US Pat. No. 10,143,037

MILLIMETER WAVE WIRELESS SYSTEMS USING LICENSED AND UNLICENSED FREQUENCY SPECTRUM

Phazr, Inc., Allen, TX (...

1. A radio base station, comprising: a transmitter configured to transmit in the downlink direction a first millimeter wave band signal in a licensed frequency spectrum at a high transmit equivalent isotropically radiated power (EIRP), the transmitter comprising: a first signal processing circuit configured to generate the first millimeter wave band signal: a power amplifier configured to amplify the first millimeter wave band signal; a high gain transmit antenna array configured to transmit the first millimeter wave band signal; a receiver configured to receive from the uplink direction a second millimeter wave band signal in an unlicensed frequency spectrum at a high receive gain, the receiver comprising: a high receive gain antenna array configured to receive the second millimeter wave band signal; a low noise amplifier configured to amplify the second millimeter wave band signal; a second signal processing circuit configured to process the second millimeter wave band signal.

US Pat. No. 10,057,898

DOWNLINK AND UPLINK DATA MULTIPLEXING ON WIDELY SPACED FREQUENCIES IN WIRELESS BROADBAND COMMUNICATION SYSTEM

Phazr, Inc., Allen, TX (...

1. A method of multiplexing downlink and uplink data packets in widely spaced frequencies for providing wireless broadband link between a base station and a plurality of client devices, comprising:transmitting a first data packet by the base station to a first client device at a downlink frequency f1 during a first time interval, wherein the base station does not receive data packets from the first client device during the first time interval;
receiving a second data packet by the base station from a second client device at an uplink frequency f2 during a second time interval, wherein the base station does not transmit data packets to the second client device during the second time interval;
concurrently transmitting, by the base station at least a portion of the first data packet to the first client device on the downlink frequency f1 and receiving at least a portion of the second data packet from the second client device on the uplink frequency f2, wherein there is a wide separation between the downlink frequency f1 and the uplink frequency f2, wherein the downlink frequency f1 is greater than the uplink frequency f2, and wherein the downlink frequency f1 is in the millimeter wave band and wherein the uplink frequency f2 is less than 7 GHz, and wherein there is no overlap between the downlink frequency f1 and the uplink frequency f2.

US Pat. No. 10,143,036

MILLIMETER WAVE WIRELESS SYSTEM USING LICENSED AND UNLICENSED FREQUENCY SPRECTRUM

Phazr, Inc., Allen, TX (...

1. A communications device, comprising: a transmitter configured to transmit in an uplink direction a first millimeter wave band signal in an unlicensed frequency spectrum at a low transmit equivalent isotropically radiated power (EIRP), the transmitter comprising: a first signal processing circuit configured to generate the first millimeter wave band signal; a power amplifier configured to amplify the first millimeter wave band signal; a low gain transmit antenna array configured to transmit the first millimeter wave band signal; a receiver configured to receive from the downlink direction a second millimeter wave band signal in a licensed frequency spectrum at a low receive gain, the receiver comprising: a low receive gain antenna array configured to receive the second millimeter wave band signal; a low noise amplifier configured to amplify the second millimeter wave band signal; a second signal processing circuit configured to process the second millimeter wave band signal.

US Pat. No. 10,129,070

METHODS AND SYSTEMS FOR CORRECTION OF CARRIER FREQUENCY OFFSET (CFO) IN WIRELESS TRANSCEIVERS

Phazr, Inc., Allen, TX (...

