US Pat. No. 10,560,231

USER DEVICE FOR COMMUNICATING DATA AND METHOD

SONY CORPORATION, Tokyo ...

16. A user device, comprising:circuitry configured to
transmit and receive data via a wireless access interface, the wireless access interface including a plurality of Orthogonal Frequency Division Multiplexing (OFDM) subcarriers, the plurality of subcarriers extending across at least a First bandwidth, signals being repeatedly transmitted to represent a same instance of user device payload data in a second bandwidth, the second bandwidth being less than and within the first bandwidth and including a subset of the OFDM subcarriers;
receive one or more of the signals repeatedly transmitted across the second bandwidth and not across subcarriers of the first bandwidth outside of the second bandwidth;
store second signals in a memory, the second signals representing the one or more of the signals received across the second bandwidth;
combine the stored second signals to generate a combined signal;
detect the user device payload data from the combined signal based on an indication of the second bandwidth when the user device indication; and
when the user device fails to detect the indication,
accumulate three consecutive subframes of the signals received across the second bandwidth; and
detect the user device payload data from the combined signal based on information included in the three consecutive subframes.

US Pat. No. 10,560,230

METHOD FOR TRANSMITTING AND RECEIVING SIGNAL BASED ON LTE AND NR IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

LG Electronics Inc., Seo...

1. A method for transmitting and receiving signal of a terminal in a wireless communication system,receiving a Physical Downlink Control CHannel (PDCCH) order on a downlink carrier; and
transmitting a random access preamble in response to the PDCCH order,
wherein the random access preamble is transmitted on a first uplink carrier determined based on information on an uplink carrier included in the PDCCH order when a predetermined condition is satisfied,
wherein the predetermined condition comprises a plurality of uplink carrier including the first uplink carrier are configured for the downlink carrier, and
wherein a cell identification (ID) of the downlink carrier and a cell ID of the plurality of uplink carrier are identical.

US Pat. No. 10,560,229

ACK/NACK SIGNALS FOR NEXT GENERATION LTE DEVICES AND SYSTEMS

Apple Inc., Cupertino, C...

1. An apparatus of user equipment (UE) comprising:processing circuitry arranged to:
decode, from an evolved NodeB (eNB) a physical downlink shared channel (PDSCH) associated with the UE and an uplink (UL) Hybrid Automatic Repeat Request Acknowledgement/Negative-acknowledgement (HARQ ACK/NACK);
determine a resource for a downlink (DL) HARQ ACK/NACK in response to the PDSCH; and
encode, for transmission to the eNB, the DL HARQ ACK/NACK; and
memory configured to store the DL HARQ ACK/NACK,
wherein the UL HARQ ACK/NACK uses a same base sequence but different cyclic shifts dependent on whether the UL HARQ ACK/NACK is a UL HARQ ACK or a UL HARQ NACK,
an ACK/NACK resource of the UL HARQ ACK/NACK is determined using a function of subband index (ISB) and spreading code index (ISF) used for the UL HARQ ACK/NACK,
a resource index for the UL HARQ ACK/NACK is a function of at least one of a cell-specific parameter, a UE-specific parameter, a parameter signaled in a DCI format, and, as used for one of the PDSCH and a physical uplink shared channel (PUSCH), at least one of: a beamforming index, a slot index, a subframe index, a frame index and a physical resource block index, and
the cell-specific parameter is configured by master information block (MIB), system information block (SIB) or dedicated RRC signaling, the UE-specific parameter is configured from one of a primary cell and a serving cell via dedicated RRC signaling, and the parameter signaled in the DCI format is one of the subband index and a Demodulation Reference Signal (DM-RS) used for the one of the PDSCH and PUSCH.

US Pat. No. 10,560,228

HYBRID AUTOMATIC REPEAT REQUEST (HARQ) IN LISTEN BEFORE TALK SYSTEMS

Cable Television Laborato...

1. A method operable with a Long Term Evolution (LTE) communications operating in a radio frequency (RF) band comprising a conflicting wireless technology, the method comprising:processing a transport block of data from a user equipment (UE) at an eNodeB, the transport block comprising a cyclic redundancy check (CRC);
determining a checksum of the transport block based on the CRC at the eNodeB;
failing the checksum;
transmitting, from the eNodeB to the UE, a non-acknowledgement (NACK) of the transport block based on the failed checksum;
in response to the UE receiving the NACK, increasing the time of a contention window from a first time window to a second time window at the UE; and
re-transmitting the transport block from the UE to the eNodeB.

US Pat. No. 10,560,227

DOWNLINK TRANSMISSION METHOD, BASE STATION, AND TERMINAL

HUAWEI TECHNOLOGIES CO., ...

1. A method, comprising:receiving, by a terminal, first data from a base station in a subframe n, where n is a natural number;
receiving, by the terminal, downlink control information from the base station in a subframe n+k, wherein k is a natural number, wherein the downlink control information comprises indication information and a hybrid automatic repeat request (HARQ) process identification, the indication information indicates a location of at least one orthogonal frequency division multiplexing (OFDM) symbol in the first data, the HARQ process identification in the downlink control information is the same as a HARQ process identification in the subframe n, the indication information is a bitmap format, each bit in the indication information corresponds to two OFDM symbols used to transmit data information, a 1 or a 0 is used to indicate whether two corresponding OFDM symbols are preempted, and the two OFDM symbols are two OFDM symbols that are in two timeslots in the subframe n and have a same sequence number;
receiving, by the terminal, second data from the base station in the subframe n+k, wherein the second data is the same as data that was allocated to be sent to the terminal on the at least one OFDM symbol in the subframe n;
discarding, by the terminal according to the indication information, third data on the at least one OFDM symbol indicated by the indication information from the first data received in the subframe n; and
after discarding the third data, performing, by the terminal, joint decoding on remaining portions of the first data and the second data.

US Pat. No. 10,560,226

DATA PACKET SYNCHRONIZATION

ZTE Corporation, Shenzhe...

1. A data packet transmission method, comprising:receiving, by a first network element, a delivery status of a data packet;
generating, by the first network element, an indication information according to the delivery status, wherein the indication information comprises a sequence number of the data packet and a list of sequence numbers for data packets to be discarded; and
sending, by the first network element, the indication information that instructs a second network element configured to transmit the data packets to a third network element to discard data packets indicated by the indication information.

US Pat. No. 10,560,225

METHOD OF OPERATING A COMMUNICATION SYSTEM IN A TIME-DIVISION MULTIPLEXING TECHNIQUE

R-3 Reliable Realtime Rad...

1. Method of operating a communication system that comprises at least four communication nodes (A, B, C, D) wherein:the communication system is operated in a time-division multiplexing technique wherein the communication is carried out in time frames (F1, F2) which are divided into slots (S1-S4),
each of the slots (S1-S4) comprises at least two sub-slots, hereinafter referred to as transmission sub-slot (TSS1-TSS4) and echo sub-slot (ESS1-ESS4),
each of the communication nodes (A, B, C, D) has its own transmission sub-slot when transmitting data signals (DS1-DS4) to other communication nodes, and transmits its data signals (DS1-DS4) in its transmission sub-slot (TSS1-TSS4) to other communication nodes,
each of the communication nodes (A, B, C, D), or a predefined subset of the communication nodes (A, B, C, D), that has received a data signal (DS1-DS4) in one of the transmission sub-slots (TSS1-TSS4), analyzes the data signal (DS1-DS4) regarding a correct reception, and
in case of a correct reception, each of the communication nodes (A, B, C, D), or said predefined subset of the communication nodes (A, B, C, D), determines whether the received data signal (DS1-DS4) is directed to itself or another communication node (A, B, C, D) of the communication system and—when the received data signal (DS1-DS4) is directed to another communication node (A, B, C, D)—generates and transmits a corresponding echo signal (E(DS1)-E(DS4)) in the echo sub-slot (ESS1-ESS4) that is assigned to the same slot, and otherwise processes the received data signal (DS1-DS4),
wherein the received data signal (DS1-DS4) and the corresponding echo signal (E(DS1)-E(DS4)) are identical, or differ at most in an identifier, preferably composed of a single bit or a single bit sequence, that identifies each signal as either a data signal (DS1-DS4) or an echo signal (E(DS1)-E(DS4)).

US Pat. No. 10,560,224

TRANSMISSION METHOD USING PARITY PACKETS, TRANSMITTER AND REPEATER

PANASONIC INTELLECTUAL PR...

1. A transmission method, executed by a transmitting apparatus, for multicasting or broadcasting a content to receivers, the transmission method comprising:generating data packets and parity packets by performing a Forward Error Correction coding on data of the content, the data of the content being non-real time data, the data packets including the data of the content, the parity packets including parity data used for repairing the data of the content, separated time intervals including a first time interval and a second time interval being provided for transmitting the content;
transmitting the data packets and the parity packets during the first time interval; and
transmitting the data packets and the parity packets during the second time interval.

US Pat. No. 10,560,223

METHOD AND APPARATUS FOR IMPLEMENTING SPACE TIME PROCESSING WITH UNEQUAL MODULATION AND CODING SCHEMES

INTERDIGITAL TECHNOLOGY C...

1. A method for implementing spatial data processing, the method comprising:selecting a first modulation and coding scheme, MCS, and a second MCS, wherein the selected first MCS comprises a first modulation scheme, and the selected second MCS comprises a second modulation scheme, and wherein the selected second modulation scheme is of higher order than the selected first modulation scheme;
parsing encoded input data to generate a first spatial stream and a second spatial stream;
mapping the encoded first spatial stream using the selected first modulation scheme associated with the selected first MCS;
mapping the encoded second spatial stream using the selected second modulation scheme associated with the selected second MCS;
performing space time block coding, STBC, on the mapped first spatial stream to generate a first space-time stream, a second space-time stream; and
performing STBC on the mapped second spatial stream to generate a third space-time stream and a fourth space-time stream, mapping the first space-time stream, the second space-time stream, the third space-time stream, and the fourth space-time stream to a plurality of antennas for transmission.

US Pat. No. 10,560,222

METHODS AND DEVICES FOR SUB-BLOCK DECODING DATA SIGNALS

INSTITUT MINES-TELECOM, ...

1. A decoder for decoding a signal received through a transmission channel in a communication system, said signal comprising a vector of information symbols, said transmission channel being represented by an upper triangular matrix, wherein the decoder comprises:a processing unit configured to determine a set of division parameters depending on at least one division metric derived from components of said upper triangular matrix;
a decoding unit configured to divide said upper triangular matrix into two or more sub-matrices using said set of division parameters in accordance with a division of said vector of information symbols into two or more sub-vectors, and to determine at least one estimate of each sub-vector of information symbols by applying a symbol estimation algorithm,wherein the decoder is configured to determine at least one estimate of said vector of information symbols from the estimates of said sub-vectors of information symbols.

US Pat. No. 10,560,221

APPARATUS AND METHODS FOR TRAINING-BASED CHANNEL CODE DESIGN

HUAWEI TECHNOLOGIES CO., ...

1. An apparatus comprising:an encoder to encode input bits at input bit positions onto sub-channels that are provided by a code, each of the sub-channels having an associated reliability of correct decoding of an input bit at an input bit position;
a transmitter, coupled to the encoder, to transmit codewords generated by the encoder; and
a receiver, coupled to the encoder, to receive from a decoder of a codeword that was transmitted by the transmitter, an indication that is based on the reliabilities of the sub-channels, the input bits from which the codeword was generated being known to the decoder for determining the reliabilities of the sub-channels.

US Pat. No. 10,560,220

SYSTEMS AND METHODS FOR MITIGATING DECODING ERRORS DUE TO PUNCTURING OF SYMBOLS

QUALCOMM Incorporated, S...

1. A method of wireless communication at a scheduling entity in a wireless communication network, the method comprising:identifying a plurality of transmission options, each comprising a respective number of resource blocks and a respective modulation and coding scheme (MCS);
identifying respective puncturing patterns associated with each of the plurality of transmission options for at least two consecutive subframes, each comprising a same transmission direction;
scheduling different narrowbands for communication between the scheduling entity and a user equipment (UE) in the at least two consecutive subframes;
selecting a selected transmission option of the plurality of transmission options for communication of a first codeword between the scheduling entity and the UE in a given subframe of the at least two consecutive subframes; and
selecting a selected puncturing pattern of the respective puncturing patterns associated with the selected transmission option to be applied in the given subframe based on the different narrowbands scheduled in the at least two consecutive subframes that enables decoding of the first codeword.

US Pat. No. 10,560,219

RADIO NODE, WIRELESS DEVICE AND METHODS THEREIN, FOR CONFIGURING A PLURALITY OF CHANNEL QUALITY INFORMATION VALUES

Telefonaktiebolaget LM Er...

1. A method performed by a radio node in a wireless communication network, the method comprising:receiving, from a wireless device, a first indication of whether, for the reception of downlink data, the wireless device is operating in a normal coverage mode or an enhanced coverage mode;
based on the first indication, determining a number of transmission repetitions needed for the wireless device to reliably receive a block of downlink data;
based on the determined number of repetitions, selecting a first set of channel quality information (CQI) values associated with a respective first set of modulation and coding schemes (MCS), wherein the first MCS set is a subset of all MCS usable to transmit downlink data; and
configuring the wireless device to report CQI according the selected first set of CQI values.

US Pat. No. 10,560,218

APPARATUS AND METHODS FOR DECODING ASSISTANT BIT-BASED POLAR CODE CONSTRUCTION

HUAWEI TECHNOLOGIES CO., ...

12. A method for encoding and transmitting input bits comprising:selecting, from each of a first plurality of non-adjacent segments that each comprise a subset of adjacent sub-channels with associated reliabilities, an assistant sub-channel to carry a decoding assistant bit in the input bits that are to be encoded;
encoding the input bits to generate a codeword; and
transmitting the codeword.

US Pat. No. 10,560,216

METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN COMMUNICATION SYSTEM

Samsung Electronics Co., ...

1. A method for transmitting a signal by a transmission terminal in a communication system using a low density parity check (LDPC) code, the method comprising:receiving, from a reception terminal, a change request for changing a coding rate of the LDPC code;
determining a first coding rate based on the change request;
transmitting, to the reception terminal, the first coding rate in response to the change request;
identifying a degree of a variable node of a parity check matrix corresponding to information bits included in a codeword packet encoded in response to the first coding rate based on a degree threshold; and
storing the information bits, that correspond to a first variable node including a higher degree than a first degree of the degree threshold, in a first partial area including a higher transmission priority than a transmission priority of a second partial area for storing the information bits corresponding to a second variable node including a lower degree than the first degree of the degree threshold among partial areas of a circular buffer,
wherein the change request for changing the coding rate comprises at least one of information indicating a second coding rate determined by the reception terminal, or information indicating a state of the reception terminal.

US Pat. No. 10,560,215

QUALITY CONTROL SERVICE USING INPUT QUALITY METRICS

Amazon Technologies, Inc....

1. A system, comprising:one or more processors; and
memory that stores computer-executable instructions that, as a result of execution, cause the system to:
store quality information associated with a plurality of transcoded multimedia segments generated by a plurality of transcoders, wherein the quality information comprises an indication that a transcoding error occurred as part of generating a transcoded multimedia segment of the plurality of transcoded multimedia segments;
detect satisfaction of a condition based at least in part on the quality information;
obtain quality information for at least a subset of the plurality of transcoded multimedia segments, wherein the subset includes quality information in common; and
identify, based at least on the common quality information, a transcoder from the plurality of transcoders as being the source of the transcoding error associated with the common quality information.

US Pat. No. 10,560,214

DOWNLINK AND UPLINK COMMUNICATION PATH SWITCHING IN A TIME-DIVISION DUPLEX (TDD) DISTRIBUTED ANTENNA SYSTEM (DAS)

Corning Optical Communica...

1. A distributed antenna system (DAS) configured to support time-division duplex (TDD) communication, the DAS comprising:a central unit communicatively coupled to a plurality of remote units over at least one communications medium to communicate a TDD communication signal in a plurality of downlink (DL) periods and a plurality of uplink (UL) periods configured according to a predefined TDD configuration of a predetermined TDD communications protocol;
the central unit comprises at least one communication circuit configured to:
transmit the TDD communication signal in a DL communication path of the central unit to the plurality of remote units in response to a DL period indicator indicating a DL period among the plurality of DL periods; and
receive the TDD communication signal in a UL communication path of the central unit from the plurality of remote units in response to a UL period indicator indicating a UL period among the plurality of UL periods; and
a communication control circuit configured to:
retrieve information preprogrammed in the communication control circuit and indicative of the predefined TDD configuration;
determine a plurality of DL switching times respectively for the plurality of DL periods and a plurality of UL switching times respectively for the plurality of UL periods based on the predefined TDD configuration;
detect a respective start time of at least one DL period among the plurality of DL periods by sensing that a power level associated with the TDD communication signal increases above a predetermined DL signal power threshold;
synchronize at least one DL switching time among the plurality of DL switching times with the respective start time of the at least one DL period;
generate the DL period indicator to indicate the DL period among the plurality of DL periods at each of the plurality of DL switching times; and
generate the UL period indicator to indicate the UL period among the plurality of UL periods at each of the plurality of UL switching times.

US Pat. No. 10,560,213

OPTICAL DEVICE

FUJITSU OPTICAL COMPONENT...

1. An optical device comprising:an optical coupler that performs branching of input light and outputs first-type branched light and second-type branched light;
a polarization converter that changes direction of polarization of the second-type branched light output from the optical coupler; and
a polarization synthesizer that outputs polarization multiplexed light by synthesizing the first-type branched light, which is output from the optical coupler, and the second-type branched light, which has direction of polarization changed by the polarization converter, wherein
the polarization synthesizer has, regarding the second-type branched light included in the polarization multiplexed light, wavelength characteristic where optical power goes on decreasing as wavelength of light approaches end portion of a predetermined wavelength band assigned to the polarization multiplexed light, and
the optical coupler has wavelength characteristic that cancels out the wavelength characteristic of the polarization synthesizer regarding the second-type branched light included in the polarization multiplexed light.

US Pat. No. 10,560,212

SYSTEMS AND METHODS FOR MESH RESTORATION IN NETWORKS DUE TO INTRA-NODE FAULTS

Ciena Corporation, Hanov...

1. A method implemented in a node in a network utilizing a control plane for triggering mesh restoration due to an intra-node fault, the method comprising:monitoring at least one channel at a degree of a plurality of degrees associated with the node;
detecting a fault on the at least one channel, wherein the fault is an intra-node fault upstream of the degree; and
transmitting a channel fault indicator downstream of the fault to at least one downstream node along a path of the faulted channel, wherein restoration is triggered based on the channel fault indicator,
wherein the fault is an intra-node fault that affects degree-to-degree connectivity and comprises any of a fiber fault, a power failure on a shelf or on active components of an associated degree, and a loss of communication with a control plane processor, and
wherein the channel fault indicator includes information related to the intra-node fault to identify the intra-node fault by the control plane including an identifier of the node and direction information for the degree-to-degree connectivity.

US Pat. No. 10,560,211

CABLE ARRANGEMENT WITH WAVELENGTH DIVISION MULTIPLEXER

COMMSCOPE TECHNOLOGIES LL...

12. A cable arrangement comprising:an optical cable extending between a first end and a second end;
a first optical connector terminating the first end of the optical cable;
a second optical connector terminating the second end of the optical cable, the second end being opposite the first end, the second optical connector including a multi-fiber connector; and
a wavelength division multiplexer disposed within the second optical connector, the wavelength division multiplexer being configured to multiplex and demultiplex optical signals carried between the first optical connector and the second optical connector based on wavelengths of the optical signals.

US Pat. No. 10,560,210

WAVELENGTH CONTROL METHOD AND APPARATUS

Huawei Technologies Co., ...

1. A wavelength control method, comprising:adjusting, by a wavelength control apparatus, powers of subcarriers on a super channel to a same power, wherein the subcarriers on the super channel comprises at least a sub carrier i?1, a subcarrier i, and a subcarrier i+1, the subcarrier i?1, the subcarrier i, and the subcarrier i+1 are consecutive subcarriers, and i is a positive integer greater than 1;
when the powers of the subcarriers on the super channel are adjusted to the same power, obtaining, by the wavelength control apparatus, Q values of the subcarrier i?1 and the subcarrier i+1, wherein the Q values indicate performance of the subcarriers;
calculating, by the wavelength control apparatus, a Q value difference between the Q value of the subcarrier i+1 and the Q value of the subcarrier i?1;
calculating, by the wavelength control apparatus, a difference between the Q value difference and a pre-obtained reference value of the subcarrier i;
determining, by the wavelength control apparatus, whether an absolute value of the difference is less than a pre-obtained allowable frequency offset value; and
if the absolute value of the difference is not less than the pre-obtained allowable frequency offset value, adjusting, by the wavelength control apparatus, a center wavelength of the subcarrier i according to the difference.

US Pat. No. 10,560,209

OPTICAL SIGNAL TRANSMISSION METHOD, APPARATUS, AND SYSTEM

Huawei Technologies Co., ...

1. An optical signal transmission apparatus comprising:a short wavelength division multiplexer configured to connect to a multimode optical fiber;
a signal processor;
a first linear driver;
a second linear driver;
a first transmitter; and
a second transmitter, wherein:
the signal processor is configured to perform bit rate allocation and code pattern modulation on a received binary signal at a first bit rate, to obtain a first electrical signal to be sent to the first linear driver and a second electrical signal to be sent to the second linear driver;
the first linear driver is configured to perform linear amplification processing and offset addition processing on the first electrical signal, to obtain a third electrical signal used to drive the first transmitter;
the second linear driver is configured to perform linear amplification processing and offset addition processing on the second electrical signal, to obtain a fourth electrical signal used to drive the second transmitter;
the first transmitter is configured to convert the third electrical signal into a first optical signal and send the first optical signal to the short wavelength division multiplexer;
the second transmitter is configured to convert the fourth electrical signal into a second optical signal and send the second optical signal to the short wavelength division multiplexer;
the short wavelength division multiplexer is configured to multiplex the first optical signal and the second optical signal to the multimode optical fiber for transmission;
the received binary signal comprises a plurality of bit streams; and
a quantity of optical signals multiplexed onto the multimode optical fiber for transmission is less than a quantity of bit streams in the plurality of bit streams.

US Pat. No. 10,560,208

CELL SEARCH METHOD IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

LG ELECTRONICS INC., Seo...

