Patents Assigned to Phazr, Inc.
  • Patent number: 10834659
    Abstract: A method for determining a route from a mesh network to an external network includes identifying route segments from a user equipment (UE) to the external network. The route segments comprise at least a first route segment from the UE to a first mesh access point (AP), a second route segment from the first mesh AP to the external network through a wide area cellular wireless network (WACWN), and a third route segment from the first mesh AP to the external network through an alternative network. The method further includes determining respective bandwidth of at least the first, second and third route segments and selecting the route based on the bandwidth of the first, second and third route segments, wherein the route comprises at least two of the route segments. The method also includes routing data between the UE and the external network via the selected route.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: November 10, 2020
    Assignee: Phazr, Inc.
    Inventors: Robert Clark Daniels, Farooq Khan, Pravir Patel
  • Patent number: 10784935
    Abstract: A wireless transmitter includes a signal processing circuit configured to generate a plurality of first and second spatial streams signals. The transmitter includes a frequency shift circuit configured to selectively apply different frequency shifts to the first and second spatial streams signals. A wireless receiver includes a frequency shift circuit configured to selectively apply different frequency shifts to the received first and second spatial streams signals. The receiver also includes a signal processing circuit configured to process the first and second frequency shifted signals.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 22, 2020
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Robert Clark Daniels, Khurram Muhammad, Eran Pisek, Paul Gilliland, Khalil Haddad
  • Patent number: 10701755
    Abstract: A method for wireless communication includes transmitting at least first and second uplink signals by a UE to first and second virtualized radio units, respectively. The first and second uplink signals are processed by one or more virtual machines shared by both the first and second radio units. The UE switches connection from the first virtualized radio unit to the second virtualized radio unit without a transfer of context information from the first virtualized radio unit to the second virtualized radio unit. A first virtual machine implements at least one of a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and a radio frequency (RF) transceiver. A second virtual machine implements at least one of a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: June 30, 2020
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10701694
    Abstract: Selective crest factor reduction and digital pre-distortion of physical channels and physical signals in a wireless communication network are disclosed. A method for wireless communication includes allocating transmission bandwidths for physical channels and physical signals and determining if the total allocated transmission bandwidth for the physical channels and the physical signals is less than or equal to a first bandwidth threshold value. If the total allocated transmission bandwidth is less than or equal to the first bandwidth threshold value, the method includes digitally pre-distorting the physical channels and the physical signals and transmitting the digitally pre-distorted physical channels and physical signals. The method also includes applying digital crest factor reduction to the physical channels and the physical signals if the total allocated transmission bandwidth is less than or equal to a second bandwidth threshold value.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: June 30, 2020
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Sidharth Balasubramanian
  • Patent number: 10637445
    Abstract: A method of wireless communication includes receiving a plurality of parameter values at a user equipment (UE) using a first local oscillator (LO) frequency value, where the plurality of parameter values includes indications of a downlink frequency channel and an uplink frequency channel. The method further includes determining a second LO frequency value at the UE, where the second LO frequency value is determined using the indications of downlink and uplink frequency channels. The method further includes receiving downlink signals from an associated base station using the second LO frequency value.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: April 28, 2020
    Assignee: Phazr, Inc.
    Inventors: Rakesh Taori, Farooq Khan, Robert Clark Daniels, Shadi Abu-Surra, Sudhir Ramakrishna
  • Patent number: 10609565
    Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 31, 2020
    Assignee: Phazr, Inc.
    Inventors: Rakesh Taori, Shadi Abu-Surra, Farooq Khan, Eran Pisek, Sudhir Ramakrishna, Robert Clark Daniels
  • Patent number: 10575182
    Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: February 25, 2020
    Assignee: Phazr, Inc.
    Inventors: Rakesh Taori, Shadi Abu-Surra, Farooq Khan, Eran Pisek, Sudhir Ramakrishna, Robert Clark Daniels
  • Patent number: 10505602
    Abstract: A method for wireless communication includes multiplexing transmit data into at least a first component carrier data and a second component carrier data. The method further includes digitally pre-coding at least the first and second component carrier data for digital beamforming. The method also includes converting, by digital to analog conversion, the digitally pre-coded first and second component carrier data to first and second analog signals. The method also includes processing the second analog signals to generate analog beamformed millimeter wave band signals and transmitting the millimeter wave band signals. The method also includes processing the first analog signals to generate sub-7 GHz band signals and transmitting the sub-7 GHz band signals, wherein the sub-7 GHz band signals are transmitted with digital beamforming and without analog beamforming, and wherein the millimeter wave band signals are transmitted with both digital and analog beamforming.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: December 10, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10491443
    Abstract: A method for wireless communication includes allocating a transmission bandwidth for transmission to a user equipment (UE). The method further includes determining if the allocated transmission bandwidth is less than or equal to a maximum estimated BWDPD. The maximum estimated BWDPD is the maximum estimated signal bandwidth that a transmitter is configured to digitally pre-distort. The method also includes digitally pre-distorting transmit signals and transmitting the digitally pre-distorted transmit signals to the UE if the allocated transmission bandwidth is less than or equal to the maximum estimated BWDPD. The method also includes transmitting to the UE without digitally pre-distorting the signals if the allocated transmission bandwidth is not less than or equal to the maximum estimated BWDPD. The method also includes applying digital crest factor reduction to the transmit signals if the allocated transmission bandwidth is less than or equal to the maximum estimated BWCFR.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: November 26, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Sidharth Balasubramanian
  • Patent number: 10484023
    Abstract: Systems and methods enable wireless devices to measure interference and allow coexistence by preventing transmission on bands that are currently in use by other devices.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 19, 2019
    Assignee: Phazr, Inc.
