Patents by Inventor Majid Ghanbarinejad

Majid Ghanbarinejad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10219231
    Abstract: A method for transmitting beamformed signals includes beamforming a synchronization signal in accordance with a first set of spatially separated transmission beams, thereby producing first beamformed synchronization signals, transmitting the first beamformed synchronization signals, determining if a first synchronization cycle is complete, and when the first synchronization cycle is not complete, rotating the first set of spatially separated transmission beams, and repeating the beamforming, the transmitting, and the determining until the first synchronization cycle is complete.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: February 26, 2019
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Richard Stirling-Gallacher, Bin Liu, Majid Ghanbarinejad, Qian Cheng
  • Publication number: 20180302135
    Abstract: A method for wireless communications is provided. The method includes transmitting a first signal during a first time interval. The first signal is encoded with a first spreading sequence generated by permutating a root sequence based on a permutation parameter associated with a first index. The method further includes transmitting a second signal during a second time interval. The second signal is encoded with a second spreading sequence generated by permutating the root sequence based on a permutation parameter associated with a second index. The method further includes receiving an indication of either the first index or the second index from a user equipment (UE).
    Type: Application
    Filed: April 13, 2017
    Publication date: October 18, 2018
    Inventors: Qian Cheng, Jialing Liu, Weimin Xiao, Majid Ghanbarinejad
  • Publication number: 20180124725
    Abstract: A system and a method for synchronization and link acquisition in cellular wireless systems with directional antennas are disclosed. In an embodiment a method for wireless communication includes synchronizing, by a first network controller, transmission of a first synchronization signal with transmission of a second synchronization signal from another network controller.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 3, 2018
    Inventors: Majid Ghanbarinejad, Qian Cheng, Lukasz Krzymien, Weimin Xiao
  • Publication number: 20180041319
    Abstract: A physical downlink shared channel (PDSCH) region of a subframe may include a reference signal (RS) section that includes one or more of a beam-scanning subsection, a transmit (TX) beam-tracking subsection, a receive (RX) beam-tracking subsection, and a channel state information (CSI) subsection. Reference signals in the TX beam-tracking subsection may be used to update TX analog beams. Reference signals in the RX beam-tracking subsection may be used to update RX analog beams. Reference signals in the beam-scanning subsection may be used to evaluate different combinations of TX and RX analog beams for use in a future directional data transmission. Reference signals in the CSI subsection may be transmitted over quasi-co-located (QCL) antenna ports, and may be used for purposes of channel estimation.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 8, 2018
    Inventors: Qian Cheng, George Calcev, Majid Ghanbarinejad, Jialing Liu, Diana Maamari, Lukasz Krzymien, Weimin Xiao
  • Publication number: 20180035396
    Abstract: A method for transmitting beamformed signals includes beamforming a synchronization signal in accordance with a first set of spatially separated transmission beams, thereby producing first beamformed synchronization signals, transmitting the first beamformed synchronization signals, determining if a first synchronization cycle is complete, and when the first synchronization cycle is not complete, rotating the first set of spatially separated transmission beams, and repeating the beamforming, the transmitting, and the determining until the first synchronization cycle is complete.
    Type: Application
    Filed: November 16, 2016
    Publication date: February 1, 2018
    Applicant: Futurewei Technologies, Inc.
    Inventors: Richard Stirling-Gallacher, Bin Liu, Majid Ghanbarinejad, Qian Cheng
  • Publication number: 20170195035
    Abstract: A method for multiple association includes associating with a first access point (AP) in a primary basic service set (BSS), associating with a second AP in a secondary BSS, informing the first and second APs of an inter-BSS relaying capability of a doubly-associated station, and relaying data between the first AP and the second AP.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 6, 2017
    Inventors: George Calcev, Majid Ghanbarinejad, Diana Maamari
  • Publication number: 20170134076
    Abstract: A method for beamforming training is disclosed including SNR values with each of the SNR values associated with one of the antenna identifiers (IDs) in a first frame identifying different radio frequency (RF) chains for a process of beamforming training; receiving and transmitting the first frame bi-directionally between multiple pairs of communicating nodes, wherein each pair of the communicating nodes has at least one initiator node and one responder node; receiving feedback of the SNRs associated with the antenna IDs from two or more responder nodes of the multiple pairs of the communicating nodes to choose an RF chain as favorable transmit antenna for transmission; and determining respective one from the multiple antenna sectors of the multiple antennas for transmission for the responder nodes according to the feedback. A central network controller and a system are also disclosed herein.
    Type: Application
    Filed: November 7, 2016
    Publication date: May 11, 2017
    Inventors: Diana Maamari, Majid Ghanbarinejad, George Calcev
  • Publication number: 20170105224
    Abstract: A method for channel reservation and communication using carrier sense multiple access (CSMA) with directional antennas in a wireless network. A source station (STA) may transmit a directional request to send (RTS) frame to a destination station before a data transmission. Upon receipt of the RTS frame, the destination STA may transmit a transmit network allocation vector (TNAV) frame instructing receiving stations not to perform transmissions toward the destination STA for a predefined period of time, which may include a channel quality measurement (CQM) period. The destination STA may transmit a directional clear-to-send (CTS) frame when channel quality estimated during the CQM meets a criterion. The source STA may then transmit a directional data transmission to the destination STA upon receipt of the CTS frame.
    Type: Application
    Filed: September 16, 2016
    Publication date: April 13, 2017
    Inventors: Majid Ghanbarinejad, Diana Maamari, George Calcev
  • Publication number: 20170033858
    Abstract: A method and apparatus for wireless communications for relay communication are provided. The method includes a source node sets up one or more backup relay links between the source node and a destination node that comprises a route through one or more standby relay nodes; transmits a first frame to the one or more standby relay nodes to activate the one or more standby relay nodes, transmits a second frame from the source node to the destination node informing the destination node of a switch of the relay link. Apparatuses are provided thereof.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Applicant: Futurewei Technologies, Inc.
    Inventors: George Calcev, Majid Ghanbarinejad, Diana Maamari