1. A cell search method of a UE in a wireless communication system, the method comprising steps of:receiving a narrow band synchronization signal (NBSS) through a narrow band (NB) from an evolved-NodeB (eNB);
acquiring, based on the NBSS, time synchronization and frequency synchronization with the eNB and detecting an identifier of an eNB,
wherein the NB includes a system bandwidth of 180 kHz and 12 carriers spaced with 15 kHz,
wherein the NBSS comprises a narrow band primary synchronization signal (NBPSS) and a narrow band secondary synchronization signal (NBSSS),
wherein the NBPSS is transmitted in a sixth subframe of a radio frame,
wherein the NBSSS is transmitted in a tenth subframe of a radio frame,
wherein the NBSS is not transmitted in at least one symbol in which a reference signal (RS) is transmitted among symbols of the sixth subframe and tenth subframe, and
wherein the NBSS is transmitted through 11 orthogonal frequency-division multiple access (OFDMA) symbols.

US Pat. No. 10,560,207

SYSTEM AND METHOD FOR PROVIDING TARGETED SECONDARY CONTENT DELIVERY

NAFFA INNOVATIONS PRIVATE...

1. A method for providing targeted secondary content delivery to a user, the method comprising the following steps:storing in a repository, a primary content to be broadcast to a user terminal accessible to the user;
transferring the primary content stored in the repository to an application server, and implementing a Fast Fourier Transform (FFT) algorithm on the primary content, and converting the primary content into a first frequency domain representation;
identifying, using the application server, a plurality of energy spectral density points from the first frequency domain representation, and storing the energy spectral density points in the repository;
identifying, using the application server, a first energy spectral density point having highest spectral density amongst the plurality of energy spectral density points incorporated into the first frequency domain representation, and determining a first frequency component corresponding to the first energy spectral density point, and a first timestamp indicative of a time at which the primary content characterized by the first frequency component would he broadcasted onto the user terminal;
generating, at the application server, a primary hash key representing the first frequency component and the first timestamp, and linking the primary hash key with the primary content stored in the repository;
storing in the repository, a secondary content predetermined to be relevant to the primary content, and linking the secondary content to the primary content and the primary hash key;
broadcasting the primary content onto the user terminal, and triggering a pre-configured handheld device in proximity to the user terminal and accessible to the user, to capture tonalities corresponding to the primary content played back on the user terminal at least during the time denoted by the first timestamp;
analyzing, at the application server, the tonalities captured by the handheld device, and converting captured tonalities into a second frequency domain representation, the second frequency domain representation incorporating a plurality of energy spectral density points corresponding to the captured tonalities;
identifying from the second frequency domain representation, a second energy spectral density point having highest spectral density amongst the plurality of energy spectral density points corresponding to the captured tonalities;
determining a second frequency component corresponding to the second energy spectral density point, and determining a second timestamp indicative of a time at which the captured tonalities characterized by the second frequency component were played back on the user terminal;
generating a secondary hash key by combining the second frequency component and the second timestamp;
comparing the secondary hash key with the primary hash key, and determining whether the secondary hash key is similar to the primary hash key;
transmitting the secondary content linked to the primary hash key, onto the handheld device, only in an event that the secondary hash key is determined to be similar to the primary hash key, and prompting the user to respond to the secondary content via the handheld device.

US Pat. No. 10,560,206

PROCESSING A BEAMFORMED RADIO FREQUENCY (RF) SIGNAL

VIAVI Solutions Inc., Sa...

1. A method, comprising:receiving, by a device, a beamformed wireless signal from a base station;
performing, by the device, a frequency conversion of the beamformed wireless signal to form a frequency converted signal after receiving the beamformed wireless signal;
determining, by the device and after performing the frequency conversion, a cell identifier of a cell associated with the frequency converted signal;
performing, by the device and after determining the cell identifier, processing related to at least one of:
analyzing the frequency converted signal,
scanning a channel associated with the frequency converted signal, or
generating a map related to the frequency converted signal;
determining, by the device and after performing the frequency conversion, a beam profile for the frequency converted signal; and
generating, by the device, based on the beam profile, and after performing the processing, output related to at least one of:
the analyzing the frequency converted signal,
the scanning the channel, or
the generating the map.

US Pat. No. 10,560,205

DETECTING SATELLITE RADIO RECEPTION INTERFERENCE

GM GLOBAL TECHNOLOGY OPER...

1. A method of detecting satellite radio broadcast interference at a vehicle, comprising:(a) operating an audio system installed in the vehicle using a satellite radio receiver as a selected audio source, wherein the audio system includes the satellite radio receiver and is installed in the vehicle as a portion of vehicle electronics that are used to carry out vehicle functions including operation of the vehicle to move along roads;
(b) receiving a satellite radio broadcast at the vehicle via the satellite radio receiver while the vehicle is moving along a roadway;
(c) audibly presenting the satellite radio broadcast in the vehicle via the audio system as the satellite radio broadcast is received by the satellite radio receiver;
(d) detecting an interference with the satellite radio broadcast caused by cellular communication transmissions, wherein the interference interrupts or degrades the audible presentation of the satellite radio broadcast in the vehicle;
(e) in response to step (d), carrying out the following steps (f) and (g):
(f) obtaining location information at the vehicle using a global positioning system (GPS) receiver installed onboard the vehicle as a part of the vehicle electronics, wherein the obtained location information is representative of the location at which the interference occurred; and
(g) wirelessly transmitting a message identifying the location at which the interference occurred to a remote facility via a vehicle telematics unit that is installed in the vehicle as a part of the vehicle electronics;
wherein the audio system, GPS receiver, and telematics unit are separate vehicle system modules, and wherein the audio system includes the satellite radio receiver and an audio player that is either integrated with or operably connected to the satellite radio receiver, wherein the satellite radio broadcast received by the satellite radio receiver is outputted by the satellite radio receiver as a satellite radio content stream for audible presentation during step (c) by the audio player via one or more speakers in the vehicle; and
wherein step (d) further comprises determining that the interference occurred at least in part by:
determining a bit error rate (BER) of the received satellite radio broadcast and determining that the interference occurred at least in part based on the BER, wherein determining the BER further comprises determining that the BER of the satellite radio broadcast is above a predetermined threshold for longer than a determined time, and wherein the predetermined threshold is at least 5% and the determined time is no longer than 10 seconds.

US Pat. No. 10,560,204

5G FIXED WIRELESS ACCESS DEVICE SELF-INSTALLATION

Verizon Patent And Licens...

1. A method comprising:activating, by a fixed wireless access device, a Fifth Generation (5G) scanning mode;
scanning, by the fixed wireless access device, for 5G wireless signals associated with a provider that is also associated with the fixed wireless access device;
detecting, by the fixed wireless access device, a 5G wireless signal associated with the provider;
determining, by the fixed wireless access device, a signal strength for the detected 5G wireless signal; and
generating, by the fixed wireless access device, an indication of the determined signal strength to be displayed on a user interface associated with the fixed wireless access device.

US Pat. No. 10,560,203

MEASUREMENT SYSTEM AND METHOD FOR SPURIOUS FREQUENCY DETERMINATION

1. A measurement system comprising:a device under test (DUT);
an antenna; and
a measuring device connected to the antenna; and
wherein the measuring device is configured to scan for spurious emissions of the DUT for at least one frequency,
wherein the measuring device is further configured to determine at least one spurious frequency,
wherein the measuring device is further configured to vary respective frequency differences with respect to the at least one frequency,
wherein the measuring device is further configured to perform a measurement at each of the at least one spurious frequency, and
wherein the measuring device is further configured to detect a frequency drift in the form of a parasitic frequency.

US Pat. No. 10,560,202

REDUCING IMPEDANCE DISCONTINUITIES ON A SHARED MEDIUM

SKYWORKS SOLUTIONS, INC.,...

1. A transmitter system having an output configured to match an impedance of a shared communications medium, comprising:a transmission amplifier configured to be coupled to the output and provide a transmission signal to the output in a first mode of operation, the transmission amplifier being configured to present a first output impedance substantially matching the impedance of the shared communications medium;
a load path configured to be coupled to the output in a second mode of operation and present a second output impedance substantially matching the impedance of the shared communications medium;
switching circuitry configured to selectively couple one of the transmission amplifier and the load path to the output; and
a controller configured to control the switching circuitry to operate the transmitter system in the first mode of operation, receive an indication that the transmission amplifier is to transition from a first gain state to a second gain state different than the first gain state, and in response to receiving the indication, control the switching circuitry to operate the transmitter system in the second mode of operation, enable the transmission amplifier to operate in the second gain state, and control the switching circuitry to return the transmitter system to the first mode of operation.

US Pat. No. 10,560,201

METHODS AND APPARATUS FOR INDUCING A FUNDAMENTAL WAVE MODE ON A TRANSMISSION MEDIUM

1. A method, comprising:arranging, by a first system including a processor, a plurality of transmitters having different azimuthal positions around a transmission medium; and
selecting, by the first system, at least two transmitters of the plurality of transmitters to generate instances of an electromagnetic wave, wherein the instances combine to form a combined electromagnetic wave having a fundamental wave mode, wherein a non-fundamental wave mode is at least substantially absent from the combined electromagnetic wave, and wherein the combined electromagnetic wave propagates along the transmission medium without requiring an electrical return path.

US Pat. No. 10,560,200

OPTICAL MODULE FOR DYNAMICALLY ADJUSTING OPTICAL POWER RECEIVING RANGE

Huawei Technologies Co., ...

1. An optical module for dynamically adjusting an optical power receiving range, wherein the optical module comprises an optical signal receive end, a transconductance amplifier, and an avalanche photodiode, and wherein the optical module further comprises a main control chip, an optical power detection module, and a variable feedback resistor circuit;wherein the optical signal receive end is connected to a negative electrode of the avalanche photodiode, wherein a positive electrode of the avalanche photodiode is separately connected to a first end of the optical power detection module and a negative input end of the transconductance amplifier, and wherein a positive input end of the transconductance amplifier is grounded;
wherein the variable feedback resistor circuit is connected between the negative input end and an output end that are of the transconductance amplifier, wherein a first end of the main control chip is connected to the variable feedback resistor circuit, and wherein a second end of the main control chip is connected to a second end of the optical power detection module;
wherein the optical signal receive end is configured to:
receive an optical signal; and
transmit the optical signal to the avalanche photodiode;
wherein the avalanche photodiode is configured to:
convert the received optical signal into an optical current; and
transmit the optical current to the optical power detection module and the transconductance amplifier;
wherein the optical power detection module is configured to:
obtain, according to the received optical current, an optical power value corresponding to the optical current; and
transmit the optical power value to the main control chip;
wherein the main control chip is configured to adjust a resistance value of the variable feedback resistor circuit according to the received optical power value; and
wherein the transconductance amplifier is configured to output a voltage according to the resistance value of the variable feedback resistor circuit and the optical current.

US Pat. No. 10,560,199

SIGNAL PROCESSING CIRCUIT AND OPTICAL RECEIVING DEVICE

FUJITSU LIMITED, Kawasak...

1. A signal processing circuit comprising:a processor configured to adjust phases of reception samples which is supplied at a supply interval, according to a phase adjustment amount; and
a processing circuit including a finite impulse response (FIR) filter with a plurality of taps and configured to process, by the FIR filter, each of the reception samples whose phases is adjusted by the processor and output output symbols at an output interval different from the supply interval,
the processor is further configured to:
derive initial values of tap coefficients for the respective taps; and
derive the phase adjustment amount such that a center of centroids of the tap coefficients at respective output time points of the output symbols coincides with a center of a number of taps of the FIR filter, the tap coefficients at respective output time points of the output symbols being set according to a deviation between the supply interval and the output interval and the initial values of the tap coefficients.

US Pat. No. 10,560,198

RX DELAY LINE INTEFEROMETER TRACKING IN CLOSED-LOOP MODULE CONTROL FOR COMMUNICATION

INPHI CORPORATION, Santa...

1. A communication system with signal tracking, the communication system comprising:a communication link;
a first transceiver comprising a first control module and a first receiver;
a second transceiver comprising a second control module and a second transmitter, the second transceiver being configured, via the communication link, to send an optical signal to the first transceiver and receive back-channel data from the first transceiver;
wherein:
the first receiver is configured to receive the optical signal and convert the optical signal to an electrical signal;
the first control module is configured to calculate a bit-error-rate (BER) based on the electrical signal, to execute a first iterated operation of optimizing the first receiver;
the second transmitter is configured to generate the optical signal and transmit to the first receiver;
the second control module is configured to execute a second iterated operation of optimizing wavelength of the optical signal, the second iterated operation being alternate in time with the first iterated operation controlled by a back-channel data transmitted from the first transceiver to the second transceiver;
the first control module is configured to couple with at least a delay line interferometer (DLI) in the first receiver and to execute the first iterated operation using the BER as a control parameter in response of dithering and adjusting a set point of the DLI.

US Pat. No. 10,560,197

METHOD AND SYSTEM FOR OPTOELECTRONIC RECEIVERS UTILIZING WAVEGUIDE HETEROJUNCTION PHOTOTRANSISTORS INTEGRATED IN A CMOS SOI WAFER

Luxtera, Inc., Carlsbad,...

1. A method for processing signals, the method comprising:in a complementary metal-oxide semiconductor (CMOS) chip:
receiving one or more optical signals via a top surface of said CMOS chip;
generating one or more electrical signals in said CMOS chip utilizing one or more germanium waveguide heterojunction phototransistors by demodulating said received one or more optical signals utilizing a mixer signal applied to a base terminal of said one or more germanium waveguide heterojunction phototransistors.

US Pat. No. 10,560,196

APPARATUS AND METHOD FOR ADJUSTING MODULATION INDEX OF ANALOG OPTICAL SIGNAL USING INTERFERENCE PHENOMENON OF COHERENT LIGHT

ELECTRONICS AND TELECOMMU...

1. A method of controlling a modulation index of an analog optical signal, the method comprising:dividing an analog optical signal into a first analog optical signal for a first path and a second analog optical signal for a second path, the analog optical signal including an optical carrier and a signal including information;
extracting the optical carrier from the first analog optical signal for the first path;
controlling an intensity and a phase of the optical carrier; and
controlling a modulation index of the analog optical signal by combining the second analog optical signal for the second path and the optical carrier having the controlled intensity and phase.

US Pat. No. 10,560,195

BIAS CONTROL APPARATUS AND METHOD OF MODULATOR OF OPTICAL TRANSMITTER AND OPTICAL TRANSMITTER

FUJITSU LIMITED, Kawasak...

1. A bias control apparatus of a modulator of an optical transmitter, the modulator of the optical transmitter including a first Mach-Zehnder modulator and a second Mach-Zehnder modulator, the bias control apparatus comprising:a processor configured to perform mutual interference on a first driving signal of the first Mach-Zehnder modulator and a second driving signal of the second Mach-Zehnder modulator, and correlate output optical fields of the first Mach-Zehnder modulator and the second Mach-Zehnder modulator; and
a controller configured to control a phase bias of the modulator of the optical transmitter according to an output power signal of the modulator of the optical transmitter containing phase bias information,
wherein the processor is configured to:
perform mutual interference by adding information on the second driving signal to the first driving signal via a loading signal and by adding information on the first driving signal to the second driving signal via the loading signal,
execute a first multiplication to multiply the loading signal by the information on the second driving signal,
add results of the first multiplication executed and the first driving signal to obtain a first mutual interference performed driving signal,
multiply the loading signal by the information on the first driving signal, and
execute a second addition to add results of a second multiplication executed and the second driving signal to obtain a second mutual interference performed driving signal.

US Pat. No. 10,560,194

MINIMIZING POLARIZATION-DEPENDENT OPTICAL POWER FOR PM-M-QAM TRANSMITTERS

Juniper Networks, Inc., ...

1. A system, comprising:one or more devices to:
control a bias point of a tributary modulator of a plurality of tributary modulators;
control a phase relationship between two optical signals,
each optical signal, of the two optical signals, being generated by one of the plurality of tributary modulators;
control a voltage swing of an electrical signal received by the tributary modulator; and
set a reverse bias of the tributary modulator to control a power level of one or more optical signals of the plurality of tributary modulators,
setting the reverse bias being based on at least one of:
a wavelength of an optical signal generated by the tributary modulator,
a polarization orientation of the optical signal generated by the tributary modulator, or
a length of a waveguide via which the optical signal, generated by the tributary modulator, is to be transmitted.

US Pat. No. 10,560,193

DSM-PSK OPTICAL WIRELESS TRANSMISSION METHOD AND DEVICE

KOOKMIN UNIVERSITY INDUST...

1. A hybrid DSM-PSK optical wireless transmitting method comprising:generating, by a first modulator, a first dimming signal of a first frequency periodically repeating binary value 0s and 1s;
receiving, by the first modulator, an input of a first binary data signal;
outputting, by the first modulator, a second dimming signal, which is a binary data signal, having a frequency the same as that of the first dimming signal, a phase the same as that of the first dimming signal when the first binary data signal is a binary value 0, and a phase opposite to that of the first dimming signal when the first binary data signal is a binary value 1;
changing, by a DSM-PSK optical wireless transmitting device, brightness of a first light source panel according to the first dimming signal; and
changing, by the DSM-PSK optical wireless transmitting device, brightness of a second light source panel according to the second dimming signal, wherein
each of changing brightness of a first light source panel and changing brightness of a second light source panel includes:
receiving, by a second modulator, an input of the first or second dimming signal;
generating, by the second modulator, a signal d having a value d0 when the inputted dimming signal is a binary value 0 and having a value d1 when the inputted dimming signal is a binary value 1, wherein d0 and d1 are different integers from 1 to M?1, and M is an integer equal to or greater than 3;
receiving, by the second modulator, an input of a second binary data signal;
converting, by the second modulator, the second binary data signal into a global phase shift signal having an integer value from 0 to M?1;
creating, by the second modulator, a reference signal group including M ordered pulse wave signals having the same frequency of the second frequency, the same duty ratio of d/M and different phases, wherein the phase is p*2?/M, and p is an integer from 0 to M?1;
creating, by the second modulator, a data signal group including M ordered pulse wave signals by phase-shifting the reference signal group according to the global phase shift signal;
turning on and off, by a transmitter, each of light sources of the reference light source group including M ordered light sources in a light source panel corresponding to the inputted dimming signal, according to each pulse wave signal of the reference signal group; and
turning on and off, by the transmitter, each of light sources of the data light source group including M ordered light sources in a light source panel corresponding to the inputted dimming signal, according to each pulse wave signal of the data signal group.

US Pat. No. 10,560,192

TECHNIQUE FOR FOCUSING WAVES ON MOVING OBJECTS

The Government of the Uni...

1. A method for transmitting wave-based signals towards a target, the method comprising:(a) transmitting a probe signal from each of a plurality of transceivers towards the target;
(b) receiving, at each transceiver, an associated backscatter signal corresponding to reflection of the probe signals from the target;
(c) determining, for each transceiver, a corresponding Doppler frequency shift for the associated backscatter signal;
(d) determining, for each transceiver, a corresponding time delay for the associated backscatter signal;
(e) modifying each associated backscatter signal based on the corresponding Doppler frequency shift and the corresponding time delay to generate an associated motion-compensated backscatter signal;
(f) applying time reversal (TR) processing to each associated motion-compensated backscatter signal to generate an associated TR signal; and
(g) transmitting, from each transceiver, an associated transmission signal based the associated TR signal towards the target, wherein step (e) comprises:
(e1) converting each backscatter signal from a time domain to a frequency domain;
(e2) modifying each backscatter signal in the frequency domain based on the corresponding Doppler frequency shift and the corresponding time delay to generate a modified backscatter signal in the frequency domain; and
(e3) converting each modified backscatter signal from the frequency domain to the time domain.

US Pat. No. 10,560,191

NODE DEVICE, REPEATER AND METHODS FOR USE THEREWITH

1. A node device comprising:an interface configured to receive first signals via an antenna; and
a plurality of coupling devices configured to launch the first signals on a dielectric transmission medium, as a plurality of first guided electromagnetic waves at a corresponding plurality of non-optical carrier frequencies, the plurality of first guided electromagnetic waves propagating, without requiring an electrical return path, to another node device in a same longitudinal direction along the dielectric transmission medium, the plurality of first guided electromagnetic waves including one or more first guided electromagnetic waves conveying a first command to the another node device to pass the one or more of the plurality of first guided electromagnetic waves without repeating the one or more of the plurality of first guided electromagnetic waves and the plurality of first guided electromagnetic waves further including one or more other first guided electromagnetic waves conveying a second command to the another node device to repeat the one or more other first guided electromagnetic waves, wherein the plurality of first guided electromagnetic waves is guided by the dielectric transmission medium.

US Pat. No. 10,560,190

ADAPTING TO DIFFERING OPTICAL LINE TERMINATION CHARACTERISTICS

4. A method for adapting to differing optical receiver characteristics, the method comprising:receiving, at a first apparatus, a first physical-layer management message from a second apparatus over an optical communication link;
retrieving first information related to a configuration of the first apparatus from a first storage location;
extracting second information from the first physical-layer management message;
determining that the first information is different than the second information; and
in response to said determination that the first information is different than the second information:
replacing the first information in the first storage location with the second information;
obtaining optical transmitter configuration data based on the second information; and
changing a configuration for an optical transmitter of the first apparatus using the optical transmitter configuration data to change one or more settings for a transmit laser in the first apparatus to change a crossing-point of an optical transmission eye diagram by the first apparatus.

US Pat. No. 10,560,189

OPTICAL NETWORK AND OPTICAL NETWORK ELEMENT

1. A system for an optical communication network, comprising:a plurality of optical network elements, wherein at least one of the plurality of optical network elements is a first optical network element comprising:
a multimode multiplexer,
a multimode amplifier,
a multimode demultiplexer,
wherein the multimode multiplexer communicatively connects a first plurality of optical single mode transmission fibers to the multimode amplifier, and
wherein each one of the first plurality of optical single mode transmission fibers extends within the optical communication network to the first optical network element to communicate to the first optical network element an optical signal another optical network element of the plurality of optical network elements is adapted to communicate, and
wherein the multimode demultiplexer communicatively connects the multimode amplifier to a second plurality of optical single mode transmission fibers, and
wherein each one of the second plurality of optical single mode transmission fibers extends within the optical communication network from the first optical network element to communicate away from the first optical network element, towards another optical network element of the plurality of optical network elements, an optical signal the first optical network element is adapted to communicate.

US Pat. No. 10,560,188

IMAGE SENSOR COMMUNICATION SYSTEM AND COMMUNICATION METHOD USING ROLLING SHUTTER MODULATION

KOOKMIN UNIVERSITY INDUST...