1. A method of correcting carrier frequency offsets (CFOs) in a wireless transceiver configured to transmit and receive RF signals on multiple signal paths, wherein the CFOs are generated on the multiple signal paths during up-conversion and down-conversion, comprising:receiving a first predetermined number of data packets on a first signal path;
analyzing the first predetermined number of data packets to determine one or more wireless link quality metrics on the first signal path;
selecting a first local oscillator adjustment strategy for the first signal path;
adjusting a first local oscillator associated with the first signal path in accordance with the first local oscillator adjustment strategy;
receiving a second predetermined number of data packets on the first signal path;
analyzing the second predetermined number of data packets to determine the one or more wireless link quality metrics on the first signal path;
repeating the first local oscillator adjustment strategy if the wireless link quality metrics improve on the first signal path and adjusting the first local oscillator in accordance with the first local oscillator adjustment strategy;
changing to a second local oscillator adjustment strategy if the wireless link quality metrics worsen on the first signal path and adjusting the first local oscillator associated with the first signal path in accordance with the second local oscillator adjustment strategy;
receiving a third predetermined number of data packets on the first signal path;
analyzing the third predetermined number of data packets to determine the one or more link quality metrics on the first signal path;
repeating the second local oscillator adjustment strategy if the wireless link quality metrics improve on the first signal path and adjusting the first local oscillator associated with the first signal path in accordance with the second local oscillator adjustment strategy;
changing to the first local oscillator adjustment strategy if the wireless link quality worsen on the first signal path and adjusting the first local oscillator in accordance with the first local oscillator adjustment strategy,
receiving a first predetermined number of data packets on a second signal path;
analyzing the first predetermined number of data packets to determine one or more wireless link quality metrics on the second signal path;
selecting a first local oscillator adjustment strategy for the second signal path;
adjusting a second local oscillator associated with the second signal path in accordance with the first local oscillator adjustment strategy;
receiving a second predetermined number of data packets on the second signal path;
analyzing the second predetermined number of data packets to determine the one or more wireless link quality metrics on the second signal path;
repeating the first local oscillator adjustment strategy if the wireless link quality metrics improve on the second signal path and adjusting the second local oscillator in accordance with the first local oscillator adjustment strategy;
changing to a second local oscillator adjustment strategy if the wireless link quality metrics worsen on the second signal path and adjusting the second local oscillator associated with the second signal path in accordance with the second local oscillator adjustment strategy;
receiving a third predetermined number of data packets on the second signal path;
analyzing the third predetermined number of data packets to determine the one or more link quality metrics on the second signal path;
repeating the second local oscillator adjustment strategy if the wireless link quality metrics improve on the second signal path and adjusting the second local oscillator in accordance with the second local oscillator adjustment strategy;
changing to the first local oscillator adjustment strategy if the wireless link quality worsen on the second signal path and adjusting the second local oscillator in accordance with the first local oscillator adjustment strategy,
wherein CFOs are corrected by improving the link quality metrics on the multiple signal paths.

US Pat. No. 10,194,327

5G RADIO SYSTEM USING SUB-7 GHZ SPECTRUM FOR UPLINK AND MILLIMETER WAVE SPECTRUM FOR DOWNLINK

Phazr, Inc., Allen, TX (...

1. A method of communication by a wireless communication device, comprising: receiving millimeter wave band downlink signals having an OFDM subcarrier spacing within a range of 120 KHz and 480 KHz, wherein the downlink signals are received in the millimeter wave band only; and transmitting sub-7 GHz band uplink signals having an OFDM subcarrier spacing within a range of 15 KHz and 60 KHz, wherein the uplink signals are transmitted in the sub-7 GHz band only, wherein the bandwidth of the millimeter wave downlink signals is greater than the bandwidth of the sub-7 GHz band uplink signals; wherein the sub-7 GHz band downlink uplink signals have a bandwidth greater than 20 MHz and less than 100 MHz and the millimeter wave band downlink signals have a bandwidth within a range of 200 MHz and 500 MHz range.

US Pat. No. 10,044,111

WIDEBAND DUAL-POLARIZED PATCH ANTENNA

Phazr, Inc., Allen, TX (...

1. A wideband dual-polarized patch antenna comprising:a ground plane layer;
a first dielectric substrate layer disposed on the ground plane layer;
a first radiator patch disposed on the first dielectric substrate layer;
a second dielectric substrate layer disposed on the first radiator patch;
a second radiator patch disposed on the second dielectric substrate layer;
a third radiator patch disposed on the third dielectric substrate layer;
a plurality of arc-shaped conductive loading elements disposed on at least one of the dielectric substrate layers, the arc-shaped conductive loading elements encircling at least one of the radiator patches and positioned spaced from the radiator patches; and
first and second feed lines electrically connected to at least one of the radiator patches and to the ground plane, the first and second feed lines configured to excite the antenna in two separate directions.

US Pat. No. 9,876,525

PORTABLE MILLIMETER-WAVE COMMUNICATIONS DEVICE

Phazr, Inc., Allen, TX (...

