US Pat. No. 10,064,176

METHOD AND DEVICE FOR COMMUNICATION IN D2D UE OF TDD SYSTEM

SHANGHAI LANGBO COMMUNICA...

1. A method used in a user equipment that supports Device to Device transmission in Time Division Duplex system, comprising:receiving, by the user equipment, a downlink signaling to obtain a first configured frame structure, or determining, by the user equipment, the first configured frame structure by itself; and
transmitting, by the user equipment, a first D2D signaling to indicate the first configured frame structure;
wherein the first configured frame structure is one of TDD UL/DL frame structure #{0,1,2,3,4,5,6} of a service cell associated with the user equipment, or the first configured frame structure is configured as uplink frame structure.

US Pat. No. 9,930,667

METHOD AND DEVICE FOR COMMUNICATION ON UNLICENSED SPECTRUM IN UE AND BASE STATION

SHANGHAI LANGBO COMMUNICA...

1. A method for communication on an unlicensed spectrum in a UE, comprising:receiving a high layer signaling to obtain S and V, wherein the S is L configuration information, the V is N logical information, each of the configuration information comprises a carrier index and a working frequency band, and each of the logical information comprises at least one of the following:
a carrier logical index;
an antenna information, the antenna information comprising a transmission mode; and
a cross carrier information, the cross carrier information comprising a service cell index;
receiving a first DCI, the first DCI comprising a virtual index and a scheduling information; and
receiving a first PDSCH from the working frequency band of a first configuration information in a given sub frame according to the scheduling information of the first DCI;
wherein the first DCI complies with a configuration of a first logical information, the first logical information is that the carrier logical index of the V equals to one logical information of the virtual index of the first DCI; all the working frequency bands of the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than L, and the first configuration information is one of the following:
the configuration information among the S with the working frequency band including a transmission bandwidth of the first DCI; and
the configuration information among the S with the carrier index being equal to a physical index of the scheduling information of the first DCI.

US Pat. No. 9,980,306

UE DEVICE AND METHOD

Shanghai Langbo Communica...

1. A method used in UE, comprising:generating a discovery signal (DS) including configured information, wherein the configured information includes both of the following:
first information: whether U1 is in the coverage of a service cell or not; and
fourth information: an index of a time frequency resource block R1-included subframe among S candidate subframes, which are within a current time window and are used for the DS transmission;
transmitting the DS to another UE on the time-frequency resource block R1, so as to establish a Device-to-Device (D2D) communication connection;
wherein the U1 is the transmitter of the DS, or the U1 is the head of a D2D group in which the transmitter of the DS camps, the time window is a periodic and continuous time window which is maintained by the U1, the indexes of frames in the time window are from 0 to L?1, L is the maximum value of System Frame Number (SFN) plus 1, S is a positive integer not greater than 10 times of L, and the G_ID is an integer of the D2D group.

US Pat. No. 9,749,969

METHOD AND DEVICE FOR MULTIPLE-SERVING-CELL CONNECTIVITY FOR UE AND BASE STATION

Shanghai Langbo Communica...

1. A method for multiple-serving-cell connectivity in a UE, comprising:
Step A: receiving a downlink signaling of a first serving cell to obtain a first power control parameter;
Step B: transmitting a first PUCCH signal to the first serving cell with a first power in a first sub frame; and
Step C: transmitting a second PUCCH signal to a second serving cell with a second power in the first sub frame;
wherein the second power is a smaller value between a difference value and a second ideal power, the difference value is obtained
by subtracting the first power from a maximum total transmitting power; the first power is a transmitting power of the first
PUCCH signal without performing a power reduction, and the second ideal power is a transmitting power of the second PUCCH
signal without performing a power reduction; the power is a linear value; the first power control parameter comprises a configuration
parameter of the first power.

US Pat. No. 9,980,151

METHOD AND DEVICE FOR TRANSMISSION ON UNLICENSED SPECTRUM IN UE AND BASE STATION

Shanghai Langbo Communica...

1. A method for transmission on an unlicensed spectrum in a UE, comprising:Step A: receiving a higher layer signaling to obtain S and V, wherein the S is L configuration information, the V is N logical information, each of the configuration information comprises a carrier index and a working frequency band, and each of the logical information comprises at least one of the following:
a carrier logical index;
an antenna information, wherein the antenna information comprises a transmission mode; and
a cross carrier information, wherein the cross carrier information comprises a serving cell index;
Step B: receiving a first DCI, wherein the first DCI comprises a virtual index, a physical index and a scheduling information, and the scheduling information comprises a DMRS cyclic shift indication; and
Step C: transmitting a first uplink data from the working frequency band of a first configuration information in a given sub frame according to the scheduling information of the first DCI;
wherein, the first DCI complies with a configuration of a first logical information, the first logical information is that one logical information of the V with the carrier logical index being equal to the virtual index of the first DCI; all the working frequency bands of the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than L, and the first configuration information is that one configuration information of the S with the carrier index being equal to the physical index of the first DCI.