1. An operation method performed in a transmitting device including a processor and light emitting diodes (LEDs) in an optical camera communication (OCC) system, the operation method comprising:generating, by the processor, super-frames #0 to #n; and
transmitting, by the processor, the super-frames #0 to #n to a receiving device by controlling ON/OFF of the LEDs according to data sequences included in the super-frames #0 to #n,
wherein the n is an integer greater than or equal to 1,
each of the super-frames #0 to #n includes a plurality of subframes,
each of the plurality of subframes includes a start frame, a front asynchronous bit, a data packet, and a rear asynchronous bit,
the plurality of subframes, which belong to same super-frame among the super-frames #0 to #n, include same data packet,
a front asynchronous bit #m, included in a super-frame #m among the super-frames #0 to #n, is identical to a rear asynchronous bit #m included in the super-frame #m, and
the m is one among 0 to n,
the front asynchronous bits and the rear asynchronous bits included in the same super-frame are used for distinguishing the data packet, and
the front asynchronous bits and the rear asynchronous bits inserted in the plurality of subframes belonging to the same super-frame are identical.

US Pat. No. 10,560,187

VISIBLE LIGHT COMMUNICATIONS NETWORK WAVELENGTH FILTER FOR SECURITY AT TRANSPARENT STRUCTURES

CISCO TECHNOLOGY, INC., ...

10. A system comprising:an access point comprising a light module transmitting data at a specified wavelength in a visible light communications network;
a glass window located in a room with an endpoint communicatively coupled to the access point via the visible light communications network; and
a filter preventing visible light at the specified wavelength of operation of the light module in the visible light communications network from passing through the glass window;
wherein the filter provides security in the visible light communications network while allowing at least some visible light to pass into the room through the glass window and wherein the data is transmitted and received at different wavelengths and the filter is configured to block visible light at both of said wavelengths; and
wherein the filter comprises two overlays, each of said overlays configured to block signals at one of said different wavelengths.

US Pat. No. 10,560,186

OPTICAL POWER EQUILIBRIUM METHOD AND APPARATUS

HUAWEI TECHNOLOGIES CO., ...

1. An optical power equilibrium method, wherein the method is applicable to an optical cross device that is based on a liquid crystal on silicon (LCOS), and after a wavelength division multiplexing (WDM) signal emitted from an input port passes through an optical cross component, wavelength signals in the WDM signal are incident to different locations in the LCOS, wherein the method comprises:configuring the LCOS as a blazed grating pattern whose phase periodically changes, wherein each period comprises three grating segments, and a pixel quantity in each period does not change, wherein a second grating segment is located between a first grating segment and a third grating segment, and the second grating segment has only one phase variation rate at a same moment, and does not have a phase variation rate the same as both phase variation rates of the first grating segment and the third grating segment;
monitoring power of the wavelength signals in the WDM signal, wherein the WDM signal comprises a first wavelength signal; and
reducing a phase modulation depth and a pixel quantity of the second grating segment in each period at a first location if power of the first wavelength signal is greater than preset target power, so that the power of the first wavelength signal is the same as the target power, wherein the first location is a location at which the first wavelength signal is incident to the LCOS.

US Pat. No. 10,560,185

OPTICAL LINE CARD WITH OPTICAL SIGNAL POWER MONITOR

OYSTER OPTICS LLC, Resto...

1. An optical line card, comprising:a printed circuit board; and
a plurality of components affixed to the printed circuit board, wherein the plurality of components include:
an optical connector configured to receive a downstream termination point of an optical fiber;
a splitter coupled to the optical connector and configured to split an incoming optical signal, received from the optical connector, into a first optical signal and a second optical signal;
an optical receiver configured to receive the first optical signal and obtain received data encoded in the incoming optical signal;
an optical signal power circuit configured to:
monitor a power of the incoming optical signal based on a power of the second optical signal; and
generate a monitor signal based on the power of the second optical signal and one or more power criteria.

US Pat. No. 10,560,184

OPTICAL SWITCHING SYSTEM FOR OPTICAL LINE PROTECTION IN SINGLE FIBER TRANSMISSION

Infinera Corporation, Su...

1. An optical switching system, comprising:one or more upstream optical signal detector between a first node and a second node configured to detect upstream optical signals from the second node and to activate the switching of data traffic from a working path, that carries bidirectional data traffic between the first node and the second node in an optical transmission system when there is no failure in the working path, to a protecting path that carries the bidirectional data traffic between the first node and the second node when there is a failure in the working path, when the upstream optical signals from the second node are indicative of a failure in the working path by being one or more of (1) below a predetermined level of power and (2) not detected; wherein the first node is configured to transmit data traffic in first optical signals with wavelengths in channels in a first band and receive the data traffic in second optical signals with wavelengths in channels in a second band, and the second node is designed to transmit the data traffic in the second optical signals with wavelengths in channels in the second band and receive the data traffic in the first optical signals with wavelengths in channels in the first band;
one or more optical filter between the second node and the upstream optical signal detector, the optical filter configured to block signals with wavelengths in channels in the first band that are reflected because of a break in the working path between the optical filter and the second node;
a first coupler that drops a portion of the upstream optical signals;
a second coupler that receives the dropped portion of the upstream optical signals;
a detector path that extends from a first output of the second optical coupler to the optical filter;
a monitor port; and
a monitor path that extends from a second output of the second coupler to the monitor port.

US Pat. No. 10,560,183

DATA TRANSPORT PRIVACY AND REDUNDANCY VIA SMALL UAVS IN COOPERATION

SPATIAL DIGITAL SYSTEMS, ...

1. A communication system comprising:a first airborne linear array configured to project a first fan beam over a first ground coverage elongated in a first direction, the first fan beam delivering a first information data associated with a first data stream; and
a second airborne linear array configured to project a second fan beam over a second ground coverage elongated in a second direction, the second fan beam delivering a second information data associated with a second data stream,
wherein the first and second ground coverages are overlapped to form a common coverage area,
wherein the first and second data streams are complementary to each other and are linear combinations of a plurality of segmented substreams,
wherein the plurality of segmented substreams is formed from an information data stream, and
wherein the first and second data streams are generated from a ground control facility.

US Pat. No. 10,560,182

AIRCRAFT COMMUNICATIONS SYSTEM FOR TRANSMITTING DATA

The Boeing Company, Chic...

1. An aircraft communications system comprising:an Internet protocol network router in an aircraft, wherein the Internet protocol network router is configured to transmit data to a group of ground stations remote to the aircraft using an aggregated Internet protocol communications link, the aggregated Internet protocol communications link comprising a plurality of Internet protocol communications links, wherein the Internet protocol network router is configured, when the aggregated Internet protocol communications link has been selected, to select one of the plurality of Internet protocol communications links according to a policy, the policy comprising a group of rules for selecting the Internet protocol communications link according to a plurality of factors, the plurality of factors including load-balancing, a type of data to be transmitted, an amount of data to be transmitted, and a ground station for which the data is directed;
an interface configured receive user input, the user input provides one of enablement and disablement of the use of the Internet protocol communications link; and
an aircraft communications addressing and reporting system network router in the aircraft, wherein the aircraft communications addressing and reporting system network router is connected to the Internet protocol network router, wherein the aircraft communications addressing and reporting system network router is configured to transmit the data from aircraft systems to the group of ground stations using at least one of an aircraft communications addressing and reporting system communications link or the Internet protocol communications link, and wherein the aircraft communications addressing and reporting system network router is configured to refrain from transmitting the data using the Internet protocol communications link when the Internet protocol communications link is disabled.

US Pat. No. 10,560,181

AERIAL VEHICLE MANAGEMENT FOR AN AERONAUTICAL COMMUNICATIONS NETWORK

AERONET GLOBAL COMMUNICAT...

1. A method of providing service coverage for the provision of data services to a target aircraft comprising:generating a data services availability map and an expected data usage profile aboard the target aircraft for each point in a flight plan of the target aircraft;
generating a metric for a level of available data services for each point in the flight plan based on the data services availability map;
comparing the metric with the expected data usage profile for each point in the flight plan; and
when the level of available data services is insufficient, configuring a pattern of communication links with one or more other aircraft and the target aircraft to achieve the expected data usage profile.

US Pat. No. 10,560,180

GROUND RADIO STATION (GRS) APPARATUS AND RADIO STATION APPARATUS INCLUDED IN UNMANNED AERIAL VEHICLE (UAV)

Electronics and Telecommu...

1. A ground radio station (GRS) apparatus comprising:a first plurality of band antennas and a second plurality of band antennas configured to transmit and receive a radio frequency (RF) signal;
a first plurality of RF and/or intermediate frequency (IF) (RF/IF) chains and a second plurality of RF/IF chains configured to perform a conversion between the RF signal and a baseband signal;
a plurality of baseband transceiving processors configured to transmit and receive the baseband signal; and
a BB-IF interface configured to map the baseband signal to the RF/IF chain supporting a channel corresponding to the baseband signal among the first plurality of RF/IF chains and the second plurality of RF/IF chains, or to map the baseband signal to the baseband transceiving processor supporting a channel corresponding to the baseband signal among the plurality of baseband transceiving processors,
wherein each of the first plurality of RF/IF chains are connected to each of the first plurality of band antennas, and each of the second plurality of RF/IF chains are connected to each of the second plurality of band antennas, and
wherein each of the first plurality of band antennas has a channel in a first frequency band, and each of the second plurality of band antennas has a channel in a second frequency band.

US Pat. No. 10,560,179

ACTIVE REPEATER DEVICE FOR OPERATIONAL MODE BASED BEAM PATTERN CHANGES FOR COMMUNICATION WITH A PLURALITY OF USER EQUIPMENT

MOVANDI CORPORATION, New...

1. An active repeater device, comprising:a primary sector that includes a baseband signal processor and a first radio head (RH) unit, wherein
a first antenna array of the first RH unit is configured to receive or transmit a first beam of input RF signals having a first beam pattern from or to a base station, respectively, wherein the first beam pattern covers a first geographical area;
a controller of the baseband signal processor is configured to generate beamforming coefficients to convert the first beam pattern of the first beam of input RF signals to a second beam pattern based on a first operating mode, of a plurality of operating modes, set in the active repeater device; and
at least a secondary sector that is communicatively coupled to the primary sector and includes a second RH unit, wherein
a second antenna array of the second RH unit is configured to transmit or receive a second beam of output RF signals in the second beam pattern to or from, respectively, a plurality of user equipment (UEs) based on the generated beamforming coefficients in the first operating mode and the received first beam of input RF signals, wherein the second beam pattern is wider than the first beam pattern and covers a second geographical area greater than the first geographical area, wherein the transmission or reception of the second beam of output RF signals in the second beam pattern to the plurality of user equipment (UEs) is independent of constant tracking of locations and orientations of the plurality of UEs to save communication bandwidth.

US Pat. No. 10,560,178

MILLIMETER WAVE COMMUNICATION SYSTEM FEATURING ADJUSTABLE SUPPORT

AIRVINE SCIENTIFIC, INC.,...

1. A system, comprising:a first support;
a second support;
a first phased array antenna mounted to the first support so that the first phased array antenna faces away from the second support;
a second phased array antenna mounted to the first support so that the second phased array antenna faces toward the second support;
a third phased array antenna mounted to the second support so that the third phased array antenna faces toward the first support;
a fourth phased array antenna mounted to the second support so that the fourth phased array antenna faces away from the first support;
a first controller mounted to the first support, configured to pass data between the first phased array antenna and the second phased array antenna;
a first local wireless interface, mounted to the first support and operatively coupled to the controller, configured to wirelessly communicate at least a portion of the data to a first group of one or more local devices;
a second controller mounted to the second support, configured to pass data between the third phased array antenna and the fourth phased array antenna;
a second local wireless interface, mounted to the second support and operatively coupled to the second controller, configured to wirelessly communicate at least a portion of the data to a second group of one or more local devices; and
a pivot to allow at least one of the first support or the second support to rotate;
wherein the second phased array antenna and third phased array antenna are configured to unidirectionally communicate millimeter wave signals from the second phased array antenna to the third phased array antenna;
wherein the second phased array antenna and third phased array antenna are configured to communicate the millimeter wave signals through an obstruction that attenuates the millimeter wave signals.

US Pat. No. 10,560,177

BEAMFORMING FOR NON-COLLABORATIVE, SPACE DIVISION MULTIPLE ACCESS SYSTEMS

Apple Inc., Cupertino, C...

1. An apparatus, comprising:a plurality of base station antennas; and
a transceiver coupled to the plurality of base station antennas and configured to:
receive feedback information from a user equipment (UE) device including a plurality of antennas;
obtain a reception combining vector usable for reception at the UE device based on the feedback information, wherein individual components of the reception combining vector respectively correspond to individual ones of the plurality of antennas of the UE device;
determine a beamforming vector based on the reception combining vector;
transmit a first data signal to the UE device using the beamforming vector, wherein individual components of the beamforming vector respectively correspond to the base station antennas; and
subsequently, use the beamforming vector in receiving a second data signal from the UE device.

US Pat. No. 10,560,176

RADIO COMMUNICATION DEVICES AND METHODS FOR CONTROLLING A RADIO COMMUNICATION DEVICE

Intel Deutschland GmbH, ...

1. A user equipment device adapted to receive data on a first carrier and a second carrier, the user equipment comprising:a receiver coupled to an antenna configured to receive the data via at least one of a control channel, a data channel, or a combination thereof;
an operation mode determination circuit configured to determine whether to test and/or change an active antenna operation mode to a different antenna mode based on whether the control channel or the data channel has priority based on information of the first carrier and information of the second carrier; and
an antenna controller configured to control the antenna to operate in the determined active antenna operation mode.

US Pat. No. 10,560,175

DATA TRANSMISSION METHOD AND APPARATUS

HUAWEI TECHNOLOGIES CO., ...

1. A data transmission method, comprising:obtaining, by user equipment, to-be-sent user data;
performing, by the user equipment, channel encoding on the to-be-sent user data to obtain N sets of encoded data;
performing, by the user equipment, codebook mapping on each of the N sets of encoded data by using a codebook, to obtain N sets of codebook-mapped data, wherein different sets of encoded data use codebooks that occupy mutually different non-zero physical resource elements (REs), and N is a positive integer greater than or equal to 2; and
sending, by the user equipment, the N sets of codebook-mapped data to a base station.

US Pat. No. 10,560,174

LATENCY REDUCTION FOR WIRELESS DATA TRANSMISSION

Intel IP Corporation, Sa...

1. An apparatus of a user equipment (UE), the apparatus comprising:processing circuitry and memory, the processing circuitry to:
decode downlink control information that signals a shortened transmission time interval (xTTI) length configuration for a time division duplexing (TDD) component carrier (CC), the xTTI length configuration comprising a length in time or a length in orthogonal frequency division multiplexing (OFDM) symbols;
decode a physical downlink control channel (PDCCH) to identify scheduling timing and hybrid automatic repeat request (HARQ) timing of a physical downlink shared channel (PDSCH) and physical uplink shared channel (PUSCH) on the TDD CC based on the identified xTTI length configuration, the PDCCH scheduling a PDSCH in a single xTTI; and
encode a HARQ acknowledgement (HARQ-ACK) for transmission to an evolved NodeB (eNB) based at least on a HARQ-ACK timeline and based on the identified xTTI length configuration, the HARQ-ACK for the PDSCH being encoded for transmission in a next uplink xTTI,
wherein prior to receipt of the downlink control information signalling the xTTI length configuration, the UE was configured to use a legacy TTI length configuration, the xTTI length configuration being half the legacy TTI length configuration.

US Pat. No. 10,560,173

METHOD FOR TRANSMITTING AN RECEIVING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

LG ELECTRONICS INC., Seo...

1. A method of receiving a downlink signal, by a user equipment (UE), from a cell in which a plurality of beams are multiplexed in a wireless communication system, the method comprising:generating a quasi-orthogonal scrambling sequence used for scrambling the downlink signal; and
receiving the downlink signal through at least one beam among the multiplexed plurality of beams, using the generated quasi-orthogonal scrambling sequence,
wherein in the generation of the quasi-orthogonal scrambling sequence, the UE initializes the quasi-orthogonal scrambling sequence using a beam-specific parameter corresponding to the at least one beam for transmitting the downlink signal.

US Pat. No. 10,560,172

METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CSI IN CELLULAR COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION

Samsung Electronics Co., ...

1. A method for transmitting channel state information (CSI) by a terminal in a wireless communication system, the method comprising:identifying a number of bits of a CSI to be transmitted in a transmission time interval (TTI);
based on the number of bits of the CSI, determining whether to omit a part of the CSI from transmission;
based on determining to omit a part of the CSI, identifying a part of the CSI to be omitted from transmission according to a priority order for the CSI; and
transmitting, to a base station, the CSI without the identified part of the CSI.

US Pat. No. 10,560,171

METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING UNLICENSED BAND, AND APPARATUS FOR SUPPORTING SAME

LG ELECTRONICS INC., Seo...

1. A method for operating a User Equipment (UE) in a wireless communication system, the wireless communication system including a base station (BS) and supporting communications in an unlicensed band, the method performed by the UE and comprising:receiving, from the BS, an uplink (UL) grant for scheduling an uplink transmission in the unlicensed band,
wherein the UL grant includes downlink control information (DCI), the DCI including information for scheduling a transmission of a Physical Uplink Shared Channel (PUSCH) that includes aperiodic channel state information (CSI);
based on the UL grant, transmitting the PUSCH to the BS,
wherein the PUSCH only includes the aperiodic CSI, and is transmitted in a single subframe, based on:
a value of a Modulation and Coding Scheme (MCS) field included in the DCI,
a CSI request bit included in the DCI, and
a number of subframes to be used for the PUSCH being set to 1,
wherein the number of scheduled subframes being set to 1 is included in the DCI when the DCI corresponds to a first specific DCI format, or the number of scheduled subframes being set to 1 is preassigned when the DCI corresponds to a second specific DCI format,
wherein the first specific DCI format is DCI format 0B or 4B,
wherein the second specific DCI format is DCI format 0A or 4A, and
wherein the MCS field value is 29.

US Pat. No. 10,560,170

METHOD FOR CHANNEL INFORMATION FEEDBACK IN MULTI-ANTENNA SYSTEM, AND TERMINAL

ZTE CORPORATION, Guangdo...

1. A method for channel information feedback in a multi-antenna system, comprising:receiving, by a terminal, channel state information-reference signals (CSI-RSs) of M ports transmitted by a base station, and obtaining M-dimensional downlink channel information by estimating according to the CSI-RSs;
obtaining, by the terminal, according to the M-dimensional downlink channel information and a transformation function Fk, a kth type of channel information with Nk dimensions, wherein k is greater than or equal to 1 and is less than or equal to K, Nk is an integer greater than or equal to 1, M is an integer greater than or equal to 1, M?Nk, and K?1;
performing, by the terminal, channel information quantization on the kth type of channel information respectively by using a preset Nk-dimensional codebook, to determine a corresponding precoding matrix and precoding matrix indicator information (PMIk); and
selecting, by the terminal, s types of channel information from K types of channel information, and feeding index numbers of the selected channel information and the corresponding PMIs back to the base station, wherein s is an integer greater than or equal to 1.

US Pat. No. 10,560,169

CSI ACQUISITION WITH CHANNEL RECIPROCITY IN MOBILE COMMUNICATIONS

MEDIATEK INC., Hsinchu (...

1. A method, comprising:dividing, by a processor of a user equipment (UE), a plurality of antenna ports at the UE into a first group and a second group;
transmitting, by the processor, to a base station a sounding reference signal (SRS) via the first group of antenna ports through a first channel of a communication link between the UE and the base station;
receiving, by the processor, from the base station a channel state information reference signal (CSI-RS) via the first and second groups of antenna ports through the first channel and a second channel of the communication link;
determining, by the processor, an estimated channel response based on the receiving of the CSI-RS;
determining, by the processor, a matrix such that a product of the matrix and a first channel response of the first channel approximates a second channel response of the second channel; and
transmitting, by the processor, to the base station a CSI feedback indicating the matrix, a transmission rank, and a channel quality indicator (CQI),
wherein the dividing of the plurality of antenna ports at the UE into the first group and the second group comprises dividing the plurality of antenna ports at the UE into the first group comprising n1 antenna ports, 1?n1?N1, and the second group comprising n2 antenna ports, N1+1?n2?N1+N2, with n1, n2, N1, N2, being positive integers and with assumptions that:
the first group is used for both transmitting and receiving, and
the second group used for receiving but not transmitting.

US Pat. No. 10,560,168

METHOD FOR MULTIUSER SUPERPOSITION TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

LG ELECTRONICS INC., Seo...

1. A method for a first eNodeB (eNB) to perform multiuser superposition transmission (MUST) involving joint transmission in a wireless communication system, the method comprising:receiving first channel state information (CSI) of a first eNB participating in joint transmission from a MUST-paired user equipment (UE);
configuring a parameter necessary to perform the MUST involving joint transmission to the MUST-paired UE based on the first CSI and second CS of a second eNB participating the joint transmission; and
transmitting the parameter to the MUST-paired UE and the second eNB.

US Pat. No. 10,560,167

METHOD FOR TRANSMITTING AND RECEIVING SIGNAL USING BEAM SHARING BETWEEN USER EQUIPMENTS

LG Electronics Inc., Seo...

1. A method of receiving a signal by a user equipment (UE) in a wireless communication system, the UE comprising at least one distributed antenna unit (DU), the method comprising:receiving information about a preferred beam through the DU from another UE, the information about the preferred beam comprising information indicating at least one preferred beam for the another UE;
determining at least one shared beam based on the received information about the preferred beam;
transmitting information about the determined at least one shared beam through the DU to a base station (BS);
determining a dedicated beam of the UE based on the determined at least one shared beam;
transmitting information about the determined dedicated beam through the DU to the BS; and
simultaneously receiving UE-common data based on the information about the at least one shared beam and UE-specific data based on the information about the dedicated beam from the BS.

US Pat. No. 10,560,166

TUNABLE PASSIVE TIME-DELAY STRUCTURE FOR ADJUSTING A DIRECTION OF A BEAMFORMING PATTERN

Facebook, Inc., Menlo Pa...