1. A module configured to convert a portable wireless communications device to a millimeter-wave wireless communications device,
the module comprising:
a plurality of millimeter-wave antennas configured to receive millimeter-wave signals;
at least one low-noise amplifier (LNA) configured to amplify the received millimeter-wave signals;
a down-conversion circuit configured to down-convert the amplified millimeter-wave signals to sub-6 GHz signals;
a plurality of coupling antennas configured to couple the down-converted sub-6 GHz signals to a plurality of second antennas
inside the portable communications device.

US Pat. No. 10,320,052

WIRELESS DEVICE WITH FLEXIBLE NECK

Phazr, Inc., Allen, TX (...

1. A wireless device, comprising:a broadband router comprising:
first and second transceivers;
a base; and
a flexible neck having an elongated body and a first end connected to the broadband router and a second end connected to the base, wherein the flexible neck supports and retains the broadband router in a selected position in relation to the base, and wherein the flexible neck provides a pathway for electrically connecting the broadband router to the base to supply electrical power to the broadband router.

US Pat. No. 10,277,388

PORTABLE MILLIMETER-WAVE COMMUNICATIONS DEVICE

Phazr, Inc., Allen, TX (...

1. A wireless communications device comprising:a plurality of millimeter wave band antennas configured to receive millimeter wave band downlink signals when the communications device is in a receive mode;
at least one low-noise amplifier (LNA) configured to amplify the millimeter wave band downlink signals;
a down conversion circuit configured to down-convert the amplified millimeter wave band downlink signals to sub-6 GHz signals;
a sub-6 GHz processing circuit configured to process the down converted sub-6 GHz signals; and
a plurality of sub-6 GHz antennas configured to transmit sub-6 GHz band uplink signals when the communications device is in a transmit mode, wherein the millimeter wave band downlink signals are separated from the sub-6 GHz signals by at least 10 GHz.

US Pat. No. 10,172,018

WIRELESS SYSTEMS AND METHODS USING MILLIMETER WAVE BAND SIGNALS WITH ASYMMETRIC DIRECTIVITY

Phazr, Inc., Allen, TX (...

1. A wireless communication system using asymmetric directivity signals, comprising:a base station configured to transmit millimeter wave band low directivity downlink signals having a wide beamwidth in separate time slots in a shared frequency channel;
a plurality of communication devices configured to receive the millimeter wave band low directivity downlink signals in the shared frequency channel;
the plurality of communication devices each configured to transmit millimeter wave band high directivity uplink signals having narrow beamwidth in different respective frequency channels,
the base station configured to receive the millimeter wave band high directivity uplink signals having narrow beamwidth in the respective frequency channels.

US Pat. No. 10,326,519

COMMUNICATIONS SYSTEM BRIDGING WIRELESS FROM OUTDOOR TO INDOOR

Phazr, Inc., Allen, TX (...

1. A wireless communications system comprising:an outside module configured to receive downlink signals in a millimeter wave frequency band, the outside module including a wireless power receiver;
an inside module separated from the outside module by a separation medium and configured to wirelessly communicate with the outside module and to communicate with a communications device, the inside module including a wireless power transmitter configured to wirelessly transmit power to the outside module, wherein the outside module is powered by wireless power transfer, and wherein the inside module communicates with the communications device at a second frequency band, and wherein the millimeter wave frequency band is separated from the second frequency band by at least 10 GHz.

US Pat. No. 10,326,522

METHODS AND SYSTEMS FOR WIRELESS COMMUNICATIONS USING AUXILIARY BASE STATIONS

Phazr, Inc., Allen, TX (...

1. A method of wireless communication, comprising:receiving a plurality of first downlink signals at a first radio base station, wherein the plurality of first downlink signals each has a different frequency;
down-converting the plurality of first downlink signals to a plurality of second downlink signals, wherein the plurality of second downlink signals having a same frequency;
transmitting the plurality of second downlink signals to associated user equipments (UEs);
receiving at the first radio base station a primary synchronization signal (PSS) and secondary synchronization signal (SSS) from the first downlink signals; and
synchronizing a time division duplex (TDD) timing of the first radio base station with a TDD timing of a second radio base station using the PSS and SSS.

US Pat. No. 10,320,463

SYSTEMS AND METHODS FOR DIGITAL AND ANALOG BEAMFORMING IN WIRELESS COMMUNICATIONS

Phazr, Inc., Allen, TX (...