US Pat. No. 9,918,332

METHOD AND DEVICE FOR UE-BASE STATION COMMUNICATION BY USING UNLICENSED SPECTRUM

SHANGHAI LANGBO COMMUNICA...

1. A method adopting an unlicensed spectrum communication in a UE, comprising the following step:
step A: detecting a first physical layer signaling for scheduling a first carrier on a first sub frame of the first carrier,
and detecting a second physical layer signaling for scheduling the first carrier on a second sub frame of a second carrier;

step B: receiving a downlink physical layer data according to the first physical layer signaling; and
step C: transmitting a HARQ_ACK for the downlink physical layer data on a serving cell belonged to the second carrier;
wherein the first carrier is deployed on an unlicensed spectrum, the second serving cell is deployed on a licensed spectrum,
the first sub frame and the second frame are two different sub frames, and for the UE, the first carrier is self-scheduled
and cross-carrier scheduled;

wherein the serving cell belonged to the second carrier is a primary cell, the first sub frame is a latest downlink sub frame
in the downlink sub frame indicated by the HARQ_ACK, the UE detects and gets the first physical layer signaling in the first
sub frame, a generating parameter of PUCCH resource occupied by the HARQ_ACK comprises a first index; the first index is an
index of a first CCE occupied by the first physical layer signaling in PDCCH of the first sub frame of the first carrier,
or an index of a first eCCE occupied by the first physical layer signaling in a corresponding EPDCCH-PRB-set.

US Pat. No. 9,973,324

TRANSMISSION METHOD AND APPARATUS IN TDD-FDD JOINT SYSTEM

Shanghai Langbo Communica...

1. A transmission method used in UE for a TDD-FDD joint system, comprising:Step A: receiving a first DCI on the subframe n on a first carrier, wherein the first carrier is a FDD downlink carrier, n is an integer, and the first DCI is the uplink-scheduling DCI; and
Step B: transmitting the uplink data on PUSCH of a second carrier in the subframe n+k according to the scheduling of the first DCI, wherein the second carrier is a TDD carrier, k is the uplink scheduling delay of the uplink reference frame configuration of the second carrier on the subframe n;
wherein for frame configuration #{0, 1, 2, 3, 4, 5, 6}, the first DCI comprises ULI and DAI bits only when the uplink reference frame configuration is configuration #0.

US Pat. No. 9,973,245

LARGE-SCALE MIMO COMMUNICATION METHOD AND DEVICE IN BASE STATION AND UE

Shanghai Langbo Communica...

1. A large-scale Multiple Input Multiple Output (MIMO) communication method in a base station comprising:step A: transmitting a first signaling, wherein the first signaling indicates the configuration information of a first Reference Signal (RS), and the first RS comprises M RS ports; and
step B: receiving a second signaling, wherein the second signaling indicates M1 RS ports of the first RS;
wherein the M is a positive integer greater than 1, the M1 is a positive integer less than or equal to the M, and a transmitting cell of the first RS is a cell except a transmitting cell of the first signaling.

US Pat. No. 10,305,652

METHOD AND DEVICE FOR APERIODIC SRS IN UE AND DEVICE BASE STATION

Shanghai Langbo Communica...

1. A method for an aperiodic sounding reference signal (SRS) in a user equipment, comprising the following steps:Step A: receiving, by the user equipment, a higher layer signaling, wherein the higher layer signaling comprises L sets of configuration information, and one set of the L sets of configuration information comprising a configuration index and a frequency band;
Step B: receiving a downlink signaling, and the downlink signaling comprises a first index; and
Step C: transmitting a target SRS on a frequency band of a first configuration information, wherein the first configuration information is the one set of the L sets of configuration information with the configuration index equal to the first index in the L sets of configuration information;
wherein the downlink signaling is a physical layer signaling, frequency bands of the L sets of the configuration information are deployed on an unlicensed spectrum, configuration indexes of the L sets of configuration information are unique, configuration indexes are an integer, and the L is a positive integer.

US Pat. No. 10,412,748

ENHANCED CARRIER AGGREGATION SCHEDULING METHOD AND DEVICE IN USER EQUIPMENT AND BASE STATION

Shanghai Langbo Communica...