1. A node, comprising:a plurality of passive time-delay structures, wherein each of the passive time-delay structure is operative to generate a plurality of delayed signals, wherein each of the plurality of delayed signals is a delayed version of at least one of a plurality of communication signals connected to the passive time-delay structure, wherein at least one of the plurality of passive time-delay structures includes a tunable element, the tunable element operative to introduce a variable delay to the at least one of the plurality of communication signals propagating through the at least one of the plurality of passive time-delay structures;
an antenna array, wherein the antenna array generates a beamforming pattern corresponding with a selected one of the plurality of the passive time-delay structures; and
a phase delay adjust control operative to adjust the tunable element of the at least one of the plurality of passive time-delay structures, wherein a direction of the one or more beams of the beamforming pattern changes depending upon tuning of the tunable element.

US Pat. No. 10,560,165

COMMUNICATION SYSTEM, METHOD OF CONTROLLING COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND WIRELESS TERMINAL APPARATUS

PANASONIC INTELLECTUAL PR...

1. A communication system, comprising:one or more wireless terminal apparatuses; and
a base station apparatus that performs a wireless communication with the one or more wireless terminal apparatuses, wherein in a transmission beamforming training interval in which beamforming training of a transmission beam is performed,
the base station apparatus transmits to the one or more wireless terminal apparatuses a protocol control frame including a designation field indicating a reception quality measuring method and transmits a plurality of first training frames while sequentially switching a plurality of first transmission beam patterns,
the one or more wireless terminal apparatuses perform an operation including,
receiving the protocol control frame,
receiving the plurality of first training frames using a particular beam pattern,
measuring first reception quality of the received plurality of first training frames according to the reception quality measuring method indicated in the received protocol control frame, and
generating a second feedback frame including the measured first reception quality and transmitting the generated second feedback frame to the base station apparatus, and
the base station apparatus performs an operation including,
receiving the second feedback frame, and
selecting one beam pattern from the plurality of first transmission beam patterns based on the first reception quality included in the second feedback frame.

US Pat. No. 10,560,164

GROUP ADDRESSING FOR BEAMFORMING TRAINING

Marvell International Ltd...

1. A method for performing beamforming training in a wireless communication network, the method comprising:generating, at a first communication device, a beamforming training initiator packet for transmission in the wireless communication network, the beamforming training initiator packet including i) information indicating a start of a beamforming training session, and ii) respective individual identifiers of multiple second communication devices, among a plurality of second communication devices, that alone specify which of the second communication devices among the plurality of second communication devices are to process beamforming training packets transmitted by the first communication device during the beamforming training session;
transmitting, by the first communication device, the beamforming training initiator packet that includes the respective individual identifiers of multiple second communication devices that alone specify which of the second communication devices are to process beamforming training packets transmitted by the first communication device during the beamforming training session; and
after transmitting the beamforming training initiator packet, transmitting, by the first communication device, a plurality of beamforming training packets during the beamforming training session.

US Pat. No. 10,560,163

BEAMFORMING CONFIGURATION WITH ADAPTIVE PORT-TO-ANTENNA MAPPING FOR A MULTI-ANTENNA SYSTEM

Telefonaktiebolaget LM Er...

1. A method for determining a beamforming configuration for a multi-antenna system having at least two antennas and having a port-to-antenna mapping between antenna ports and antennas, wherein the method comprises:obtaining first feedback information originating from a wireless device relating to a multi-antenna transmission based on a first beamforming configuration enabling beamforming according to a first beam form, wherein the first beamforming configuration includes a first port-to-antenna mapping;
obtaining second feedback information originating from the wireless device relating to a multi-antenna transmission based on a second, different beamforming configuration enabling beamforming according to a second, different beam form, wherein the second beamforming configuration includes a second, different port-to-antenna mapping; and
determining, based on the first feedback information and the second feedback information, a third beamforming configuration for the multi-antenna system including a third port-to-antenna mapping to enable beamforming according to a third beam form, wherein the first feedback information and the second feedback information belong to different feedback processes,
wherein the method further comprises transferring information about the determined third beamforming configuration to a network node for enabling multi-antenna transmission of at least one reference signal based on the determined third beamforming configuration.

US Pat. No. 10,560,162

TRANSMIT DIVERSITY METHOD, DEVICE, AND SYSTEM

Huawei Technologies Co., ...

1. A transmit diversity method, comprising:receiving, by a first network device, rank index information and precoding matrix index information that are sent by a second network device;
determining, by the first network device, a diversity coding scheme based on the rank index information, wherein determining, by the first network device, the diversity coding scheme based on the rank index information comprises:
when the rank index information is a first preset rank 2, determining, by the first network device, the diversity coding scheme as a first diversity coding scheme, wherein the first diversity coding scheme is:
X2k,1=d(2k) X2k,2=d(2k+1)
X2k+1,1=?(d(2k+1))* X2k+1,2=(d(2k))*
wherein X2k,1 represents a data symbol to which first-layer data is mapped on a 2kth subcarrier, and corresponds to a data symbol d(2k) of the first data; X2k+1,1 represents a data symbol to which the first-layer data is mapped on a 2k+1th subcarrier, and corresponds to a data symbol ?(d(2k+1))* of the first data; X2k,2 represents a data symbol to which second-layer data is mapped on the 2kth subcarrier, and corresponds to a data symbol d(2k+1) of the first data; X2k+1,2 represents a data symbol to which the second-layer data is mapped on the 2k+1th subcarrier, and corresponds to a data symbol (d(2k))* of the first of the first data; and data symbols of the second data are represented as X; or
X2k,1=d(2k) X2k+1,1=d(2k+1)
X2k,2=?(d(2k+1))* X2k+1,2=(d(2k))*
wherein X2k,1 represents a data symbol to which first-layer data is mapped on a 2kth subcarrier, and corresponds to a data symbol d(2k) of the first data; X2k+1,1 represents a data symbol to which the first-layer data is mapped on a 2k+1th subcarrier, and corresponds to a data symbol d(2k+1) of the first data; X2k,2 represents a data symbol to which second-layer data is mapped on the 2kth subcarrier, and corresponds to a data symbol ?(d(2k+1)* of the first data; X2k+1,2 represents a data symbol to which the second-layer data is mapped on the 2k +1 subcarrier, and corresponds to a data symbol (d(2k))* of the first data; and data symbols of the second data are represented as X, and
when the rank index information is a second preset rank 4, determining, by the first network device, the diversity coding scheme as a second diversity coding scheme;
determining, by the first network device, a precoding matrix based on the precoding matrix index information; and
performing, by the first network device, transmission processing on to-be-transmitted data based on the diversity coding scheme and the precoding matrix, wherein performing, by the first network device, the transmission processing on the to-be-transmitted data based on the diversity coding scheme and the precoding matrix comprises:
performing, by the first network device, coding, scrambling, and modulation processing on the to-be-transmitted data, to obtain the first data,
processing, by the first network device, the first data based on the diversity coding scheme, to obtain second data,
performing, by the first network device, precoding processing on the second data based on the precoding matrix, to obtain third data,
performing, by the first network device, resource block mapping and orthogonal frequency division multiplexing (OFDM) signal generation processing on the third data, and
sending, by the first network device, the third data.

US Pat. No. 10,560,161

HIGH SPATIAL RESOLUTION BEAM SPACE CSI FEEDBACK

TELEFONAKTIEBOLAGET LM ER...

1. A method in a radio communications network, the network comprising a base station with an antenna array comprising a plurality of antenna elements, the method comprising, at the base station:precoding a multi-dimensional channel state information reference signal (CSI-RS) with a precoding virtualization matrix such that each antenna element of the antenna array is associated with a non-zero weight in at least two precoders of the precoding virtualization matrix;
transmitting the multi-dimensional CSI-RS to a user equipment (UE) operating in the network;
receiving an identifier from the UE, wherein the identifier identifies a selected precoder from a codebook;
using the selected precoder to identify a desired precoder; and
transmitting a data signal to the UE using the desired precoder.

US Pat. No. 10,560,160

TRANSMISSION METHOD, TRANSMISSION DEVICE, RECEPTION METHOD, AND RECEPTION DEVICE

SUN PATENT TRUST, New Yo...

1. A transmission method executed by a transmission system, the transmission method comprising:generating a plurality of first transmission symbols z1 and a plurality of second transmission symbols z2 for respective slots by using N signal processes with respect to a plurality of first modulated symbols s1 and a plurality of second modulated symbols s2, the plurality of first modulated symbols s1 including one or more first data symbols, the plurality of second modulated symbols s2 including one or more second data symbols, N being an integer that is at least three, the N signal processes being regularly switched with N slots as one cycle;
transmitting a plurality of first OFDM symbols from a first antenna, the plurality of first transmission symbols z1 being arranged in the plurality of first OFDM symbols, the plurality of first OFDM symbols including one or more first pilot symbols; and
transmitting a plurality of second OFDM symbols from a second antenna, the plurality of second transmission symbols z2 being arranged in the plurality of second OFDM symbols, the plurality of second OFDM symbols including one or more second pilot symbols, the plurality of first OFDM symbols and the plurality of second OFDM symbols being transmitted at a same frequency band and time, wherein
the plurality of first OFDM symbols and the plurality of second OFDM symbols each include one or more control symbols including control information used in demodulation, the one or more control symbols are different from pilot symbols,
the N signal processes are not performed on the one or more control symbols, and
the one or more first data symbols and the one or more second data symbols include multiplexed data bits in which video stream and audio stream are multiplexed.

US Pat. No. 10,560,159

PILOT SCHEME FOR A MIMO COMMUNICATION SYSTEM

Apple Inc., Cupertino, C...

1. A method of transmitting demodulation pilot information, the method comprising:a base station performing,
transmitting an assignment of a plurality of subcarriers in one or more blocks of subcarriers for a single carrier frequency division multiple access (SC-FDM) signal, wherein the assignment of the plurality of subcarriers is:
every other subcarrier of the one or more blocks of subcarriers on one or more pilot symbols in a set of pilot and traffic symbols; and
every subcarrier of the one or more blocks of subcarriers on a plurality of traffic symbols in the set of pilot and traffic symbols;
wherein each block of the one or more blocks of subcarriers comprises more than one subcarrier;
receiving, from a first mobile terminal, demodulation pilot information on the one or more pilot symbols and traffic information on the plurality of traffic symbols, wherein the demodulation pilot information is mapped to every other subcarrier of the one or more blocks of subcarriers on the one or more pilot symbols in the set of pilot and traffic symbols, wherein the traffic information is mapped onto every subcarrier of the one or more blocks of subcarriers on the plurality of traffic symbols in the set of pilot and traffic symbols, wherein each of the plurality of traffic symbols of the SC-FDM signal undergoes discrete Fourier transform pre-processing of the traffic information prior to sub-carrier mapping, and wherein each of the at least one pilot symbols of the SC-FDM signal does not undergo discrete Fourier transform pre-processing prior to sub-carrier mapping; and
receiving, from a second mobile terminal, second demodulation pilot information on the one or more pilot symbols and second traffic information on the plurality of traffic symbols, wherein the second demodulation pilot information is mapped to subcarriers different from the assignment of the plurality of subcarriers for the first mobile terminal on the pilot symbols of the set of pilot and traffic symbols, and wherein the second traffic information is mapped to the assignment of the plurality of subcarriers for the first mobile terminal on the traffic symbols of the set of pilot and traffic symbols.

US Pat. No. 10,560,158

TRIGGERED UPLINK TRANSMISSIONS IN WIRELESS LOCAL AREA NETWORKS

NXP USA, Inc., Austin, T...

1. A method for communicating in a wireless communication network, the method comprising:determining, at a first communication device, respective time duration requirements for preparing uplink transmissions by multiple second communication devices as part of an uplink multi-user (MU) transmission;
generating, at the first communication device, a physical layer (PHY) data unit that includes a trigger frame, wherein the trigger frame is for triggering simultaneous uplink transmissions by multiple second communication devices as part of the uplink MU transmission, wherein the trigger frame includes a trigger information portion, and wherein the PHY data unit is generated such that a duration between transmission of an end of the trigger information portion and transmission of an end of the PHY data unit is sufficient to satisfy the respective time duration requirements of the multiple second communication devices;
transmitting, with the first communication device, the PHY data unit; and
receiving, at the first communication device, the simultaneous uplink transmissions, triggered by the trigger frame, from the multiple second communication devices.

US Pat. No. 10,560,157

WIRELESS COMMUNICATION SYSTEM

Canon Kabushiki Kaisha, ...

1. A wireless communication system comprising:a first communication unit comprising a first antenna and a second antenna;
a second communication unit comprising a third antenna and a fourth antenna;
a first communication control unit configured to control wireless data communication based on electromagnetic field coupling between the first antenna and the third antenna;
a second communication control unit configured to control wireless data communication based on electromagnetic field coupling between the second antenna and the fourth antenna; and
a movement control unit configured to move at least one of the first communication unit and the second communication unit relatively to the other while maintaining a positional relationship in which the first antenna faces the third antenna and the second antenna faces the fourth antenna.

US Pat. No. 10,560,156

METHOD AND DEVICE FOR MODULATING AN ACTIVE LOAD

VERIMATRIX, Meyreuil (FR...

1. A method comprising:producing, by an inductive antenna circuit, a first periodic signal that is based on an alternating external magnetic field;
producing, by an oscillator circuit, a second periodic signal that is based on the first periodic signal;
transmitting, in correspondence with a data-carrying modulation signal, a sequence of data bits of a data frame by sequentially and repetitively:
applying, with the oscillator circuit operating in a free oscillation mode, the second periodic signal to the inductive antenna circuit to transmit a portion of the data frame, the second periodic signal being applied to the inductive antenna circuit in response to the data-carrying modulation signal having a first logic value;
after transmitting the portion of the data frame, inhibiting application of the second periodic signal to the inductive antenna circuit, application of the second periodic signal to the inductive antenna circuit being inhibited in response to the data-carrying modulation signal having a second logic value, the second logic value being opposite the first logic value; and
during at least a portion of a period of time that application of the second periodic signal to the inductive antenna circuit is inhibited, placing the oscillator circuit in a synchronous oscillation mode, the placing the oscillator circuit in the synchronous oscillation mode resulting in the second periodic signal being synchronized to the first periodic signal.

US Pat. No. 10,560,155

INFORMATION TRANSMITTER

WITS Co., Ltd., Gyeonggi...

1. An information transmitter, comprising:a transmitting coil configured to receive a coil voltage to generate a magnetic field; and
a signal generator configured to apply the coil voltage to the transmitting coil, the signal generator including,
an input resistance,
a first switch comprising a first-first terminal connected to the input resistance and a first-second terminal connected to a first terminal of the transmitting coil,
a second switch comprising a second-first terminal connected to the first-second terminal of the first switch and a second-second terminal of a second terminal of transmitting coil,
a third switch comprising a third-first terminal connected to the input resistance and a third-second terminal connected to the second terminal of the transmitting coil, and
a fourth switch comprising a fourth-first terminal connected to the second terminal of the transmitting coil and a fourth-second terminal connected to the second-second terminal of the second switch,
wherein a first time constant of a first current path to which the coil voltage having a first magnitude is applied is different from a second time constant of a second current path to which the coil voltage having a second magnitude, which is smaller than the first magnitude, is applied.

US Pat. No. 10,560,154

POWER LINE SIGNAL COUPLER

ESKER TECHNOLOGIES, LLC, ...

1. A method of configuring an electrical circuit comprising:providing a resonant wire segment between a power source and a power line bus;
providing a signal transceiver;
coupling a first and second amplifier coupled to said signal transceiver, said amplifiers coupled to a switch, said switch coupled to a transformer, said transformer coupled to a resistor, said resistor coupled to at least one of a positive and a negative line emanating from said power source;
said positive and said negative lines coupled to a matching network comprising a series of capacitors, said positive and said negative lines coupled to said power line bus;
said resonant wire segment coupling at least one of said positive and said negative lines from said power source and said power bus.

US Pat. No. 10,560,153

GUIDED WAVE TRANSMISSION DEVICE WITH DIVERSITY AND METHODS FOR USE THEREWITH

1. A transmission device comprising:a first coupler oriented at an azimuthal angle to a transmission medium, wherein the first coupler is configured to form a first electromagnetic wave that is guided along an outer surface of the transmission medium via at least one guided-wave mode, wherein the first electromagnetic wave has an envelope that varies as a function of angular deviation from the azimuthal angle, wherein the function of angular deviation has a minimum at an angular deviation from the azimuthal angle, and wherein a second electromagnetic wave propagates along the outer surface of the transmission medium in a direction opposite to the first electromagnetic wave; and
a second coupler that receives the second electromagnetic wave from the transmission medium for transmission to a receiver, wherein the second coupler is oriented at the angular deviation from the azimuthal angle.

US Pat. No. 10,560,152

METHOD AND APPARATUS FOR CONFIGURING A COMMUNICATION INTERFACE

1. A method, comprising:generating, by a coupler, first electromagnetic waves; and
inducing, by the coupler, according to the first electromagnetic waves, second electromagnetic waves that propagate along a boundary formed between a plurality of insulating surfaces of an inner bundle of twisted pair cables, the second electromagnetic waves propagating along the boundary formed between the plurality of insulating surfaces of the inner bundle of twisted pair cables without requiring an electrical return path.

US Pat. No. 10,560,151

ACCESS POINT AND METHODS FOR COMMUNICATING WITH GUIDED ELECTROMAGNETIC WAVES

1. An access point comprising:a first communication interface that includes:
a first coupler configured to receive, via a first transmission medium, first guided electromagnetic waves from a first waveguide system of a distributed antenna system, wherein the first guided electromagnetic waves propagate along the first transmission medium without requiring an electrical return path; and
a receiver configured to receive first data from the first guided electromagnetic waves; and
a data switch configured to select first selected portions of the first data for transmission to at least one communication device in proximity to the access point;
wherein the first waveguide system is coupled to a medium voltage power line supported by a utility pole and wherein the first waveguide system sends and receives second guided electromagnetic waves along an outer surface of the medium voltage power line.

US Pat. No. 10,560,150

BACKHAUL LINK FOR DISTRIBUTED ANTENNA SYSTEM

1. A method, comprising:converting, by a second network element of a distributed antenna system, a wireless signal to an electrical signal, wherein the wireless signal is received from a first network element of the distributed antenna system by an antenna system of the second network element, wherein the wireless signal includes a reference signal and includes a modulated signal that is frequency-shifted from a first spectral segment to a carrier frequency without modulating or demodulating the modulated signal at the carrier frequency, and wherein the electrical signal includes the reference signal and the modulated signal at the carrier frequency; and
transmitting, by the antenna system of the second network element, an amplified version of the reference signal and an amplified version of the modulated signal at the carrier frequency as another wireless signal directed to a third network element of the distributed antenna system, wherein the amplified version of the reference signal enables the third network element to reduce signal distortion when converting the amplified version of the modulated signal at the carrier frequency to the modulated signal in a second spectral segment.

US Pat. No. 10,560,149

COMMUNICATING BETWEEN DEVICES IN A DOORBELL SYSTEM USING AC POWER WAVEFORMS

Amazon Technologies, Inc....

1. An audio/video (A/V) recording and communication device configured to be connected in series with a doorbell device in a doorbell circuit, the A/V recording and communication device comprising:a button configured to receive touch input to cause a signaling device to output a sound;
one or more processors;
a first signal relay configured to be disposed in series with the signaling device to perform current switching for controlling AC current that is provided by an AC power source, the first signal relay being selectively configurable to close a first connection such that the AC current is provided by the AC power source and to open the first connection such that the AC current is not provided by the AC power source;
a second signal relay disposed in parallel with the A/V recording and communication device to perform current switching for controlling the AC current that is drawn by the A/V recording and communication device, the second signal relay being selectively configurable to open a second connection such that the AC current is drawn by the A/V recording and communication device through the first signal relay and to close the second connection such that that AC current passes through the first signal relay and the second signal relay to bypass the A/V recording and communication device; and
memory having stored therein instructions that, when executed by the one or more processors, cause the A/V recording and communication device to:
cause the first signal relay to close the first connection;
cause the second signal relay to open the second connection such that the A/V recording and communication device draws a first amount of AC current through the first signal relay;
detect a touch input of the button;
based at least in part on the detecting the touch input of the button, cause the first signal relay to open the first connection such that the doorbell circuit is open, thereby preventing the first amount of AC current from being drawn by the A/V recording and communication device for a first period of time,
wherein the preventing the first amount of AC current from being drawn by the A/V recording and communication device indicates to the signaling device to output the sound;
subsequent to the first period of time:
cause the first signal relay to close the first connection such that the AC current is provided to the doorbell circuit by the AC power source; and
cause the second signal relay to close the second connection such that a second amount of AC current that is drawn by the signaling device to output the sound bypasses the A/V recording and communication device by passing through the first signal relay and the second signal relay, wherein the first signal relay and the second signal relay are closed for a second period of time;
subsequent to the second period of time:
cause the first signal relay to open the first connection for a third period of time; and
cause the second signal relay to open the second connection for the third period of time such that the doorbell circuit is open, thereby preventing the signaling device from drawing the second amount of AC current to output the sound; and
subsequent to the third period of time, cause the first signal relay to close the first connection such that the A/V recording and communication device draws a third amount of AC current through the first signal relay.

US Pat. No. 10,560,148

TRANSMISSION MEDIUM AND METHODS FOR USE THEREWITH

1. A transmission medium comprising:a core; and
an outer conductive layer forming an uninsulated outer surface of the transmission medium, the outer conductive layer configured to impede accumulation of water to support propagation of first electromagnetic waves guided by the uninsulated outer surface, wherein the outer conductive layer comprises a first plurality of conductors, and wherein the first plurality of conductors individually have a sector cross section concentrically truncated to conform with an inner surface of the transmission medium.

US Pat. No. 10,560,147

GUIDED SURFACE WAVEGUIDE PROBE CONTROL SYSTEM

CPG TECHNOLOGIES, LLC, I...

1. A system, comprising:a control system coupled to a guided surface waveguide probe, the control system configured to monitor and control operation of the guided surface waveguide probe and a plurality of subsystems in data communication with the control system; and
a control room computing device located outside a predefined distance from the guided surface waveguide probe, the control room computing device being in data communication with the control system and being configured to facilitate user interaction with the control system.

US Pat. No. 10,560,146

METHOD AND SYSTEM FOR CALIBRATING MULTI-WIRE SKEW

KANDOU LABS, S.A., Lausa...