    Inventors: Robert Clark Daniels, Rakesh Taori, Farooq Khan
  • Patent number: 10440711
    Abstract: A method of downlink and uplink frequency channel assignments in widely-spaced downlink and uplink frequency channels includes determining a downlink block length by dividing a millimeter wave spectrum into a plurality of downlink spectrum blocks and determining an uplink block length by dividing a sub-6 GHz spectrum into a plurality of uplink spectrum blocks. The method includes dividing the downlink block length into a plurality of downlink channels and dividing the uplink block length into a plurality of uplink channels. The method includes determining a starting local oscillator frequency from center frequencies of the first uplink and downlink channels and uplink and downlink channel bandwidths. The method includes determining a plurality of uplink and downlink communications channel pairs based on a frequency mapping relationship based on the starting local oscillator frequency. The method includes assigning a first uplink and downlink communications channel pair to a user.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: October 8, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10396946
    Abstract: A method of wireless communication using time division duplex over widely spaced frequency bands by a radio base station includes transmitting millimeter wave band downlink signals comprising a plurality of first transmission time intervals (TTIs) and receiving millimeter wave band uplink signals comprising at least one second TTI. The number of first TTIs is greater than the number of second TTIs. The method includes transmitting sub-7 GHz band downlink signals comprising at least one third TTI and receiving sub-7 GHz band uplink signals comprising a plurality of fourth TTIs. The number of third TTIs is less than the number of fourth TTIs.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 27, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10326522
    Abstract: A method of wireless communication includes receiving a plurality of first downlink signals at a first radio base station, where the plurality of first downlink signals each has a different frequency. The method further includes down-converting the plurality of first downlink signals to a plurality of second downlink signals, where the plurality of second downlink signals have a same frequency. The method also includes transmitting the plurality of second downlink signals to associated user equipments (UEs).
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: June 18, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Sidharth Balasubramanian
  • Patent number: 10326519
    Abstract: A wireless communications system includes an outside module configured to communicate with a radio base station. The outside module includes a wireless power receiver. The system includes an inside module configured to communicate with the outside module and to communicate with a communications device. The inside module includes a wireless power transmitter configured to wirelessly transmit power to the outside module.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: June 18, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Eran Pisek, Robert Clark Daniels, Khurram Muhammad, Khalil Haddad, Paul Gilliland
  • Patent number: 10320463
    Abstract: A communication system includes a radio base station configured to transmit and receive signals using digital beamforming. The system includes a plurality of wireless communication devices configured to communicate with the radio base station. The wireless communication device includes a digital beamforming module configured to generate digitally pre-coded spatial streams. A pre-coding matrix is applied to a plurality of spatial streams to generate the digitally pre-coded spatial streams. The communication device includes a plurality of analog beamforming modules configured to measure signal and channel quality metrics from received packets and to calculate gain and phase adjustment values. The analog beamforming modules adjust the gain and phase of the digitally pre-coded spatial streams for analog beamforming. The communication device includes a plurality of antenna arrays configured to transmit the spatial streams.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: June 11, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10320052
    Abstract: A wireless device includes 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. The flexible neck bends and twists with ease. The flexible neck supports and retains the broadband router in a selected position in relation to the base. The flexible neck provides a pathway for electrically connecting the broadband router to the base to supply electrical power to the broadband router.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: June 11, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Jignesh Patel
  • Patent number: 10277388
    Abstract: A portable millimeter-wave wireless communications device relies on millimeter-wave spectrum for wireless communications. The millimeter-wave device may be a smart-phone, a laptop computer or a tablet computer. The millimeter-wave device may be a module that is added to an existing portable device such as a smart-phone, a laptop computer or a tablet computer to provide millimeter-wave communications capability. The module may be incorporated into a protective encapsulating case of such portable devices.
    Type: Grant
    Filed: December 17, 2017
    Date of Patent: April 30, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Eran Pisek, Khurram Muhammad, Robert Daniels, Shadi Abu-Surra, Oren Eliezer, Sidharth Balasubramanian, Rakesh Taori
  • Patent number: 10264222
    Abstract: A device is configured for installation on a building window. The device may be a wireless communications device or any other device configured for installation on a window. The device includes an exterior-facing camera operable to acquire video and/or images and an interior-facing monitor. The acquired video and/or images are transmitted to the monitor and displayed by the monitor in real-time which causes the device to appear transparent to a person inside the building. The device includes a first wireless transceiver configured to communicate with a radio base station outside the building and a second wireless transceiver configured to communicate with a plurality of communication devices inside the building. The first wireless transceiver transmits uplink signals at a first frequency and receives downlink signals at a second frequency. The second wireless transceiver transmits downlink signals and receives uplink signals at the first frequency.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: April 16, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: 10264414
    Abstract: An asynchronous communication device provides wireless broadband link between a base station and a plurality of client devices in a wireless communication network. The asynchronous communication device includes a receiver configured to operate at a first frequency band and to asynchronously receive first and second data packets from the base station. The device includes a transceiver configured to operate at a second frequency band and operable to asynchronously transmit the first data packets to a first client device and to transmit the second data packets to a second client device. The first frequency band has a wide band separation from the second frequency band. The transceiver is configured to asynchronously receive third and fourth data packets from the first and second client devices, respectively. The transceiver asynchronously transmits the third and fourth data packets at the second frequency band to the base station.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: April 16, 2019
    Assignee: Phazr, Inc.
    Inventor: Farooq Khan
  • Patent number: D853347
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: July 9, 2019
    Assignee: Phazr, Inc.
    Inventors: Farooq Khan, Jignesh Patel, Paul Gilliland