1. An enhanced carrier aggregation scheduling method in a UE, comprising the following steps:Step A: receiving a high layer signaling to determine K sets of configuration information, the K sets of configuration information correspond to K serving cells respectively, and the configuration information comprising a first index, a second index, a third index and the working frequency band information;
Step B: receiving a first signaling on a first serving cell, the first signaling comprising a fourth index and the scheduling information;
Step C: determining a second serving cell according to a first set of the configuration information and the fourth index of the first signaling, and transporting a wireless signal on the second serving cell according to the scheduling information of the first signaling;
wherein the first signaling is a physical layer signaling, the transporting is receiving or transmitting, the first serving cell and the second serving cell are respectively one of the K serving cells; the first set of the configuration information is the configuration information corresponding to the first serving cell, a second set of the configuration information is the configuration information corresponding to the second serving cell; Each of the first indexes of the K sets of the configuration information is unique; a number of bits of the third index is less than a number of bits of the first index; and the second set of the configuration information is one set of the configuration information in the K sets of the configuration information satisfying the following conditions:
a value of the second index equals to a value of the first index of the first set of the configuration information;
a value of the third index equals to a value of the fourth index of the first signaling.

US Pat. No. 10,485,009

METHOD AND DEVICE IN UE AND BASE STATION USD FOR WIRELESS COMMUNICATION

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) for wireless communication, comprising:receiving a first radio signal in a first time interval;
conducting blind decoding for the first radio signal in a second time interval, and receiving a second radio signal in a third time interval; and
receiving a third radio signal in a fourth time interval;
wherein the blind decoding for the first radio signal is used for recovering a first signaling, a multi-antenna related receiving for the second radio signal does not depend on the correct decoding of the first radio signal, the second radio signal and the third radio signal are transmitted by a same antenna port, the first signaling is used for determining first scheduling information, the first scheduling information is shared by the second radio signal and the third radio signal, the first scheduling information comprises at least one of {MCS (Modulation Coding Scheme), occupied time-frequency resource, retransmission procedure number, redundancy version, new data indicator, transmitting antenna port}, a end time of the second time interval is behind a start time of the third time interval, and the fourth time interval is behind the third time interval; and
wherein antenna ports used for transmitting the first radio signal, the second radio signal and the third radio signal are all related to a first reference signal spatially, the first reference signal is used for determining a multi-antenna related transmitting and receiving for the first radio signal, the second radio signal and the third radio signal; or, an antenna port used for transmitting the first radio signal is related to the first reference signal spatially, the same antenna port used for transmitting the second radio signal and the third radio signal are related to a second reference signal spatially, the first reference signal differs from the second reference signal, the first reference signal is used for determining the multi-antenna related transmitting and receiving for the first radio signal, and the second reference signal is used for determining the multi-antenna related transmitting for the second radio signal and the multi-antenna related transmitting and receiving for the third radio signal.

US Pat. No. 10,396,879

METHOD AND DEVICE IN UE AND BASE STATION USED FOR WIRELESS COMMUNICATION

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) for wireless communication, comprising:transmitting first information;
wherein the first information comprises at least the former two of {K first-type indexes, K1 first-type indexes, K first-type numerical values}, and the K1 first-type indexes are a subset of the K first-type indexes; the K first-type indexes are used for determining K antenna port groups respectively, and one antenna port group comprises a positive integer number of antenna ports; the UE can receive simultaneously radio signals coming from K1 antenna port groups, the K1 antenna port groups are a subset of the K antenna port groups, and the K1 first-type indexes are used for determining the K1 antenna port groups respectively; the K first-type numerical values are used for determining K channel qualities respectively, and the K channel qualities are one-to-one corresponding to the K antenna port groups; the K1 first-type indexes comprise at least one given first-type index, and a position of the given first-type index in the K first-type indexes is used for determining whether an antenna port group corresponding to the given first-type index belongs to the K1 antenna port groups; and the K is a positive integer greater than 1, and the K1 is a positive integer greater than 1 but not greater than the K.

US Pat. No. 10,484,067

METHOD AND DEVICE IN UE AND BASE STATION USED FOR WIRELESS COMMUNICATION

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) for wireless communication, comprising:receiving a target radio signal; and
transmitting first information on a target channel;
wherein a channel measurement for the target radio signal is used for triggering the transmission of the first information; the target channel is a first type of physical layer channel or a second type of physical layer channel; if the target channel is the first type of physical layer channel, the transmission of the first information on the target channel is counted into a number of transmission times of the first information; otherwise, the number of transmission times of the first information is unrelated to the transmission of the first information on the target channel; the number of transmission times of the first information, when reaching K, is used for triggering a transmission of a second information, different from the first information, to a high layer, wherein K is a positive integer.