1. A method comprising:receiving, over a plurality of consecutive signaling intervals, a plurality of codewords, each codeword received as a plurality of symbols via wires of a multi-wire bus, the plurality of symbols received at a plurality of multi-input comparators (MICs), wherein each symbol is received by at least two MICs;
generating, for each codeword, a corresponding set of MIC outputs by forming linear combinations of the received symbols using the plurality of MICs;
generating a plurality of skew measurement signals over the plurality of consecutive signaling intervals, each skew measurement signal based on an early-late measurement made on at least one MIC output of the corresponding set of MIC outputs undergoing a transition between two consecutive signaling intervals responsive to two or more wires of the multi-wire bus undergoing a signal transition; and
updating, for each skew measurement signal, wire-specific skew values for the two or more wires of the multi-wire bus undergoing the signal transition.

US Pat. No. 10,560,145

METHOD AND APPARATUS FOR LAUNCHING A WAVE MODE THAT MITIGATES INTERFERENCE

10. A waveguide system, comprising:a launcher; and
a processor coupled to the launcher, wherein the processor facilitates performance of operations, comprising:
determining, by the processor, a degradation of an electromagnetic wave propagating along a transmission medium;
responsive to the determining, combining a first instance of a first electromagnetic wave with a second instance of a second electromagnetic wave to generate a combined electromagnetic wave having a hybrid wave mode adapted to mitigate the degradation; and
guiding, by the launcher, the combined electromagnetic wave for propagation along the transmission medium without requiring an electrical return path.

US Pat. No. 10,560,144

TRANSMISSION MEDIUM AND COMMUNICATION INTERFACES AND METHODS FOR USE THEREWITH

1. A method, comprising:generating, by a waveguide system comprising a processor, first electromagnetic waves; and
inducing, by the waveguide system, according to the first electromagnetic waves, second electromagnetic waves that propagate along a hollow conduit formed by an interior portion of a plurality of twisted pair cables, wherein the interior portion is formed by a plurality of inner surfaces of the plurality of twisted pair cables, wherein the plurality of twisted pair cables result in a bundle of cables, and wherein the second electromagnetic waves propagate along the hollow conduit formed by the interior portion of the plurality of twisted pair cables without requiring an electrical return path.

US Pat. No. 10,560,143

DETECTION OF INTERMODULATION ISSUES AND TRANSMISSION SCHEME CONFIGURATION TO REMEDY INTERMODULATION ISSUES

Apple Inc., Cupertino, C...

1. An apparatus, comprising a processing element configured to cause a wireless device to:determine a potential intermodulation issue for a dual connectivity configuration of Long Term Evolution (LTE) and New Radio (NR) at the wireless device for one or more band combinations;
provide, to a base station, based on said determining the potential intermodulation issue, a capability of whether simultaneous transmission on dual uplink carriers is supported for the dual connectivity configuration of LTE and NR for one or more band combinations;
provide, to the base station, an indication that the wireless device supports reporting intermodulation issues associated with dual connectivity on LTE and NR;
receive an indication that the wireless device is allowed to report the intermodulation issues from the base station;
determine that an intermodulation issue associated with dual connectivity of LTE and NR is occurring at the wireless device;
provide an indication of the intermodulation issue to the base station; and
receive first configuration information from the base station, wherein the first configuration information configures the wireless device for single uplink carrier communication, wherein the configuration information is received based at least in part on one or more of the capability and the indication of the intermodulation issue.

US Pat. No. 10,560,142

SPECTRAL ANALYSIS APPARATUS AND SPECTRAL ANALYSIS METHOD

FUJITSU LIMITED, Kawasak...

1. A non-transitory computer-readable recording medium storing a program that causes a computer to execute a procedure to determine a feature of each standard of a wireless environment in which radio signals including a Chirp Spread Spectrum (CSS) signal chirp-modulated co-exist, the procedure comprising:obtaining a spectrum by subjecting each radio signal to fast Fourier transform with predetermined frequency resolution and time resolution capable of visualizing a feature of the CSS signal;
coarsening the frequency resolution of the spectrum by adopting an effective value in a specific frequency domain;
calculating a duration of the radio signal, based on the coarsened frequency resolution of the spectrum;
coarsening the time resolution of the spectrum by adopting an effective value in the duration;
calculating a bandwidth of the radio signal, based on the coarsened time resolution of the spectrum; and
determining the feature of the radio signal of each standard, based on the duration and the bandwidth.

US Pat. No. 10,560,141

MOBILE TERMINAL, BASE STATION AND NON-TRANSITORY COMPUTER-READABLE MEDIUM TO SECURELY RECEIVE SIGNAL

JRD Communication (Shenzh...

1. A mobile terminal, comprising:a memory configured to store instructions;
a processor configured to execute the instructions, which cause the processor to perform steps comprising:
pre-configuring a first standard PN sequence and a second standard PN sequence, and when communication between the mobile terminal and a base station is established, receiving a first start bit serial number of the first standard PN sequence and a second start bit serial number of the second standard PN sequence to the mobile terminal by a from the base station;
based on the first start bit serial number of the first standard PN sequence, obtaining a first cyclic PN sequence, and based on the second start bit serial number of the second standard PN sequence, obtaining a second cyclic PN sequence;
when transmitting information to the base station, randomly XORing corresponding digits of a low frequency digital sequence of information to be transmitted and the first cyclic PN sequence and the second cyclic PN sequence, to obtain a spread sequence, and transmitting the spread sequence out; and
when receiving information from the base station,
receiving a spread sequence transmitted by the base station, and XORing the spread sequence transmitted by the base station with the first cyclic PN sequence and the second cyclic PN sequence, to obtain a first sequence to be determined and a second sequence to be determined; and
for each of the first sequence to be determined and the second sequence to be determined, determining whether the first sequence to be determined or the second sequence to be determined is a high frequency digital sequence, and if so, discarding the first sequence to be determined or the second sequence to be determined, and if not, determining that the first sequence to be determined or the second sequence to be determined is the information from the base station.

US Pat. No. 10,560,140

MIMO WIFI TRANSCEIVER WITH ROLLING GAIN OFFSET PRE-DISTORTION CALIBRATION

QUANTENNA COMMUNICATIONS,...

1. A wireless multiple-input multiple-output (MIMO) transceiver apparatus for wireless communication on a wireless local area network (WLAN), and the wireless MIMO transceiver apparatus comprising:a plurality of antennas;
a plurality of components coupled to one another to form transmit and receive chains coupled to the plurality of antenna for MIMO wireless communications on the WLAN, the plurality of components forming the transmit chains including:
pre-distorter circuits each coupled to a corresponding one of the transmit chains and each accepting input of pre-distortion parameters for pre-distorting an associated signal of a MIMO communication link prior to amplification thereof; and
power amplifiers (PA)s each having an input and an output, and each coupled at the input to a corresponding one of the transmit chains and at the output to a corresponding one of the plurality of antennas, to amplify an associated signal of the MIMO communication link for wireless transmission;
a signal combiner coupled to the outputs of each of the PAs to combine the amplified signals therefrom into a combined output signal; and
a predistortion calibration circuit to calibrate pre-distortion parameters for each of the pre-distorter circuits from the combined output signal, the predistortion calibration circuit having an input simultaneously coupled through the signal combiner to the outputs of all of the PAs, and including:
a chain isolator circuit coupled to the signal combiner, to isolate a selected one of the amplified signals from an associated PA within the combined output signal from the signal combiner; and
an inverter circuit coupled to the chain isolator circuit to determine a mathematical inverse of the associated PA's non-linearity where said non-linearity corresponds to a difference between the selected one of the amplified signals and the un-amplified signal on the corresponding one of the transmit chains; and to provide pre-distortion parameters corresponding to said inverse to the corresponding one of the pre-distorter circuits to compensate for any non-linearity in the amplification provided by the corresponding PA.

US Pat. No. 10,560,139

DYNAMIC CONTROL OF SINGLE SWITCHED UPLINK VERSUS MULTI UPLINK

Skyworks Solutions, Inc.,...

1. A mobile device comprising:a plurality of antennas including a first antenna and a second antenna;
a front end system including a plurality of transmit chains including a first transmit chain electrically connected to the first antenna and a second transmit chain electrically connected to the second antenna; and
a transceiver configured to transmit a first type of radio frequency signal and a second type of radio frequency signal through the front end system, the transceiver operable in a first mode in which transmissions of the first type of radio frequency signal and the second type of radio frequency signal are staggered over time, and a second mode in which transmissions of the first type of radio frequency signal and the second type of radio frequency signal at least partially overlap in time, the transceiver including a transmit control circuit configured to operate the transceiver in the first mode or the second mode based on comparing a transmit parameter to a threshold.

US Pat. No. 10,560,138

TRANSCEIVER CIRCUIT AND RELATED RADIO FREQUENCY CIRCUIT

Qorvo US, Inc., Greensbo...

1. A transceiver circuit comprising:an output node coupled to a radio frequency (RF) circuit;
a voltage generation circuit coupled to the output node and configured to:
receive a plurality of digital amplitudes; and
generate a digital target voltage based on the plurality of digital amplitudes; and
a voltage combiner configured to combine the digital target voltage with a voltage compensation term prior to the digital target voltage being converted into an envelope tracking (ET) target voltage at the output node.

US Pat. No. 10,560,137

MULTIWAY SWITCH, RADIO FREQUENCY SYSTEM, AND WIRELESS COMMUNICATION DEVICE

GUANGDONG OPPO MOBILE TEL...

1. A multiway switch, comprising:five throw (T) ports and four pole (P) ports; the five T ports comprising one first T port and four second T ports, the first T port being coupled with all the four P ports, and each of the four second T ports being coupled with only one of the four P ports; and
the multiway switch being configured to be coupled with a radio frequency circuit and an antenna system of an electronic device operable in a dual-frequency single-transmit mode, to enable a preset function of the electronic device, the antenna system comprising four antennas corresponding to the four P ports, and the preset function being a function of transmitting a sounding reference signal (SRS) through the four antennas in turn.

US Pat. No. 10,560,136

ANTENNA CONTINUITY

Corning Optical Communica...

1. An access unit configured to provide radio frequency (RF) communications to a coverage area, comprising:an antenna component comprising a first resistive element and configured to communicate RF signals into a coverage area;
a base unit, comprising:
a base unit circuit board formed on a first printed circuit board;
a cavity filter block formed on a second printed circuit board and operatively connected to the base unit circuit board, comprising:
processing circuitry, the processing circuitry including at least one filter;
an RF blocking component electrically connected to the first resistive element, and
a second resistive element provided on the second printed circuit board and electrically connected in series with the RF blocking component;
a third resistive element disposed on the first printed circuit board and electrically connected with the second resistive element, wherein the first resistive element, the second resistive element, and the third resistive element collectively form a voltage divider coupled across the antenna component, the second printed circuit board, and the first printed circuit board; and
a controller; and
a communications medium electrically connecting the antenna component to the base unit, wherein
the controller is configured to determine a connected state of the antenna component to the base unit based at least on a voltage difference between the second resistive element and the third resistive element.

US Pat. No. 10,560,135

HEALTH, WELLNESS AND ACTIVITY MONITOR

Life365, Inc., Scottsdal...

1. A device for being attached to a user or the user's clothing, the device comprising:(a) a band having a length, a width, and a thickness, the band including first replaceable software application configured to provide a first functionality, electronic circuitry configured to wirelessly and automatically replace, based on a physical location of the band, the first replaceable software application with a second replaceable software application configured to provide a second functionality that is different from the first functionality, a first power source, and a display; and
(b) the band, electronic circuitry, and display being flexible so as to be functional when manipulated into a circle having a diameter of 4? or more, 5? or more, 6? or more, 7? or more, 8? or more, 9? or more, or 10? or more.

US Pat. No. 10,560,134

MULTIBAND AGGREGATION RECEIVER ARCHITECTURE

HUAWEI TECHNOLOGIES CO., ...

1. A system for multi-band communication, the system comprising:at least one receiver branch, each receiver branch comprising:
a band-isolation stage comprising a plurality of sections, each section comprising:
a band-isolation stage mixer configured to receive a band-isolation stage input signal and down-convert the band-isolation stage input signal to a band-isolation stage frequency value; and
a filter bank comprising a plurality of band pass filters; and
a switch configured to:
select one of the plurality of band pass filters based on a bandwidth associated with a frequency band of interest in the down converted signal, at least one of the bandwidth and the frequency band of interest being identified in received configuration instructions; and
route the down-converted signal through the selected band pass filter.

US Pat. No. 10,560,133

DEVICE FOR RADIO COMMUNICATION USING A PLURALITY OF ANTENNAS

Hitachi Kokusai Electric ...

1. A device comprising:a first amplitude and phase controller configured to:
control a first amplitude and phase of a first receiving signal being input by a first receiving antenna to obtain a first directivity for a desired signal and to output a first desired signal, and
control a first amplitude and phase of a second receiving signal being input by a second receiving antenna to obtain a second directivity for the desired signal and to output a second desired signal;
a second amplitude and phase controller configured to:
control a second amplitude and phase of the first receiving signal to obtain a first directivity for a first undesirable signal by identifying a first arrival direction of the desired signal as a first null point and to output a first null point signal, and
control a second amplitude and phase of the second receiving signal to obtain a second directivity for the first undesirable signal by identifying a second arrival direction of the desired signal as a second null point and to output a second null point signal;
a first receiving synthesizer configured to:
synthesize the first desired signal with the second desired signal, and
output a first receiving synthesized signal;
a second receiving synthesizer configured to:
synthesize the first null point signal with the second null point signal, and
output a second receiving synthesized signal; and
a desired signal generator configured to output a synthesized receiving signal synthesizing the first receiving synthesized signal with the second receiving synthesized signal.

US Pat. No. 10,560,132

RECONFIGURABLE TRANSMITTER AND RECEIVER, AND METHODS FOR RECONFIGURING

Huawei Technologies Co., ...

1. A reconfigurable transmitter, wherein the transmitter comprises:a system adaptive control circuit, configured to generate a control signal according to frequency band information of an input signal, wherein the control signal comprises configuration information required for reconfiguring the transmitter; wherein the configuration information required for reconfiguring the transmitter comprises at least one of: a system clock; a digital intermediate frequency processing rate; a digital-to-analog conversion sampling rate; and an analog-to-digital conversion sampling rate;
a system clock circuit, configured to generate a system clock according to the control signal generated by the system adaptive control circuit;
a preprocessing circuit, configured to preprocess a received baseband signal according to the system clock and the control signal, to generate a frequency band signal;
a digital intermediate frequency processing circuit, configured to process, according to the system clock and the control signal, the frequency band signal generated by the preprocessing circuit, to generate a digital intermediate frequency signal;
a digital-to-analog conversion circuit, configured to process, according to the system clock and the control signal, the digital intermediate frequency signal generated by the digital intermediate frequency processing circuit, to generate an analog signal;
an analog transmitting circuit, configured to transmit the analog signal generated by the digital-to-analog conversion circuit;
wherein the transmitter further comprises a feedback analog-to-digital conversion circuit, configured to process a fed-back analog signal according to the system clock and the control signal, to generate a digital intermediate frequency signal; and
wherein the digital intermediate frequency processing circuit comprises a digital predistortion coefficient training circuit, configured to: perform, according to the system clock and the control signal, digital predistortion coefficient training on the digital intermediate frequency signal generated by the feedback analog-to-digital conversion circuit, to generate a digital predistortion coefficient.

US Pat. No. 10,560,131

FRONT-END MODULE AND COMMUNICATION DEVICE

MURATA MANUFACTURING CO.,...

1. A front-end module, comprising:a substrate; and
a receiving circuit that is provided in or on the substrate and in which carrier aggregation (CA) is executed; wherein
the receiving circuit includes:
a first path and a second path to which a high-frequency signal is inputted when the CA is executed;
a first filter disposed on the first path to filter the high-frequency signal;
a first low noise amplifier (LNA) disposed on the first path to amplify a signal filtered by the first filter;
a first inductor provided on the first path between the first filter and the first LNA to perform impedance matching for the first filter and the first LNA;
a second filter disposed on the second path to filter the high-frequency signal;
a second LNA disposed on the second path to amplify a signal filtered by the second filter; and
a second inductor provided on the second path between the second filter and the second LNA to perform impedance matching for the second filter and the second LNA; and
a coil axis of the first inductor and a coil axis of the second inductor are different from each other.

US Pat. No. 10,560,130

MULTIWAY SWITCH, RADIO FREQUENCY SYSTEM, AND WIRELESS COMMUNICATION DEVICE

GUANGDONG OPPO MOBILE TEL...

1. A multiway switch, comprising:six throw (T) ports and 2n pole (P) ports, the six T ports comprising two first T ports, and each of the two first T ports being coupled with all the 2n P ports; n being an integer and n?2;
the multiway switch being configured to be coupled with a radio frequency circuit and an antenna system of a wireless communication device operable in a dual-frequency single-transmit mode, to implement a preset function of the wireless communication device, the antenna system comprising 2n antennas corresponding to the 2n P ports, and the preset function being a function of transmitting a sounding reference signal (SRS) through the 2n antennas in turn;
wherein
the six T ports further comprise four second T ports;
each of the four second T ports is coupled with one of the 2n P ports, and T ports at the same frequency band in the four second T ports are coupled with different P ports;
each of the 2n P ports is configured to be coupled with a corresponding antenna of the 2n antennas;
the two first T ports at least support a transmission function; and
the four second T ports support only a reception function.

US Pat. No. 10,560,129

HYBRID-COUPLER-BASED RADIO FREQUENCY MULTIPLEXERS

Qorvo US, Inc., Greensbo...

1. A radio frequency multiplexer, comprising:a plurality of ports including a common port, a first port for a first frequency band, a second port for a second frequency band, and a third port for a third frequency band;
a plurality of quadrature hybrid couplers (QHCs) including a first QHC, a second QHC, and a third QHC;
a plurality of pairs of filters including a first pair of filters and a second pair of filters, wherein:
the first pair of filters are coupled between the first QHC and the second QHC, and are configured to pass the second frequency band and not pass the first frequency band and the third frequency band;
the second pair of filters are coupled between the first QHC and the third QHC, and are configured to pass the third frequency band and not pass the first frequency band and the second frequency band;
the first QHC, the first pair of filters, and the second QHC are configured to separate the first frequency band from the common port to the first port, and separate the second frequency band from the common port to the second port; and
the first QHC, the second pair of filters, and the third QHC are configured to separate the first frequency band from the common port to the first port, and separate the third frequency band from the common port to the third port;
a first pair of equalizers coupled between the first pair of filters and the second QHC; and
a first pair of impedance matching networks coupled between the first QHC and the first pair of filters.

US Pat. No. 10,560,128

CARRIER AGGREGATED SIGNAL TRANSMISSION AND RECEPTION

SAMSUNG ELECTRONICS CO., ...

1. A radio-frequency integrated chip configured to receive a receiving signal composed of at least first and second carrier signals, the radio-frequency integrated chip comprising:a first carrier receiver configured to receive a first portion of the receiving signal and generate therefrom a first digital carrier signal corresponding to the first carrier signal, the first carrier receiver comprising a first analog mixer configured to translate frequencies of the first carrier signal in an analog domain and a first digital mixer configured to further translate frequencies of the first carrier signal in a digital domain and output the first digital carrier signal;
a second carrier receiver configured to receive a second portion of the receiving signal and generate therefrom a second digital carrier signal corresponding to the second carrier signal, the second carrier receiver comprising a second analog mixer configured to translate frequencies of the second carrier signal in the analog domain and a second digital mixer configured to further translate frequencies of the second carrier signal in the digital domain and output the second digital carrier signal; and
a phase-locked loop (PLL) configured to output a first frequency signal having a first frequency to the first carrier receiver and the second carrier receiver,
wherein the first analog mixer translates the frequencies of the first carrier signal based on a second frequency signal generated by dividing the first frequency signal, and the second analog mixer translates the frequencies of the second carrier signal based on a third frequency signal generated by dividing the first frequency signal.

US Pat. No. 10,560,127

ANTENNA STRUCTURES AND REFLECTIVE CHAMBERS OF A MULTI-RADIO, MULTI-CHANNEL (MRMC) MESH NETWORK DEVICE

Amazon Technologies, Inc....

1. A mesh network device comprising:a metal housing comprising a top sector, a bottom sector, and eight sectors, each of the eight sectors shaped as a truncated pyramid structure with a top portion and four side portions that define a recessed region of the respective sector, wherein the eight truncated pyramid structures are arranged in a circular arrangement with two adjacent sectors sharing at least one common side portion, wherein the top portions of the eight sectors form an inner chamber in a center of the metal housing;
a circuit board disposed on a first plane, the circuit board comprising a first portion disposed within the inner chamber, a second portion disposed within a first of the eight sectors, a third portion disposed within a second of the eight sectors, and a fourth portion disposed within a third of the eight sectors, wherein the fourth portion extends out from a central location of the respective top portion into the respective recessed region along the first plane;
eight pairs of antennas, wherein each of the eight pairs of antennas is disposed within the recessed region of the respective sector of the eight sectors, wherein a first pair of the eight pairs of antennas comprises:
a horizontal dipole antenna disposed on the first plane and at an edge of the fourth portion; and
a vertical dipole antenna disposed on a second plane perpendicular to the first plane at a distal end of the fourth portion, the distal end being farther from the center of the metal housing than a proximal end of the fourth portion;
a top antenna disposed on a top side of the first portion of the circuit board and within a first recessed region of the top sector, the first recessed region being formed by at least the top side of the first portion and the top portions of the eight sectors; and
a bottom antenna disposed on a bottom side of the first portion of the circuit board and within a second recessed region of the bottom sector, the second recessed region formed by at least the bottom side of the first portion and the top portions of the eight sectors, wherein the eight pairs of antennas, the top antenna, and the bottom antenna radiate electromagnetic energy in a first frequency range, wherein each of the eight sectors operates as a reflector chamber to (i) reflect electromagnetic energy, radiated by a horizontal orientation antenna of the respective pair, in a first directional radiation pattern in a direction along a center axis of the respective sector and (ii) radiate electromagnetic energy by a vertical orientation antenna in a second directional radiation pattern in the direction along the center axis of the respective sector, wherein the first recessed region operates as a reflector chamber to reflect electromagnetic energy, radiated by the top antenna, in a direction along a center axis of the first recessed region, wherein the second recessed region operates as a reflector chamber to reflect electromagnetic energy, radiated by the bottom antenna, in a direction along a center axis of the second recessed region.

US Pat. No. 10,560,126

MIXED-MODE MILLIMETER-WAVE TRANSMITTER

Mitsubishi Electric Resea...