1. A communication system comprising:a radio base station configured to transmit and receive signals using digital beamforming, wherein the radio base station does not apply analog beamforming; and
a wireless communication device configured to transmit and receive signals using analog and digital beamforming, wherein the wireless communication device comprises:
a plurality of antenna arrays configured to receive the signals;
a plurality of first modules configured to form beams in the analog domain by measuring signal and channel quality metrics from the received signals and calculating gain and phase adjustment values, the first modules adjusting the gain and phase of the received signals; and
a second module configured to form beams in the digital domain by generating digital weights and applying the digital weights to the gain and phase adjusted received signals.

US Pat. No. 10,277,253

HIGH PERFORMANCE DATA REDUNDANCY AND FAULT TOLERANCE

PhazrIO Inc., Los Angele...

1. A method, comprising:determining, by a computing system, bit-width of processing capability of the computing system;
determining, based on the bit-width, a number of bits for representing a respective data element from a data stream;
determining a number of data elements based on a dimension of a generator matrix of erasure encoding;
obtaining the number of data elements from the data stream, wherein a respective obtained data element is represented by the determined number of bits;
converting a respective obtained data element to a corresponding numerical representation; and
generating a code word of erasure encoding from the numerical representations based on the generator matrix of the erasure encoding, wherein the code word comprises a plurality of coded fragments.

US Pat. No. 10,264,414

ASYNCHRONOUS COMMUNICATION DEVICE FOR PROVIDING WIRELESS BROADBAND LINK BETWEEN BASE STATION AND PLURALITY OF CLIENT DEVICES

Phazr, Inc., Allen, TX (...

1. A wireless broadband device for providing wireless broadband link between a base station and a plurality of client devices in a wireless communication network, comprising:a receiver configured to operate at a millimeter wave band to receive a first data packet in a first time interval and receive a second data packet in a second time interval from the base station;
a transceiver configured to operate at a second frequency band and operable to transmit the first data packet to a first client device in a third time interval and to transmit the second data packets to a second client device in a fourth time interval, the millimeter wave band having at least a 2 GHz separation from the second frequency band;
the transceiver configured to receive a third data packets from the first client device in a fifth time interval and receive a fourth data packet from the second client device in a sixth time interval;
the transceiver operable to transmit the third data packet in a seventh time interval to the base station and transmit the fourth data packet in an eighth time interval to the base station,
wherein at least one of the time intervals for transmitting the data packets overlaps with at least one of the time intervals for receiving the data packets.

US Pat. No. 10,263,684

WIRELESS SYSTEM USING DIFFERENT BANDS IN THE TRANSMIT AND RECEIVE DIRECTION AND APPLYING FREQUENCY SHIFTS FOR BANDWIDTH EXPANSION

Phazr, Inc., Allen, TX (...

1. A wireless access point configured to communicate in millimeter wave frequency bands in the downlink direction and in sub-6 GHz frequency bands in the uplink direction, comprising:a multiple input multiple output (MIMO) transmit antenna array configured to operate in the millimeter wave frequency bands;
a multiple input multiple output (MIMO) receive antenna array configured to operate in the sub-6 GHz frequency bands;
a signal processing circuit configured to generate a plurality of transmit signals of different spatial streams;
a frequency shift circuit configured to apply different frequency shifts to transmit signals of different spatial streams; and
a mixer driven by a local oscillator, the mixer configured to up-convert the frequency shifted signals to millimeter wave frequency band signals,
wherein the millimeter wave frequency band signals are transmitted by the MIMO transmit antenna array, and wherein zero frequency-shift is applied to signals received by the MIMO receiver antenna array.

US Pat. No. 10,264,222

WINDOW-INSTALLED WIRELESS COMMUNICATIONS DEVICE

Phazr, Inc., Allen, TX (...

1. A wireless communication device configured for installation on a building window, comprising:an exterior unit and an interior unit separated by the window;
the exterior unit including:
an exterior-facing camera operable to acquire video; and
a first wireless transceiver configured to receive downlink signals from a radio base station outside the building using a millimeter wave band;
the interior unit including:
an interior-facing monitor; and
a second wireless transceiver configured to communicate with a plurality of communication devices inside the building using a 4G LTE or Wi-Fi band,
wherein the exterior-facing camera and interior-facing monitor are integrated into the wireless communication device, and
wherein the acquired video is digitally encoded and transmitted to the monitor and displayed by the monitor in real-time.