US Pat. No. 10,484,143

METHOD AND DEVICE FOR SHORT-LATENCY COMMUNICATIONS IN UE AND BASE STATION

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) supporting short-latency radio communications, comprising:receiving K radio signal groups, K being a positive integer greater than 1;
transmitting a single uplink signaling related to correct decoding of the received K radio signal groups, the single uplink signaling comprising HARQ-ACK information; wherein:
the K radio signal groups are received in K time windows on a same carrier, and any two time windows of the K time windows are orthogonal in the time domain;
lengths of Enhanced Transmission Time Intervals (eTTIs) corresponding to the K radio signal groups correspond to K time lengths respectively, and any two time lengths of the K time lengths are not equal;
the HARQ-ACK information indicates whether a coding block in each of the K radio signal groups is correctly decoded;
the number of radio signals in the K radio signal groups are Q1, . . . , QK respectively, the Q1, . . . , QK being positive integers respectively; and
in the K radio signal groups that are associated with the uplink signaling, an eTTI length corresponding to a radio signal group transmitted earlier is greater than an eTTI length corresponding to a radio signal group transmitted later.

US Pat. No. 10,462,767

METHOD AND DEVICE IN UE AND BASE STATION USED FOR PAGING

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) for paging, comprising:monitoring a first signaling in X time intervals; and
receiving a first radio signal;
wherein X is a positive integer; the first signaling is used for determining scheduling information for the first radio signal; the scheduling information comprises at least one of {occupied time-frequency resource, adopted Modulation Coding Scheme (MCS), subcarrier spacing of subcarriers in occupied frequency domain resource}; the first radio signal carries a paging message; the frequency domain resource used for transmitting the first signaling belongs to a first subband; the first subband comprises a positive integer number of consecutive subcarriers in frequency domain; and at least one of {location of the first subband in frequency domain, subcarrier spacing of subcarriers included in the first subband} is used for determining the X time intervals.

US Pat. No. 10,498,520

TRANSMISSION METHOD AND APPARATUS IN TDD-FDD JOINT SYSTEM

Shanghai Langbo Communica...

1. A transmission method used in a User Equipment (UE) for a Time Division Duplex (TDD)-Frequency Division Duplex (FDD) joint system, comprising:Step A: receiving a first Downlink Control Information (DCI) on the subframe n on a first carrier, wherein the first carrier is an FDD downlink carrier, n is an integer, and the first DCI is the uplink-scheduling DCI; and
Step B: transmitting the uplink data on Physical Uplink Shared Channel (PUSCH) of a second carrier in the subframe n+k according to the scheduling of the first DCI, wherein the second carrier is a TDD carrier, k is the uplink scheduling delay of the uplink reference frame configuration of the second carrier on the subframe n;
wherein the first DCI includes two bits, being used as Uplink Index (ULI) only when the uplink reference frame configuration is configuration #0, while the first DCI does not include 2 bits being used as Downlink Assignment Index (DAI) when the uplink reference frame configuration is one of #0, #1, #2, #3, #4, #5, and #6.

US Pat. No. 10,484,157

UE SUPPORTING LOW-LATENCY WIRELESS COMMUNICATION, METHOD AND APPARATUS IN BASE STATION

SHANGHAI LANGBO COMMUNICA...

1. A method in a User Equipment (UE) supporting low-latency wireless communication, comprising:Step A: receiving a first signaling, the first signaling indicating at least one of the following:
first information: whether a target Reference Signal (RS) set is transmitted in a first Long Term Evolution (LTE) timeslot; and
second information: whether an RS pattern of the target RS set is a first pattern or a second pattern in a second LTE timeslot;
Step B: according to the indication of the first signaling, receiving the target RS set and a second data in the second LTE timeslot; and
Step B2 of Step B: according to the target RS set received in the second LTE timeslot, estimating a parameter of a wireless channel through which the second data passes;
wherein:
the target RS set comprises P RSs, P being a positive integer, and the P RSs are respectively mapped to P antenna ports;
the second data is transmitted by the P antenna ports;
the second LTE timeslot is an LTE timeslot that is behind the first LTE timeslot and continuous with the first LTE timeslot;
the first pattern is the RS pattern of the LTE downlink UE-specific Reference Signal (URS) in the LTE timeslot; and
the first information indicates that the target RS set is not transmitted in the first LTE timeslot, or the second information indicates that the RS pattern of the target RS set is the second pattern in the second LTE timeslot.