1. A mixed-mode millimeter-wave transmitter comprising:a set of input ports to receive baseband samples of a signal to be transmitted on a set of disjoint frequency bands, each input port receives a sequence of baseband samples for transmission on a corresponding RF frequency band;
a set of filter banks, there is one filter bank for each input port, each filter bank includes a plurality of digital polyphase interpolation filters to sample a shifted phase of the corresponding sequence of baseband samples and to interpolate the sampled phases to produce a plurality of sequences of interpolated baseband phased samples with the shifted phase;
a set of oscillators banks, there is one oscillator bank for each filter bank, each oscillator bank includes a plurality of polyphase Digital Direct Synthesizer (DDS) corresponding to the plurality of digital polyphase interpolation filters to generate a plurality of sequences of samples of digital waveform, there is one sequence of samples of digital waveform for each of the interpolated baseband phased samples, wherein the sequence of samples of digital waveform is phase synchronized with the corresponding interpolated baseband phased samples, wherein an effective frequency of the digital waveform equals a RF sampling rate divided by the number of the plurality of interpolated baseband phased samples;
a set of mixer banks, there is one mixer bank for each filter bank, each mixer bank includes a plurality of parallel digital mixers to mix corresponding sequences of samples of digital waveform and interpolated baseband phased samples to up convert each sequence of interpolated baseband phased samples to the effective frequency;
a parallel digital combiner to combine in-phase sequences of interpolated baseband phased samples of different frequency bands to produce a plurality of sequences of multiband upconverted samples;
a pulse encoder to modulate and encode the plurality of sequences of multiband upconverted samples to produce a plurality of encoded multi-band signals;
a serializer to convert the plurality of encoded multi-band signals into a RF bitstream;
an analog mixer to upconvert the RF bitstream to a higher frequency signal pulse train signal using an analog signal source;
a power amplifier to amplify the RF bitstream;
a multi-band RF filter to filter the upconverted RF bitstream to produce an RF analog signal; and
at least one antenna to radiate the RF analog signal, wherein the analog mixer is arranged between the serializer and the power amplifier.

US Pat. No. 10,560,125

TECHNIQUES FOR DATA COMPRESSION

Intel Corporation, Santa...

1. A data processing device, comprising:a digital front end (DFE) circuitry configured to convert an antenna signal to digital data, wherein the digital data comprises a plurality of data symbols;
a baseband (BB) circuitry configured to process the digital data in baseband; and
a digital interface between the DFE circuitry and the BB circuitry,
wherein the DFE circuitry comprises a data compression circuitry configured to compress the plurality of data symbols for use in transmission via the digital interface to the BB circuitry,
wherein the data compression circuitry is configured to compress the plurality of data symbols based on a removal of an unused subcarrier and the removal of a cyclic prefix, the data compression circuitry utilizing an OFDM-symbol-aligned Fast Fourier Transform (FFT) window for data compression to substantially eliminate out-of-band spectral content for data transmission.

US Pat. No. 10,560,124

INTERLEAVER FOR TURBO CODES AS A FUNCTION OF THE PUNCTURING PATTERN

ORANGE, Paris (FR)

1. A method comprising:encoding an input digital message bearing K information symbols using a turbo-encoder forming a turbocode, the turbo-encoder comprising an interleaver and first and second encoders for encoding according to at least one elementary code and delivering said information symbols and redundancy symbols,
wherein, with a puncturing of the symbols delivered by the turbo-encoder being done according to at least one periodic puncturing pattern of a length N, defining the puncturing period, said interleaver distributes the information symbols of said input message into Q layers of the interleaved input message in complying with an interleaving function defined from said at least one puncturing pattern, according to the relationship:
?(i)=Pi+S(i mod Q)mod K=Pi+(Tl+AlQ)mod K with:i=0, . . . , K?1 being the position of an information symbol in said interleaved input message, in the interleaved order and ?(i) the position of said information symbol in said input message, in the natural order;
P an integer value co-prime with the length K of said input message, called an interleaver period;
S(i mod Q)=S(l)=Tl+AlQ are the parameters of adjustment of the interleaving function, with l=0, . . . , Q?1 the layer number;
Q a degree of disorder inserted into the interleaver, corresponding to the number of layers, such that Q=qN, with q?1 being an integer and Q being a divider of K;
Tl a value of inter-layer adjustment defined from said at least one puncturing pattern; and
Al a value of intra-layer adjustment.

US Pat. No. 10,560,123

METHOD FOR GENERATING A SEQUENCE FOR A POLA CODE AND MEDIUM THEREFOR AND METHOD AND APPARATUS FOR TRANSMITTING DATA USING THEREOF

Samsung Electronics Co., ...

1. A method for transmitting data using a polar code, the method comprising:generating a single polar code sequence for transmitting the data;
coding the data using the generated single polar code sequence; and
transmitting the polar-coded data,
wherein generating the single polar code sequence includes:
calculating an error rate for each polarized sub-channel available in a communication system corresponding to each code rate;
aligning each polarized sub-channel in order from a channel having a low error rate to a polarized sub-channel having a high error rate based on the error rate of the available polarized sub-channels for each code rate;
generating channel index sequences assigning an index to the polarized sub-channels aligned for each code rate; and
generating the single polar code sequence using the channel index sequence generated for each code rate, and,
wherein, the single polar code sequence is generated by:
sequentially inserting a channel index sequence having a lowest code rate among the each code rates into the single polar code sequence,
when a remaining region is present in the single polar code sequence, selecting the channel index sequence having the lowest code rate among remaining code rates, and
sequentially aligning subsequent channel index sequences in the selected channel index sequence.

US Pat. No. 10,560,122

MEMORY SYSTEM AND METHOD OF CONTROLLING NONVOLATILE MEMORY

Toshiba Memory Corporatio...

1. A memory system which can be connected to a host, comprising:a nonvolatile memory;
an encoder configured to encode at least a part of user data received from the host as an information word by a graph code;
an encode data holding unit configured to hold for-encoding data to be used when the encoder encodes the information word; and
a memory interface configured to write a code word subjected to the encoding into the nonvolatile memory,
wherein a check matrix of the graph code is a matrix whose upper tier is formed of first, second, and sixth submatrices and whose lower tier is formed of third to fifth submatrices, the sixth submatrix being an identity matrix,
wherein the encoder:
produces a first vector obtained by multiplying the information word and the first submatrix,
produces a second vector obtained by multiplying the information word and the third submatrix,
produces a third vector obtained by multiplying the first vector and the fifth submatrix inverted in sign,
produces a fourth vector obtained by adding the third vector and the second vector,
produces a first parity obtained by multiplying the fourth vector and the for-encoding data,
produces a fifth vector obtained by multiplying the first parity and the second submatrix inverted in sign,
produces a second parity obtained by adding the fifth vector and the first vector, and
wherein the memory interface writes the information word, the first parity, and the second parity as the code word into the nonvolatile memory, and
wherein the for-encoding data is data based on the second submatrix, the fourth submatrix, and the fifth submatrix.

US Pat. No. 10,560,121

TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD AND RECEPTION APPARATUS

PANASONIC CORPORATION, O...

1. A transmission method in a transmission apparatus using a light communication scheme and an encoding method of a low-density parity-check convolutional code (LDPC-CC) of a coding rate of ½ and a time-variant period of 3, the method comprising the steps of:obtaining a parity bit sequence from an information sequence including input data sequence and a bit sequence comprising a plurality of bits each bit having a value of 0, using first to third parity check polynomials that satisfy 0; and
transmitting, by a transmission circuitry in the transmission apparatus using the light communication scheme, a light communication signal generated by using the input data sequence and the obtained parity bit sequence, wherein:
the first parity check polynomial that satisfies 0 is represented by a first Equation of the following three Equations where
(a#1,1,1%3, a#1,1,2%3, a#1,1,3%3) is a combination of different values, and
(b#1,1%3, b#1,2%3, b#1,3%3) is a combination of different values;
the second parity check polynomial that satisfies 0 is represented by a second Equation of the following three Equations where
(a#2,1,1%3, a#2,1,2%3, a#2,1,3%3) is a combination of different values, and
(b#2,1%3, b#2,2%3, b#2,3%3) is a combination of different values;
the third parity check polynomial that satisfies 0 is represented by a third Equation of the following three Equations where
(a#3,1,1%3, a#3,1,2%3, a#3,1,3%3) is a combination of different values, and
(b#3,1%3, b#3,2%3, b#3,3%3) is a combination of different values;
the low-density parity-check convolutional code (LDPC-CC) is defined by periodical switching of the first to third parity check polynomials that satisfies 0 by the time-variant period of 3;

wherein:
Xj(D) is a polynomial representation of the information sequence Xj;
P(D) is a polynomial representation of the parity bit sequence;
a#k,1,1, a#k,1,2, and a#k,1,3 (where k=1, 2, 3) are integers (where a#k,1,1?a#k,1,2?a#k,1,3);
b#k,1, b#k,2, and b#k,3 (where k=1, 2, 3) are integers (where b#k,1?b#k,2?b#k,3); and
“c % d” indicates a remainder obtained by dividing c by d.

US Pat. No. 10,560,120

ELEMENTARY CHECK NODE PROCESSING FOR SYNDROME COMPUTATION FOR NON-BINARY LDPC CODES DECODING

UNIVERSITE DE BRETAGNE SU...

1. A decoder for decoding a signal encoded using an error correcting code, comprising:an input for receiving the encoded signal comprising at least three input message:
a check node processing unit being configured to process the at least three input messages delivered by at least one variable node processing unit, and to generate at least one output message, wherein the check node processing unit comprises:
a syndrome calculator configured to determine a set of syndromes from said at least three input messages using at least two elementary check node processors, each syndrome comprising a symbol, a reliability metric associated with said symbol, and a binary vector comprising at least one binary value;
a decorrelation unit configured to determine, in association with at least an output message, a set of candidate components from said set of syndromes, each candidate component comprising a symbol and a reliability metric associated with said symbol, said set of candidate components comprising one or more pairs of components comprising a similar symbol; and
a selection unit configured to determine at least an output message by selecting components comprising distinct symbols from the set of candidate components associated with said at least an output message;
an output for outputting the decoded signal comprising said at least an output message.

US Pat. No. 10,560,119

METHOD FOR PERFORMING ENCODING ON BASIS OF PARITY CHECK MATRIX OF LDPC CODE IN WIRELESS COMMUNICATION SYSTEM AND TERMINAL USING SAME

LG Electronics Inc., Seo...


generating encoded data, by the transmitting device, based on encoding the information with the determined parity check matrix; and
transmitting, by a transceiver of the transmitting device, the encoded data over the communication channel.

US Pat. No. 10,560,118

MULTIPLE LOW DENSITY PARITY CHECK (LDPC) BASE GRAPH DESIGN

Qualcomm Incorporated, S...

1. A method of low density parity check (LDPC) decoding, the method comprising:maintaining a plurality of LDPC base graphs, the plurality of LDPC base graphs comprising at least a first LDPC base graph associated with a first information block length range and a second LDPC base graph associated with a second information block length range, wherein the second information block length range comprises a subset of the first information block length range;
receiving a codeword over a wireless air interface from a transmitter;
selecting a select LDPC base graph from the plurality of LDPC base graphs for decoding the codeword based, at least in part, on an information block length associated with the codeword; and
decoding the codeword utilizing the select LDPC base graph to produce an information block comprising the information block length.

US Pat. No. 10,560,117

GROUPS OF PHASE INVARIANT CODEWORDS

Hewlett-Packard Developme...

1. A method of encoding a message, comprising:reading a message comprising a bit string of a first length;
dividing the message into a plurality of substrings, each substring having a second length shorter than the first length;
determining a phase invariant codeword associated with each substring; and,
generating a composite codeword comprising each phase invariant codeword.

US Pat. No. 10,560,116

PROBABILITY-BASED OPTIMIZATION OF SYSTEM ON CHIP (SOC) POWER

SEAGATE TECHNOLOGY LLC, ...

1. A method of designing a system on chip (SoC), comprising:for a total number of bits N of the SoC, calculating a minimum number of bits NP of the total number of bits N that can simultaneously switch states without producing an error across a complete warranty time period of the SoC;
carrying out power estimation calculations for the SoC using the calculated minimum number of bits NP; and
providing a power consumption value for the SoC based on an average power value for the minimum number of bits NP, to allow configuration of a power supply to be used in a system employing the SoC.

US Pat. No. 10,560,115

FLOATING POINT TO FIXED POINT CONVERSATION USING EXPONENT OFFSET

Imagination Technologies ...

1. A binary logic circuit for converting a number in floating point format having an exponent E of ew bits, an exponent bias B=2ew?1?1, and a significand comprising a mantissa M of mw bits into a fixed point format with an integer width of iw bits and a fractional width of fw bits, the binary logic circuit comprising:an offset hardware circuit configured to offset the exponent of the floating point number by an offset value equal to (iw?1?sy) to generate a shift value svof sw bits given by sv=(B?E)+(iw?1?sy), the offset value being equal to a maximum amount by which the significand can be left-shifted before overflow occurs in the fixed point format;
a right-shifter operable to receive a significand input comprising a formatted set of bits derived from the significand, the right-shifter being configured to right-shift the significand input by a number of bits equal to the value represented by k least significant bits of the shift value to generate an output result, where bitwidth[min(2ew?1?1, iw?1?sy)+min(2ew?1?2, fw)]?k?sw, where sy=1 for a signed floating point number and sy=0 for an unsigned floating point number.

US Pat. No. 10,560,114

ANALOG TO DIGITAL CONVERTERS WITH OVERSAMPLING

Avnera Corporation, Beav...

1. An analog-to-digital modulator for use at the output of an analog device, the analog-to-digital modulator comprising:a switched-capacitor loop filter including integrators, the integrators operable in a charging phase using a first clock phase and a dumping phase using a second clock phase non-overlapping with the first clock phase such that during the dumping phase at least some of the integrators are decoupled from the remaining integrators.

US Pat. No. 10,560,113

METHOD OF DETECTING USER INPUT IN A 3D SPACE AND A 3D INPUT SYSTEM EMPLOYING SAME

ZEROKEY INC., Calgary, A...

1. A position sensing apparatus for a hand, comprising:a plurality of first sensors positioned about joints of a wrist and one or more fingers of the hand, said sensors detecting angles of the respective joints;
a controller coupled to the first sensors and receiving angle detection data output therefrom;
a communication interface; and
a computing device communicating with the controller via the communication interface;
wherein the apparatus is configured for executing computer-executable code for:
calculating fingertip positions of at least one of the one or more fingers in a three-dimensional (3D) space using the angles detected by the first sensors;
generating one or more commands based on the calculated fingertip positions in the 3D space;
generating a virtual keyboard;
detecting at least one of the fingertips hitting a key of the virtual keyboard using a statistic estimation method; and
generating one or more keystrokes of the virtual keyboard based on the calculated fingertip positions in the 3D space;
wherein said detecting the at least one of the fingertips hitting the key of the virtual keyboard comprise:
determining parameters of a probability space of a hypothesis of “fingertip not hitting any key” and a probability space of a hypothesis of “fingertip hitting a key”; and
calculating a key-pressing threshold for determining the at least one of the one or more fingertips hitting a key of the virtual keyboard.

US Pat. No. 10,560,112

CAPACITOR ORDER DETERMINATION IN AN ANALOG-TO-DIGITAL CONVERTER

TEXAS INSTRUMENTS INCORPO...

1. A method, comprising:determining a respective differential nonlinearity most significant bit (DNL_MSB) error value for a first capacitor and a second capacitor in a capacitor array of an analog-to-digital converter (ADC);
determining a respective differential nonlinearity (DNL) error value for each of the plurality of capacitors based in part on the determined DNL_MSB error values;
determining a respective compensation error value for of the first and second capacitors, wherein the determination is based in part on a largest DNL_MSB value for the first and second capacitors;
determining an order of the first and second capacitors based on the respective DNL error value and the respective compensation error value; and
using, by the ADC, the first and second capacitors in the determined order during conversions of analog signals to digital codes.

US Pat. No. 10,560,111

NESTED CASCADED MIXED-RADIX DIGITAL DELTA-SIGMA MODULATOR

University College Cork-N...

1. A fractional-N frequency synthesizer comprising:a divider controller having a main nth order modulator and an auxiliary nth order modulator, wherein a noise shaping of the auxiliary nth order modulator is the same order as a noise shaping of the main nth order modulator, and wherein n is an integer value greater than one and the divider controller comprises a plurality of error feedback modulator stages connected in a two-level nested cascaded multi-stage noise shaping (MASH) digital delta-sigma modulator (DDSM) with a single error cancellation network.

US Pat. No. 10,560,110

PRECISION MICROWAVE FREQUENCY SYNTHESIZER AND RECEIVER WITH DELAY BALANCED DRIFT CANCELING LOOP

Giga-tronics Incorporated...

1. A signal converter comprising:a first mixer including an input for receiving a signal to be converted;
a second mixer including an output for providing said converted signal;
a variable oscillator for producing a signal (CS) variable at a first scale;
a splitter coupled to said first mixer and said second mixer to form a drift canceling loop, said splitter including an input coupled to receive said signal (CS) from said variable oscillator, a first output coupled to introduce said signal (CS) into said drift canceling loop along a first direction, and a second output coupled to introduce said signal (CS) into said drift canceling loop along a second direction opposite said first direction;
a delay device coupled between said second output of said splitter and an input of said second mixer;
a complementary delay device coupled between said first output of said splitter and an input of said first mixer, at least one of said delay device and said complementary delay device being adjustable;
a second variable oscillator for producing a signal (FS) variable at a second scale finer than said first scale; and
a third mixer coupled between said splitter and said first mixer and having an input coupled to receive said signal (FS) from said second variable oscillator; and wherein
said signal received by said first mixer is up-converted.

US Pat. No. 10,560,109

PHASED LOCKED LOOP INTEGRATED CIRCUIT

TEXAS INSTRUMENTS INCORPO...

1. An oscillator system, comprising:a first integrated circuit; and
a second integrated circuit, wherein the second integrated circuit and the first integrated circuit comprise a same circuitry;
wherein each of the first integrated circuit and the second integrated circuit comprises:
phase locked loop (PLL) circuitry;
voltage controlled oscillator (VCO) circuitry; and
interface circuitry;
wherein:
the PLL circuitry of the first integrated circuit is coupled to the VCO circuitry of the second integrated circuit; andthe interface circuitry of the first integrated circuit controls calibration of the VCO circuitry of the second integrated circuit;wherein the PLL circuitry comprises:
a reference signal input terminal;
a reference frequency divider circuit coupled to the reference signal input terminal;
a reference signal output terminal;
a switch coupled to the reference frequency divider circuit and to the reference signal output terminal, the switch configured to switchably connect the reference frequency divider circuit to the reference signal output terminal;
a phase detector coupled to the reference frequency divider circuit;
a charge pump coupled to the phase detector; and
a charge pump output terminal coupled to the charge pump.

US Pat. No. 10,560,108

APPARATUSES AND METHODS FOR DETECTING A LOOP COUNT IN A DELAY-LOCKED LOOP

Micron Technology, Inc., ...

1. An apparatus comprising:a delay-locked loop configured to synchronize clock signals internal to a memory with an externally received clock signal;
a measure controlled delay circuit configured to initialize the delay-locked loop by traversing the delay-locked loop with a reference clock to determine a variable delay amount; and
a loop counter coupled to a divided clock portion of the measure controlled delay circuit, the loop counter having a first section configured to count clock cycles on a first divided clock signal and a second section configured to count clock cycles on a second divided clock signal.

US Pat. No. 10,560,107

POWER SUPPLY POWER MANAGEMENT

Apple Inc., Cupertino, C...

1. A method of operating power management circuitry, the method comprising:providing a clock signal having a first frequency to a load circuit;
providing a load current into a load, the load comprising the load circuit;
detecting whether the load current exceeds a high current limit for a first duration;
in response to the load current exceeding the high current limit for the first duration, reducing the frequency of the clock signal to a second frequency, otherwise not reducing the frequency of the clock signal;
detecting whether an average of the load current exceeds an average current limit;
in response to the average load current exceeding the average current limit, reducing the frequency of the clock signal to the second frequency, otherwise not reducing the frequency of the clock signal;
while the frequency of the clock signal is the second frequency, detecting whether an output voltage provided to the load is below a first voltage threshold; and
in response to the output voltage being below the first voltage threshold, further reducing the frequency of the clock signal to a third frequency, otherwise not further reducing the frequency of the clock signal.

US Pat. No. 10,560,106

CLOCK RECOVERY CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AND RADIO FREQUENCY TAG

FUJITSU LIMITED, Kawasak...

1. A clock recovery circuit comprising:a delay line circuit configured to output a plurality of first clocks, which are periodic signals, having different phases obtained by delaying an input data signal which is a non-periodic data signal;
a register circuit configured to determine and write received data in the input data signal based on the first clocks;
a control circuit configured to control the writing of the data in the register circuit based on transitions of the input data signal; and
an oscillator configured to generate a second clock for consecutively reading and outputting the data written to the register circuit.

US Pat. No. 10,560,105

DELAY-LOCKED LOOP WITH LARGE TUNING RANGE

QUALCOMM Incorporated, S...

1. A delay-locked loop, comprising:a first delay line;
a second delay line;
a controller configured to select between the first delay line and the second delay line based upon a phase difference between a clock signal and a data signal, wherein the controller is further configured to select for the first delay line to delay the clock signal to form a delay-locked loop output clock signal responsive to the phase difference corresponding to a delay within a delay operating range for the first delay line and to select for the second delay line to delay the clock signal to form the delay-locked loop output clock signal responsive to the phase difference corresponding to a delay within a delay operating range for the second delay line;
a clock data recovery circuit configured to produce a control signal responsive to the phase difference between the clock signal and the data signal and to control a delay for the selected delay line responsive to the control signal; and
a demultiplexer configured to receive the control signal, wherein the controller is further configured to control the demultiplexer to demultiplex the control signal to the first delay line responsive to the selection of the first delay line by the controller and to demultiplex the control signal to the second delay line responsive to the selection of the second delay line by the controller.

US Pat. No. 10,560,104

CLOCK SYNCHRONIZATION APPARATUS AND METHOD

Intel Corporation, Santa...

1. An apparatus comprising:a clock multiplier to multiply an input clock by an integer;
a phase locked loop (PLL) coupled to the clock multiplier; and
a clock distribution network coupled to an input and output of the PLL, wherein the clock multiplier is to receive an input from a separate die, which includes a clock synchronization circuit.

US Pat. No. 10,560,103

FLUX-TUNABLE QUBIT DEVICE WITH MULTIPLE JOSEPHSON JUNCTIONS

1. A qubit device comprising:an inductor connected between a first circuit node and a second circuit node;
a first Josephson junction connected in parallel with the inductor between the first circuit node and the second circuit node; and
a second Josephson junction connected in parallel with the inductor between the first circuit node and the second circuit node,
wherein the qubit device is configured to receive, during operation of the qubit device, a magnetic flux that controls a qubit frequency of the qubit device, and the qubit frequency as a function of the magnetic flux comprises multiple flux sweet spots.

US Pat. No. 10,560,102

FIELD PROGRAMMABLE GATE ARRAY INCLUDING COUPLED LOOKUP TABLES

Google LLC, Mountain Vie...

1. A field programmable logic device comprising:a first logic block comprising a first lookup table; and
a second logic block comprising a second lookup table, wherein the first logic block is directly coupled to the second logic block,
wherein the first lookup table comprises a plurality of first memory cells, the second lookup table comprises a plurality of second memory cells, each first memory cell of the first lookup table is directly coupled to a corresponding second memory cell of the second lookup table,
wherein the first logic block is configured to pass, upon a clock cycle of the field programmable logic device, data about a lookup table configuration stored in the plurality of first memory cells of the first lookup table to the plurality of memory cells of the second lookup table, respectively, and
wherein the plurality of first memory cells and the plurality of second memory cells comprise D-type flip-flop registers.

US Pat. No. 10,560,101

COUNT VALUE GENERATION CIRCUIT, PHYSICAL QUANTITY SENSOR MODULE, AND STRUCTURE MONITORING DEVICE

Seiko Epson Corporation, ...

1. A count value generation circuit comprising:a first counter that counts edges of a reference signal in synchronization with an input signal to generate a first count value;
a time digital value generator that generates a time digital value corresponding to a phase difference between the reference signal and the input signal;
a count integrated value combiner that outputs a difference between an integer multiple of the first count value and the time digital value; and
a count value generator that generates a count value based on a difference between a first output value and a second output value output from the count integrated value combiner.

US Pat. No. 10,560,100

APPARATUSES AND METHODS INCLUDING CONFIGURABLE LOGIC CIRCUITS AND LAYOUT THEREOF

Micron Technology, Inc., ...

1. An apparatus, comprising:a first P-channel transistor;
a second P-channel transistor;
a first N-channel transistor;
a second N-channel transistor;
a first node coupled to a gate of the first P-channel transistor and a gate of the first N-channel transistor;
a second node coupled to a gate of the second P-channel transistor and a gate of the second N-channel transistor;
a third node coupled to a source of the first P-channel transistor;
a fourth node coupled to a drain of the first P-channel transistor and a source of the second P-channel transistor;
a fifth node coupled to a drain of the second P-channel transistor;
a sixth node coupled to a drain of the first N-channel transistor;
a seventh node coupled to a source of the first N-channel transistor and a drain of the second N-channel transistor; and
an eighth node coupled to a source of the second N-channel transistor;
wherein the second node, the third node, the fifth node, and the seventh node are arranged along a first line;
wherein the first node, the fourth node, the sixth node, and the eighth node are arrange along a second line, wherein the second line is parallel to the first line.

US Pat. No. 10,560,099

SEMICONDUCTOR APPARATUS USING SWING LEVEL CONVERSION CIRCUIT

SK hynix Inc., Icheon-si...

1. A semiconductor apparatus comprising:an input selection circuit configured to select one of a first input signal and a second input signal in response to a control signal and configured to output the selected input signal as a selection signal, wherein swing levels of the first input signal and the second input signal are different from one another; and
a conversion circuit configured to generate an output signal, in response to the selection signal, wherein the output signal swings to a level substantially identical to a level of the second input signal,
wherein the input selection circuit comprises:
a first input circuit configured to transfer the first input signal to an output circuit;
a second input circuit configured to transfer the second input signal to the output circuit based on the control signal; and
the output circuit configured to perform at least one of an inverting operation and a resistive feedback inverting operation on the first and second input signals, received from the first and second input circuits, based on the control signal and output a result of the operation as the selection signal.

US Pat. No. 10,560,098

MECHANICAL RESONATOR BASED CASCADABLE LOGIC DEVICE

KING ABDULLAH UNIVERSITY ...

1. An apparatus, comprising:a resonator, including a beam having a first fixed end, a second fixed end, and a length between the first and second fixed ends;
a first electrode and a second electrode aligned along a first side of the beam;
a third electrode and a fourth electrode aligned along a second side of the beam and opposite the first and second electrodes;
a DC voltage source coupled to one of the first and second fixed ends of the beam;
wherein at least one of the first, second, third, and fourth electrodes is coupled to a first AC voltage source so that a logic operation is performed by activating a second resonant mode of the resonator.

US Pat. No. 10,560,096

METHOD FOR DECREASING ENTROPY IN A QUANTUM SYSTEM

1. A method for decreasing entropy in a system comprising a target system having one or more target elements each having a first relaxation time, the target system having a set of target system energy levels, and a reset system having one or more reset elements each having a second relaxation time that is shorter than the first relaxation time, the reset system having a set of reset system energy levels, the system having a set of system energy levels that includes the possible combinations of target system energy levels and the reset system energy levels, the method comprising:iteratively, for a plurality of iterations:
applying a set of electromagnetic (EM) pulses to the system, the set of EM pulses effect swaps between the following pairs of system energy levels:
a first system energy level in which the reset system is in a lowest energy level of the set of reset system energy levels and the target system is in a first target system energy level that is not a lowest energy level of the set of target system energy levels, and
a corresponding second system energy level in which the reset system is in a highest energy level of the set of reset system energy levels and the target system is in a second target system energy level that is next lowest in energy after the first target system energy level; and
waiting a time period that is on the order of the second relaxation time and shorter than the first relaxation time to facilitate at least some of the reset elements of the reset system resetting from the highest energy state.

US Pat. No. 10,560,095

IMPEDANCE-BASED PHYSICAL UNCLONABLE FUNCTION

Analog Devices, Inc., No...

1. An apparatus for providing an impedance based physically unclonable function (PUF), comprising:a first pair of resistors electrically connected in a first current path, the first pair of resistors having a first impedance ratio;
a second pair of resistors electrically connected in a second current path, the second pair of resistors having a second impedance ratio;
an analog-to-digital converter (ADC), configured to generate a plurality of bits based on:
a first voltage signal from the first current path that indicates the first impedance ratio; and
a second voltage signal from the second current path that indicates the second impedance ratio; and
processing circuitry configured to generate a PUF value based on the plurality of bits.

US Pat. No. 10,560,094

ISOLATION MODULE FOR USE BETWEEN POWER RAILS IN AN INTEGRATED CIRCUIT

Intel Corporation, Santa...

1. A system comprising:a processor circuit;
a power converter circuit coupled to the processor circuit and configured to provide, to the processor circuit, regulated DC power supply signals including first and second voltage signals;
wherein the processor circuit comprises a semiconductor die, the semiconductor die including first and second power domains configured to receive the first and second voltage signals, respectively, and wherein the processor circuit further comprises a first integrated inductor circuit and a first integrated capacitor circuit;
wherein each of the first and second power domains includes at least one power rail, and wherein each of the power rails is configured to provide different power signals to respective consumer circuits, and
wherein a first power rail in the first power domain is coupled to a second power rail using the first integrated inductor circuit and the first integrated capacitor circuit.

US Pat. No. 10,560,093

SEMICONDUCTOR DEVICES

SK hynix Inc., Icheon-si...

1. A semiconductor device comprising:a first mode register configured to store a first selection termination control signal and a second selection termination control signal when a mode register write operation is performed;
a first termination circuit comprising an impedance value and configured to control the impedance value of the first termination circuit based on the first selection termination control signal and a termination control signal; and
a second termination circuit comprising an impedance value and configured to control the impedance value of the second termination circuit based on the second selection termination control signal and the termination control signal,
wherein the impedance values of the first and second termination circuits are controlled to be substantially equal to each other according to a logic level combination of the termination control signal.

US Pat. No. 10,560,092

CONTROL CIRCUIT FOR POWER SWITCH

STMICROELECTRONICS, INC.,...

1. A circuit for controlling a first plurality of transistors connected in parallel and a second plurality of transistors connected in parallel, wherein a conduction terminal of a respective one of the first plurality of transistors is coupled to form a node with a conduction terminal of a respective one of the second plurality of transistors, the circuit comprising:a first plurality of stages, a respective one of the first plurality of stages being configured to supply a first control signal to the gate of the respective one of the first plurality of transistors; and
a second plurality of stages, a respective one of the second plurality of stages being configured to supply a second control signal to the gate of the respective one of the second plurality of transistors, wherein an output current of the respective one of the first plurality of stages is regulated based on a difference between a first value representative of a sum of output currents of each stage of the first plurality of stages and a second value representative of a sum of set points assigned to the first plurality of stages, and wherein an output current of the respective one of the second plurality of stages is regulated based on a difference between a third value representative of a sum of output currents of each stage of the second plurality of stages and a fourth value representative of a sum of set points assigned the second plurality of stages.

US Pat. No. 10,560,091

SWITCH ASSEMBLY OF REACTIVE POWER COMPENSATION APPARATUS

LSIS CO., LTD., Anyang-s...

1. A switch assembly of a reactive power compensation apparatus, the switch assembly comprising:a support module;
a first switching module having a first stack structure perpendicular to the supporting module; and
a second switching module having a second stack structure perpendicular to the supporting module, the second switching module being connected in parallel with the first switching module,
wherein each of the first and second switching modules comprises:
a plurality of cooling plates stacked along a vertical direction with respect to the supporting module; and
a plurality of switches disposed between the plurality of cooling plates, and
wherein each of the plurality of cooling plates comprises: an engagement portion disposed on one side of an upper surface of each of the plurality of cooling plates to be located at a normal position by guiding the plurality of switches,
wherein the engagement portion comprises at least one or more engagement protrusions having a circular shape, and
wherein the at least one or more engagement protrusions are spaced apart by a radius of each of the plurality of switches from a center of each of the plurality of cooling plates.

US Pat. No. 10,560,090

ONE-WAY CONDUCTION DEVICE

NIKO SEMICONDUCTOR CO., L...

1. A one-way conduction device, having an input end and an output end, comprising:a first transistor, wherein the first end of the first transistor is coupled to the input end, and the second end of the first transistor is coupled to the output end; and
a driving circuit, including:
a first circuit, including a first conduction unit and a first resistor, wherein the first conduction unit is coupled between the input end and one end of the first resistor, and the other end of the first resistor is coupled to a reference voltage;
a second circuit, including a second conduction unit and a second resistor, wherein the second conduction unit is coupled between the output end and the second resistor, and the other end of the second resistor is coupled to the reference voltage; and
a detection circuit, coupled to a node between the first conduction unit and the first resistor, a node between the second conduction unit and the second resistor, and the third end of the first transistor;
wherein the driving circuit detects whether a current flows from the node between the first conduction unit and the first resistor to the node between the second conduction unit and the second resistor through the detection circuit, and accordingly turns on or turns off the first transistor to control the turning on and turning off of the one-way conduction device.

US Pat. No. 10,560,089

ELECTRONIC CIRCUIT WITH DEVICE FOR MONITORING A POWER SUPPLY

STMicroelectronics (Rouss...

1. An electronic circuit, comprising:a power supply node configured to receive a power supply voltage;
an output node; and
a device configured to monitor the power supply voltage comprising:
a band gap voltage generator core coupled to the power supply node and including a first node and a second node;
a control circuit connected to the first and second nodes of the band gap voltage generator core and configured to deliver, on the output node, a control signal having:
a first state when an increasing power supply voltage is below a first threshold;
a second state when the increasing power supply voltage becomes greater than or equal to the first threshold, the first threshold being greater than a band gap voltage; and
the first state when a decreasing power supply voltage falls below the first threshold; and
a voltage power supply module configured to supply the band gap voltage generator core at an intermediate node with a voltage derived from the power supply voltage, wherein the voltage power supply module includes a resistive module coupled between the power supply node and the intermediate node.

US Pat. No. 10,560,088

TOTEM-POLE CIRCUIT DRIVER

FUJI ELECTRIC CO., LTD., ...

1. A totem-pole circuit driver for driving a totem-pole circuit including a high-side power device and a low-side power device which are cascade-connected, the totem-pole circuit driver comprising:a high-side drive circuit which drives the high-side power device;
a low-side drive circuit which drives the low-side power device;
a pulse generation circuit which receives a high-side input logic signal that has a first edge and a second edge, and generates a set signal for turning on the high-side power device and a reset signal for turning off the high-side power device, based respectively on the first edge and the second edge;
a level shift circuit which transmits the set signal and the reset signal to the high-side drive circuit;
a high-side potential detection circuit which detects a high-side reference potential;
a high-side potential determination circuit which
compares a value of the high-side reference potential detected by the high-side potential detection circuit with a reference voltage, and
outputs an event signal upon detecting that the value of the high-side reference potential exceeds the reference voltage; and
an on-pulse stop circuit which receives a low-side input logic signal, and validates or invalidates the low-side input logic signal based on the high-side input logic signal and the event signal, wherein
when the high-side input logic signal is at a low level, by which the high-side power device is turned off, and upon receiving the event signal,
the pulse generation circuit regenerates the reset signal, and
the on-pulse stop circuit invalidates the low-side input logic signal and outputs a signal at a low level, by which the low-side power device is turned off.

US Pat. No. 10,560,087

PASSIVE LEAKAGE MANAGEMENT CIRCUIT FOR A SWITCH LEAKAGE CURRENT

GE Aviation Systems Limit...

1. A passive leakage management circuit for a switch leakage current comprising:a switch that includes an input electrically coupled with a source of alternating current (AC) and an output electrically coupled with an electrical load, and is operable in a first operating mode, wherein the output supplies an AC output current provided to the input and having a first AC voltage, and in a second operating mode, wherein the output supplies an AC leakage current from the input and having a second AC voltage lower than the first AC voltage;
a rectifying module electrically coupled with the switch output and that rectifies the AC output current to a direct current (DC) output current during the first operating mode and the second operating mode;
a first current path that receives the DC output current and includes a first transistor that conducts current along the first current path based on the switch output; and
a leakage current path that receives the DC output current and includes a second transistor that conducts current along the leakage current path based on the first transistor not conducting current;
wherein at least one of the first current path or leakage current path conducts current based on the switch output, without an additional power source beyond the switch output, and independent of the first or second operating mode of the switch, and wherein only one of the first current path or leakage current path conducts current when the switch is coupled with the source of alternating current.

US Pat. No. 10,560,086

FAULT AND SHORT-CIRCUIT PROTECTED OUTPUT DRIVER

Infineon Technologies Ame...

1. A method of driving a half-bridge, the method comprising:establishing a dead-zone, establishing the dead-zone comprising
applying a strong high-side turn-off current to a gate of a high-side transistor of the half-bridge during a first portion of a dead-zone time period,
applying a strong low-side turn-off current to a gate of a low-side transistor of the half-bridge during the first portion of the dead-zone time period,
applying a weak high-side turn-off current to the gate of the high-side transistor during a second portion of the dead-zone time period after the first portion of the dead-zone time period, and
applying a weak low-side turn-off current to the gate of the low-side transistor during the second portion of the dead-zone time period.

US Pat. No. 10,560,085

APPARATUSES FOR REDUCING OFF STATE LEAKAGE CURRENTS

Micron Technology, Inc., ...

1. An apparatus comprising:a switch including first through fourth transistors,
the first and second transistors configured to be in an off state when the switch is in the off state based on the first transistor controlled by a first reference voltage and the second transistor controlled by a second reference voltage,
the third and fourth transistors configured to be in a first conductive state when the switch is in the off state based on the third and fourth transistors controlled by a third reference voltage that is less than the first reference voltage and greater than the second reference voltage,
wherein the first reference voltage is coupled to a gate of the fourth transistor when the switch is in an on state, and
wherein the third reference voltage is coupled to the gate of the fourth transistor when the switch is in the off state.

US Pat. No. 10,560,084

LEVEL SHIFT CIRCUIT

Toshiba Memory Corporatio...

1. A level shift circuit comprising:a first PMOS transistor electrically connected at a gate to a first node to which a first signal having an amplitude to be a first power-supply potential is input, electrically connected to a second node at a source, and electrically connected at a drain to an output terminal from which a signal having an amplitude to be a second power-supply potential different from the first power-supply potential is output;
a first NMOS transistor electrically connected to the first node at a gate and is electrically connected to the output terminal at a drain;
a second PMOS transistor electrically connected to a third node at a gate, electrically connected to a node to be the second power-supply potential at a source, and electrically connected to the second node at a drain;
a third PMOS transistor electrically connected at a gate to a fourth node to which a second signal having an amplitude to be the first power-supply potential and being logical inversion of the first signal is input, electrically connected to a fifth node at a source, and electrically connected to the third node at a drain;
a second NMOS transistor electrically connected to the fourth node at a gate and electrically connected to the third node at a drain;
a fourth PMOS transistor electrically connected to the output terminal at a gate, electrically connected to the node to be the second power-supply potential at a source, and electrically connected to the fifth node at a drain; and
a potential adjusting circuit that is electrically connected to at least the second node, and
wherein the potential adjusting circuit is a charging circuit electrically connected to the second node,
the charging circuit includes a switch electrically inserted between the node to be the second power-supply potential and the second node,
the switch is maintained to be in an on state in a first time period from before a first timing at which the output terminal transitions from a first level to a second level to the first timing, and is maintained to be in an off state in a second time period following the first time period.

US Pat. No. 10,560,083

CONTROL DEVICE FOR POWER SUPPLY LINE

1. A control device to be arranged between two portions of an electrical power supply line, the device comprising:a bipolar transistor comprising a wide bandgap semiconductor material and having its emitter connected to one portion of the power supply line, its collector connected to another portion of the power supply line; and
a control circuit connected to the base of said transistor and configured to operate in an open loop without feedback.

US Pat. No. 10,560,082

PULSE WIDTH MODULATION CIRCUIT, CORRESPONDING DEVICE AND METHOD

STMicroelectronics S.r.l....

1. A circuit comprising:a first circuit block configured to receive a square wave input signal having rising and falling edges and to produce a triangular wave signal from the square wave input signal;
a second circuit block configured to receive a modulating signal and to produce a pulse width modulated signal by comparing the modulating signal with a carrier signal;
a switching circuit block coupled between the first circuit block and the second circuit block, wherein the switching circuit block comprises reference inputs configured to receive reference signals having upper and lower reference values, wherein the switching circuit block is selectively switchable between:
a carrier transfer setting in which the switching circuit block couples the first circuit block to the second circuit block to transfer the triangular wave signal as the carrier signal, and
a carrier forcing setting in which the switching circuit block applies to the second circuit block the reference signals by forcing the carrier signal to respective upper and lower reference values; and
a clock circuit block sensitive to the rising and falling edges of the square wave input signal, the clock circuit block configured to drive the switching circuit block to switch between the carrier transfer setting and the carrier forcing setting at the rising and falling edges of the square wave input signal.

US Pat. No. 10,560,081

METHOD, APPARATUS, SYSTEM FOR CENTERING IN A HIGH PERFORMANCE INTERCONNECT

Intel Corporation, Santa...

1. An interconnect apparatus, comprising:a clock signal generator to generate a clock signal;
a reference voltage shifter to:
shift a reference voltage of the clock signal by a first test voltage at an operational speed of the interconnect; and
shift the reference voltage by a second test voltage;
an error rate detector to:
measure an error rate of the first test voltage;
compare the error rate of the first test voltage to an error rate of the second test voltage; and
select an optimal test voltage; and
an operational voltage selector to select an operational reference voltage of the clock signal based at least in part on the optimal test voltage.

US Pat. No. 10,560,080

DUTY CYCLE CORRECTION

NXP B.V., Eindhoven (NL)...

1. A duty cycle correction circuit, comprising:an input stage to reduce rise time or fall time of an input signal;
an output stage amplifier to amplify an output signal from the input stage to a preselected voltage swing and a target common voltage, wherein an input of the output stage is coupled to a fix voltage reference; and
a feedback component including a feedback amplifier and a low pass filter to filter noise and to correct duty cycle of the signal from an output of the output stage amplifier.

US Pat. No. 10,560,079

CAPACITOR RATIO IDENTIFICATION

TEXAS INSTRUMENTS INCORPO...

1. A system comprising:an oscillator comprising a first switch, a current source, a capacitor, and a comparator, the capacitor and the comparator coupled at a node;
one or more delay buffers coupled to the comparator;
a first inverter coupled to the one or more delay buffers;
a first buffer coupled to the one or more delay buffers;
a first coupling capacitor coupled to the first inverter and the first buffer via second and third switches, respectively;
a second inverter coupled to the one or more delay buffers;
a second buffer coupled to the one or more delay buffers; and
a second coupling capacitor coupled to the second inverter and the second buffer via fourth and fifth switches, respectively,
wherein the first and second coupling capacitors are coupled to the oscillator.

US Pat. No. 10,560,078

ELECTRONIC DEVICE

SK hynix Inc., Gyeonggi-...

1. An electronic device comprising:a ramp signal generation block configured to generate a ramp signal on a basis of a ramp code signal;
a slope adjustment block configured to adjust a slope of the ramp signal so that the ramp signal has a second slope decreased by the first level from a first slope corresponding to an analog gain, on a basis of a gain code signal, the second slope corresponding to decreasing the first slope by the first level;
a first slope correction block configured to basically increase the slope of the ramp signal by the first level and optionally decrease the slope of the ramp signal in a range corresponding to the first level, on a basis of a first correction code signal; and
a second slope correction block configured to optionally increase the slope of the ramp signal by a second level on a basis of a second correction code signal,
wherein the second slope correction block includes at least one second resistor part electrically coupled in parallel to an output terminal of the ramp signal, and
the second resistor part reflects a second resistance value corresponding to the second level in the output terminal on the basis of the second correction code signal.

US Pat. No. 10,560,077

CR OSCILLATOR

TOSHIBA MEMORY CORPORATIO...

1. A CR oscillator comprising:a first logic inversion unit including odd-number stages of logic inversion elements connected in series;
a second logic inversion unit including odd-number stages of logic inversion elements connected in series, the second logic inversion unit being connected to a latter stage of the first logic inversion unit; and
two or more resistors and a capacitor connected in series between an output node of the first logic inversion unit and an output node of the second logic inversion unit,
wherein an electric potential in accordance with an electric potential of an intermediate node between the two or more resistors is supplied to an input node of the first logic inversion unit,
wherein the two or more resistors comprise a first resistor and a second resistor connected in series between the output node of the first logic inversion unit and one terminal of the capacitor,
the electric potential of the intermediate node is an electric potential of a connection node of the first resistor and the second resistor,
a ratio of a resistance value of the first resistor and a resistance value of the second resistor is set so that an electric potential of the input node of the first logic inversion unit is equal to or lower than a power-supply electric potential of the first logic inversion unit but equal to or higher than a ground electric potential of the first logic inversion unit, and
the ratio is set so that expressions (1) and (2) are established, wherein the ratio is X, the power-supply electric potential of the first logic inversion unit and the second logic inversion unit is V, and a threshold voltage of the first logic inversion unit is Vth:

US Pat. No. 10,560,076

FREQUENCY GENERATION IN A QUANTUM CONTROLLER

Quantum Machines, (IL)

1. A system comprising:a quantum controller comprising quantum control pulse generation circuitry, phase parameter generation circuitry, time-tracking circuitry, and signal generation circuitry, wherein:
the quantum control pulse generation circuitry is operable to generate a sequence of two quantum control pulses;
the phase parameter generation circuitry is operable to determine, based on an output of the time-tracking circuitry, a value of a phase parameter that corresponds to a phase of an oscillating signal relative to a reference time;
the signal generation circuitry is operable to:
at the reference time, begin generation of the oscillating signal at a first frequency for modulation of a first of the two quantum control pulses;
at a second time after the reference time, change the oscillating signal to a second frequency for modulation of the second quantum control pulse, wherein the phase of the oscillating signal at the second time is determined by the value of the phase parameter such that the phase of the oscillating signal is as it would have been if the oscillating signal had been oscillating at the second frequency continuously since the reference time.

US Pat. No. 10,560,075

FPGA CONFIGURED VECTOR NETWORK ANALYZER FOR MEASURING THE Z PARAMETER AND S PARAMETER MODELS OF THE POWER DISTRIBUTION NETWORK IN FPGA SYSTEMS

1. A method for measuring the phase of periodic variations of the voltage of a power supply domain of a programmable logic device containing configurable blocks powered from the power supply domain, comprising:configuring the programmable logic device to implement a current load generator that consumes a periodic varying electric current from a power supply domain the said periodic varying electric current having an activate feature and a frequency programming feature;
configuring the programmable logic device to implement a ring oscillator containing configurable blocks powered from said power supply domain;
configuring the programmable logic device to implement a phase and phase modulation measurement function for said ring oscillator;
programming a frequency value of said periodic varying electric current, activating said periodic varying electric current, measuring the phase and phase modulation of said ring oscillator, calculating the phase of the voltage variation of the power supply domain by computations including the measured phase and phase modulation of said ring oscillator.

US Pat. No. 10,560,074

SWITCHED CAPACITOR CIRCUIT AND METHOD THEREOF

REALTEK SEMICONDUCTOR COR...

1. A circuit comprising:a first capacitor configured to provide AC (alternate current) coupling between a first terminal and a first internal node;
a second capacitor configured to provide AC coupling between a second terminal and a second internal node;
a third capacitor configured to provide AC coupling between the first terminal and a third internal node;
a fourth capacitor configured to provide AC coupling between the second terminal and a fourth internal node;
a first resistor configured to provide DC (direct current) coupling between a first bias node and the first internal node;
a second resistor configured to provide DC coupling between the first bias node and the second internal node;
a third resistor configured to provide DC coupling between a second bias node and the third internal node;
a fourth resistor configured to provide DC coupling between the second bias node and the fourth internal node;
a switch of a first type configured to provide DC coupling between the first internal node and the second internal node in accordance with a first control signal;
a switch of a second type configured to provide DC coupling between the third internal node and the fourth internal node in accordance with a second control signal that is an inversion of the first control signal;
a first transmission gate configured to provide DC coupling between the first internal node and the third internal node in accordance with a third control signal and a fourth control signal that is an inversion of the third control signal; and
a second transmission gate configured to provide DC coupling between the second internal node and the fourth internal node in accordance with the third control signal and the fourth control signal.

US Pat. No. 10,560,073

METHOD FOR THE NON-LINEAR ESTIMATION OF A MIXTURE OF SIGNALS

THALES, Courbevoie (FR)

1. A method for the non-linear estimation of wireless signals from several sources, the time/frequency representation of which shows an unknown non-zero proportion of zero components, comprising:using a listening system comprising an antenna array having P>2 antennas to receive a signal at each of the antennas that results from no more than two mixed signals from separate sources for which the directional vectors U and V of the sources emitting the no more than two mixed signals are known or estimated;
transmitting the signal received at each of the antennas to a computing unit that is communicatively coupled to the antennas;
calculating, by the computing unit, successive discrete Fourier transforms of the signals received by the antennas and sampled to obtain a time-frequency P-vector grid of the signals received by the antennas, each element of the time-frequency P-vector grid providing a time-frequency representation of the signals received by the antennas for a respective time interval and a respective frequency interval and being referred to as a box and containing a complex vector X forming a measurement; and
for each box, calculating, from said box, by the computing unit, an estimation of a dual-source signal S=(s, c)T, s being a time-frequency representation of the signals received by the antennas and associated with a first source and c being a time-frequency representation of the signals received by the antennas and associated with a second source and (.)T being the transpose of (.) , ?=(?,?)T based upon an approximation of a conditional expectation estimator of the signals s and c such that the estimation utilizes, as an a priori information, knowledge that the signals s and c have a non-zero proportion of components equal to zero estimate values of non-zero components of s and c, a probability density of S being modeled as a mixture of centered Gaussians weighted by coefficients q1, q2, q3, q4 representing probabilities of four respective situations in each box which are: (1) presence of the first and second sources, (2) presence of the first source and absence of the second source, (3) absence of the first source and presence of the second source, and (4) absence of the first and second sources, this approximation being:

wherein (.)* is the conjugated transpose of the matrix (.),

wherein detQ1 det?1, detQ2 det?2, detQ3 det?3, and detQ4 det?4 are respectively equal to: (1?|U*V|2)?1 ?4/?12?22, ?2/?12, ?2/?22, and 1;
wherein 2?12, 2?22 are respectively power of the signal s associated with the first source and power of the signal c associated with the second source;
wherein 2?2 is power of noise presumed Gaussian, spatially, frequentially, and temporally white; andwherein M=(U V).

US Pat. No. 10,560,072

NON-FOSTER ACTIVE ANTENNA

The Boeing Company, Chic...

1. An antenna system comprising:an electrically-small antenna having an antenna feed, wherein the electrically-small antenna is configured to receive a signal;
a non-foster circuit having a negative capacitance coupled to the antenna feed in a shunt position, wherein the non-foster circuit is configured to:
resonate the electrically-small antenna, and
provide a voltage increase to the received signal; and
a buffer circuit configured to provide an impedance conversion of the voltage-increased received signal between the antenna feed and an output of the buffer circuit, wherein the buffer circuit comprises a field-effect transistor.

US Pat. No. 10,560,071

RADIO FREQUENCY SIGNAL ATTENUATOR AND METHOD OF OPERATION THEREOF

STMICROELECTRONICS SA, M...

1. An attenuator, comprising:a plurality of capacitors including a plurality of circuits coupled in series, wherein a respective circuit comprises:
a first capacitor connected between an input node of the respective circuit and an output node of the respective circuit, and
a second capacitor connected between the output node of the respective circuit and a reference node, wherein the output node of the respective circuit, other than a last circuit of the plurality of circuits, is connected to the input node of a successive circuit, and
a third capacitor directly connected between the output node of the last circuit and the reference node; and
a plurality of selectors, wherein the respective circuit is associated with a respective selector, wherein the respective selector is coupled between the output node of the respective circuit and an output node of the attenuator, wherein attenuation values of the attenuator depend only on the capacitance values of the plurality of capacitors.

US Pat. No. 10,560,070

FILTER CIRCUIT WITH PROGRAMMABLE GAIN AND FREQUENCY RESPONSE

Huawei Technologies Co., ...

1. A filter circuit for filtering an input signal, wherein the filter circuit comprises:a filter configured to receive the input signal, wherein the filter comprises:
a first current extraction circuit comprising a first current extraction transistor comprising a first base, wherein the first current extraction circuit is configured to extract a first output current signal from the input signal; and
a second current extraction circuit comprising a second current extraction transistor and a resistive element, wherein the second current extraction transistor comprises a second base and an emitter, wherein the first base is coupled to the second base, and wherein the emitter is coupled to the resistive element; and
a current mode programmable gain amplifier coupled to the filter and configured to:
receive the first output current signal;
amplify the first output current signal to obtain an amplified current signal; and
derive an output signal from the amplified current signal.

US Pat. No. 10,560,069

ELASTIC WAVE APPARATUS

MURATA MANUFACTURING CO.,...

1. An elastic wave apparatus comprising:a multilayer substrate including a plurality of wiring layers;
a plurality of filter devices disposed on the multilayer substrate and connected to a common node;
an antenna terminal to be connected to an antenna and to the common node;
a first inductor connected to the antenna terminal; and
a second inductor connected between one of the plurality of filter devices and the common node; wherein
the first inductor is disposed on at least one of the plurality of wiring layers;
the second inductor is disposed on a wiring layer which is different from the at least one of the plurality of wiring layers on which the first inductor is disposed; and
the first and second inductors overlap each other at least partially as viewed from above.

US Pat. No. 10,560,068

MULTIPLEXER

TAIYO YUDEN CO., LTD., T...

1. A multiplexer comprising:a first substrate having a first surface;
a second substrate having a second surface facing the first surface across an air gap;
a first filter including a plurality of first resonators, the plurality of first resonators being located on the first surface and connected between a common terminal and a first terminal;
a second filter including a plurality of second resonators, the plurality of second resonators being located on the second surface and connected between the common terminal and a second terminal, at least a part of a first resonator connected in series between the common terminal and the first terminal and closest to the common terminal among the plurality of first resonators overlapping in plan view with at least a part of a second resonator connected in series between the common terminal and the second terminal and closest to the common terminal among the plurality of second resonators, at least one of first resonators other than the first resonator closest to the common terminal of the plurality of first resonators not overlapping with the plurality of second resonators in plan view, at least one of second resonators other than the second resonator closest to the common terminal of the plurality of second resonators not overlapping with the plurality of first resonators in plan view.

US Pat. No. 10,560,067

BROADBAND PROBES FOR IMPEDANCE TUNERS

Maury Microwave, Inc., O...

12. A slab line impedance tuner system operable over a frequency bandwidth, the tuner system comprising:a slab line transmission including opposed slab conductor planes and a center conductor disposed between the slab conductor planes;
a probe;
a probe carriage carrying the probe;
a carriage drive system for moving the probe carriage in a longitudinal direction parallel to the center conductor;
a probe drive system for moving the probe in a transverse direction relative to the center conductor to position the probe closer to or further away from the center conductor; and
wherein the probe includes:
a tapered conductive probe section having a nominal length dimension along the longitudinal direction, wherein the tapered probe has a cross-sectional profile defining a trough configured to straddle the center conductor as the probe is moved transversely toward the center conductor;
wherein the probe section is supported for movement along the center conductor and in a direction transverse to the center conductor; and
wherein the nominal length dimension is sufficient to provide a desired characteristic impedance transformation for the frequency bandwidth, wherein the characteristic impedance of the tuner system is transformed continuously by the probe to intermediate impedance values to reach a target impedance value.

US Pat. No. 10,560,066

ELECTRONIC COMPONENT

Murata Manufacturing Co.,...

1. An electronic component comprising:a laminated body made up of a plurality of laminated insulator layers and having an upper surface and a bottom surface, the laminated body having a plurality of recesses formed on the bottom surface thereof;
a plurality of inner conductors disposed in the laminated body; and
a plurality of terminal electrodes electrically connected to the plurality of inner conductors and exposed from the laminated body, the plurality of terminal electrodes including first conductive parts formed on wall surfaces of the plurality of recesses, wherein
the plurality of recesses include a recess formed at a center of the bottom surface of the laminated body.

US Pat. No. 10,560,065

PIEZOELECTRIC RESONATOR MANUFACTURING METHOD AND PIEZOELECTRIC RESONATOR

MURATA MANUFACTURING CO.,...

1. A piezoelectric resonator comprising:a piezoelectric thin film;
a support substrate located at a back surface side of the piezoelectric thin film;
an adhesive layer located at a surface side of the support substrate that faces the back surface side of the piezoelectric thin film; and
a support layer that fixes the piezoelectric thin film to the support substrate so as to provide a space between the piezoelectric thin film and the support substrate; wherein
a corner portion of the support layer at a side of the support substrate, which is exposed to the space, includes a recess defined by a cut in the corner portion;
the support substrate includes an adhered portion at which the support layer and the support substrate are adhered to one another, and a non-adhered portion at which the support layer and the support substrate are not adhered to one another; and
a thickness of a portion of the adhesive layer located at the adhered portion is thinner than a thickness of another portion of the adhesive layer located at the non-adhered portion.

US Pat. No. 10,560,064

DIFFERENTIAL AMPLIFIER INCLUDING CANCELLATION CAPACITORS

TEXAS INSTRUMENTS INCORPO...

1. An operational amplifier input stage comprising:a differential amplifier comprising:
a pair of driver metal oxide semiconductor field effect transistors (MOSFETs);
a first current source including a first pair of bipolar junction transistors (BJTs);
a parasitic capacitor coupled to a voltage source and to a common emitter node, the common emitter node coupled to emitters of the BJTs in the second pair of BJTs; and
a translinear loop coupled to the first current source and including a second pair of BJTs, a first diode coupled to the second pair of BJTs, a first resistor coupled to the first diode, a second diode coupled to the first resistor, a third pair of BJTs coupled to the second diode, a third diode coupled to the third pair of BJTs, a second resistor coupled to the third diode, and a fourth diode coupled to the second resistor;
a transconductance linearization circuit, comprising:
a second current source comprising a fourth pair of BJTs, the fourth pair of BJTs in a cascoded configuration;
at least one translinear loop coupled to the second current source and comprising a plurality of BJTs; and
a BJT positioned between the at least one translinear loop and the first current source, a base of the BJT coupled to bases of the BJTs in the first pair of BJTs; and
a cancellation capacitor coupled to the second current source and to the common emitter node.

US Pat. No. 10,560,063

HIGH EFFICIENCY S-BAND AMPLIFIER

United States of America ...

1. A method of constructing an amplifier circuit, comprising:simulating an output of an amplifier device of the amplifier circuit over a range of impedances to yield a simulated maximum power and a simulated maximum power added efficiency at a particular frequency;
fabricating a plurality of output matching networks and input matching networks with impedances above and below the impedances that yield the simulated maximum power and simulated maximum power added efficiency;
empirically determining physical dimensions of an optimized output matching network and an optimized input matching network that result in actual impedances that provide an actual maximum power and maximum power added efficiency at the particular frequency;
coupling the optimized output matching network to an output of the amplifier device and coupling the optimized input matching network between an output of a driver circuit and an input of the amplifier device; and further comprising using a load pull to simulate the output of the amplifier device over the range of impedances to yield the simulated maximum power and the simulated maximum power added efficiency.

US Pat. No. 10,560,062

PROGRAMMABLE BIASING FOR PIN DIODE DRIVERS

MACOM Technology Solution...

1. A driver circuit comprising:a substrate on which the driver circuit is assembled;
a supply voltage contact configured to receive electrical power from a power source;
a boost converter connected to the supply voltage contact and configured to convert a first voltage received from the power source to a second voltage that is greater than the first voltage and to a third voltage that is less than the first voltage;
a low-dropout regulator configured to convert the second voltage to a fourth voltage; and
a programmable register configured to receive a digital signal and output a first control signal responsive to the received digital signal that alters at least the fourth voltage within a positive voltage range that is greater than zero volts.

US Pat. No. 10,560,061

LOW CAPACITANCE SWITCH FOR PROGRAMMABLE GAIN AMPLIFIER OR PROGRAMABLE GAIN INSTRUMENTATION AMPLIFIER

Analog Devices, Inc., No...

1. An analog switch circuit, comprising:a first pass FET, including a gate coupled to a first control signal input, a first conduction terminal coupled to a signal input, a second conduction terminal coupled to a signal output, and a first body, wherein a local first semiconductor region is insulated by an underlying insulator and from the first body by a lateral insulator so as to be capable of being switchably driven independently from the first body.

US Pat. No. 10,560,060

LINEAR CMOS PA WITH LOW QUIESCENT CURRENT AND BOOSTED MAXIMUM LINEAR OUTPUT POWER

Qorvo US, Inc., Greensbo...

1. A power amplifier (PA) system comprising:a transmit path configured to amplify an input radio frequency (RF) signal, the transmit path comprising:
a first tank circuit; and
a PA stage; and
control circuitry configured to:
detect a power level associated with the input RF signal;
control a quality factor (Q) of the first tank circuit based on a first function of the power level; and
control a first bias signal provided to the PA stage based on a third function of the power level;
wherein the first function and the third function of the power level are polynomial functions.

US Pat. No. 10,560,059

POWER AMPLIFIER MODULE

MURATA MANUFACTURING CO.,...

1. A power amplifier module comprising:an amplifier that amplifies an input signal and outputs an amplified signal from an output terminal;
a matching circuit disposed between the output terminal of the amplifier and a subsequent circuit;
a choke inductor, wherein a power supply voltage is applied to a first end of the choke inductor; and
a first attenuation circuit disposed between the output terminal of the amplifier and a second end of the choke inductor, the first attenuation circuit attenuating a second harmonic of the amplified signal, wherein:
the first attenuation circuit includes:
a first inductor, wherein a first end of the first inductor is connected to the output terminal of the amplifier and a second end of the first inductor is connected to the second end of the choke inductor, and
a first capacitor, wherein a first end of the first capacitor is connected to the second end of the first inductor and a second end of the first capacitor is grounded,
the matching circuit includes:
a second attenuation circuit that attenuates frequencies greater than a fundamental frequency of the amplified signal; and
a filter, and
the second attenuation circuit is a low pass filter,
the first attenuation circuit and the second attenuation circuit are not included as part of a chip of the amplifier.

US Pat. No. 10,560,058

METHOD OF EQUALIZING CURRENTS IN TRANSISTORS AND FLOATING CURRENT SOURCE

1. A current equalizing circuit comprising:a first supply voltage (VDD) and a second supply voltage (VSS);
a first P-channel Metal Oxide Silicon Field Effect Transistor (PMOSFET) having a first PMOSFET gate terminal coupled with a first node, a first PMOSFET source terminal coupled with VDD, and a first PMOSFET drain terminal coupled with a third node;
a second PMOSFET having a second PMOSFET gate terminal coupled with a fifth node, a second PMOSFET source terminal coupled with the third node, and a second PMOSFET drain terminal coupled with a fourth node;
a first N-channel Metal Oxide Silicon Field Effect Transistor (NMOSFET) having a first NMOSFET gate terminal coupled with a second node, a first NMOSFET source terminal coupled with VSS, and a first NMOSFET drain terminal coupled with the fourth node;
a second NMOSFET having a second NMOSFET gate terminal coupled with a sixth node, a second NMOSFET source terminal coupled with the fourth node, and a second NMOSFET drain terminal coupled with the third node;
a first regulating circuit comprising a first regulating circuit input port, and a first regulating circuit output port;
a second regulating circuit comprising a second regulating circuit input port, and a second regulating circuit output port;
wherein the first regulating circuit input port communicates with the third node, and wherein the first regulating circuit output port communicates with the first node and the fifth node; and
wherein the second regulating circuit input port communicates with the fourth node, and where in the second regulating circuit output port communicates with the second node and the sixth node.

US Pat. No. 10,560,057

MEASURING MEDIA ATTENTION OVER TIME BASED ON LONG TERM HETEROGENEOUS ARCHIVE DATA

Google LLC, Mountain Vie...

1. A computer-implemented method, comprising:receiving an indication that a user is interested in a subject matter based on an interaction by the user with a social network;
identifying instances of the subject matter in archived data stored at a repository;
determining one or more durations of time that the instances of the subject matter satisfy a newsworthy criterion;
determining an estimated duration of time that the subject matter will be of interest to the user based on one or more of the determined durations of time for which the instances of the subject matter satisfied the newsworthy criterion; and
providing subject matter-related content for consumption by the user based on the estimated duration of time, wherein the subject matter-related content comprises a social posting provided to a social stream of the social network.

US Pat. No. 10,560,056

SEMICONDUCTOR DEVICE

Semiconductor Energy Labo...

1. A semiconductor device comprising:a differential circuit;
a bias circuit configured to supply a bias current to the differential circuit;
a reference voltage generation circuit configured to output a reference voltage to the bias circuit;
a switch configured to control supply of a power supply voltage to the reference voltage generation circuit; and
a holding circuit configured to hold the reference voltage,
wherein the holding circuit comprises a first transistor and a capacitor,
wherein the bias circuit comprises a second transistor,
wherein the first transistor comprises an oxide semiconductor film comprising a channel formation region,
wherein one of a source and a drain of the first transistor is electrically connected to the reference voltage generation circuit,
wherein the other of the source and the drain of the first transistor is electrically connected to the bias circuit,
wherein the capacitor is electrically connected to the other of the source and the drain of the first transistor,
wherein the first transistor is configured to be turned off while the differential circuit operates and a current flows in the second transistor, and
wherein the switch is configured to stop the supply of the power supply voltage to the reference voltage generation circuit while the differential circuit operates and the current flows in the second transistor.

US Pat. No. 10,560,055

VOLTAGE MODE POWER COMBINER FOR RADIO FREQUENCY LINEAR POWER AMPLIFIER

Skyworks Solutions, Inc.,...

1. A radio frequency power combining amplifier circuit with a circuit input and a circuit output, comprising:a first amplifier connected to the circuit input and to a first bias input;
a first output matching network connected to an output of the first amplifier and to the circuit output, the first output matching network and the first amplifier being optimized for small signal linearity;
a second amplifier connected to the circuit input and to a second bias input, the first and second bias inputs being set such that, when a voltage of an input signal to the circuit input is at a first level, the first amplifier is on and the second amplifier is off and, when a voltage of the input signal is at a second level, the first amplifier is saturated and the second amplifier is on; and
a second output matching network connected to an output of the second amplifier and to the circuit output, the second output matching network and the second amplifier being optimized for maximum linear output power.