Patents by Inventor Jianfei CAO

Jianfei CAO 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: 10630354
    Abstract: An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 21, 2020
    Assignee: SONY CORPORATION
    Inventors: Jin Xu, Cheng Gao, Siqi Liu, Chaonan He, Jianfei Cao
  • Publication number: 20200119781
    Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20200021342
    Abstract: The present disclosure relates to an electronic device and communication method. The electronic device comprising a RF link unit radiating a data stream in form of electromagnetic wave radiation onto a phase shifter; a processing circuitry configured to determine an analog precoding matrix; phase shifters, each of which for performing analog precoding on the received signal of the electromagnetic wave radiation according to the determined analog precoding matrix, and an antenna array, each of antenna elements of which transmits the analog precoded signal, wherein the number of the phase shifters is the same as the number of the antenna elements of the antenna array, and the phase shifters and the antenna elements are in one-to-one correspondence.
    Type: Application
    Filed: May 11, 2018
    Publication date: January 16, 2020
    Applicant: Sony Corporation
    Inventors: Ning GE, Zhengyi ZHOU, Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20200007196
    Abstract: An electronic device used in a first communication device side is configured for determining a simplified scheme for beam sweeping to be performed on a first channel from the first communication device to a second communication device and a second channel from the second communication device to the first communication device based on beam correspondence information of transmitting and receiving beams of the first communication device.
    Type: Application
    Filed: May 10, 2018
    Publication date: January 2, 2020
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20190393948
    Abstract: The present invention discloses wireless communication method and wireless communication apparatus. Provided is an electronic equipment for a first communication apparatus of a wireless communication system, comprising: a number of antenna sub-arrays, each sub-array comprising a plurality of antennas, each column or row in the sub-array corresponding to one input terminal; a plurality of groups of first direction phase shifter, wherein the first direction phase shifters in each group are disposed between the input terminal of the corresponding sub array and a radio frequency chain, wherein each group of the plurality of groups of first direction phase shifters is configured to adjust a first direction angle of an antenna wave beam for transmitting a corresponding radio frequency chain signal in a first direction in accordance with a first control signal.
    Type: Application
    Filed: March 15, 2018
    Publication date: December 26, 2019
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190341984
    Abstract: The disclosure is related to an electronic device, communication method and medium. The electronic device comprises processing circuitry. The processing circuitry is configured to determine a sub array of a curved surface array antenna associated with the electronic device to serve a target communication apparatus, based on a channel state between the curved surface array antenna and the target communication apparatus.
    Type: Application
    Filed: January 18, 2018
    Publication date: November 7, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190260429
    Abstract: An electronic device on the user side comprising a processing circuitry configured to report to a network control device a first type of channel state information (CSI) by using a resource for the first type of channel state feedback allocated by the network control device; make a determination that a second type of channel state feedback is required; and notify the network control device of the determination.
    Type: Application
    Filed: May 4, 2018
    Publication date: August 22, 2019
    Applicant: Sony Corporation
    Inventors: Jin XU, Chaonan HE, Jianfei CAO
  • Publication number: 20190245595
    Abstract: An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 8, 2019
    Applicant: Sony Corporation
    Inventors: Jin XU, Cheng GAO, Siqi LIU, Chaonan HE, Jianfei CAO
  • Publication number: 20190238282
    Abstract: The present disclosure relates to an electronic device and communication method. An electronic device used in a first terminal device side is configured for acquiring configuration information of reference signals of a second cell from a first control device of a first cell, measuring the reference signals based on the configuration information and feeding back information indicating the space beams in the second cell interfering with the first terminal device to the first control device.
    Type: Application
    Filed: January 16, 2018
    Publication date: August 1, 2019
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20190238283
    Abstract: The present disclosure is related to an electronic device, wireless communication method and medium. The electronic device comprises circuitry configured to: obtain first channel state comprising at least channel state of a channel from a first apparatus to a first antenna associated with the electronic device, the first apparatus performing wireless communication with the electronic device; and obtain second channel state based on the first channel state, the second channel state comprising channel state of a channel from a second antenna associated with the electronic device to the first apparatus.
    Type: Application
    Filed: November 3, 2017
    Publication date: August 1, 2019
    Applicant: Sony Corporation
    Inventors: Wendong LIU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190229776
    Abstract: The present disclosure relates to electronic devices, methods, and storage medium for wireless communication system. Various embodiments are described with respect to beam management. In one embodiment, an electronic device for a base station side in a wireless communication system can comprise a processing circuitry configured to repetitively transmit a synchronization signal (SS) to a terminal device by using different transmit (TX) beams based on a TX beam configuration; the SS can indicate information of the TX beam used to transmit the SS. The processing circuitry can be configured to obtain feedback from the terminal device; the feedback can comprise information of the TX beam for being used in TX beam management.
    Type: Application
    Filed: June 15, 2018
    Publication date: July 25, 2019
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20190207657
    Abstract: The present disclosure relates to an electronic device and communication method. The electronic device used in a first terminal device side of a wireless communication system including: a memory for storing computer instructions; and a processing circuit configured to perform the computer instructions stored thereon for: measuring a first reference signal subject to a first precoding from a base station, wherein a first precoding matrix for the first precoding is determined by the base station based on respective channel states fed back from a plurality of candidate terminal devices, wherein the first terminal device is included in the plurality of candidate terminal devices; determining an interference of other terminal devices in the plurality of candidate terminal devices to the first terminal device based on a result of the measuring and information about the first precoding; and feeding back information indicating the interference to the base station.
    Type: Application
    Filed: October 20, 2017
    Publication date: July 4, 2019
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20190199415
    Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.
    Type: Application
    Filed: October 20, 2017
    Publication date: June 27, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190199410
    Abstract: An electronic device for a first communication device equipped with a plurality of antennas of a wireless communication system includes a processing circuit configured to configure a first transmission from the first communication device to a second communication device based on a plurality of sets of first sub-configuration parameters separately, so that a specific set of first sub-configuration parameters are determined based on information related to the first transmission; configure a second transmission from the first communication device to a second communication device based on a plurality of sets of second sub-configuration parameters separately; and configure a subsequent transmission from the first communication device to a second communication device based on a specific set of first configuration parameters which are determined based on combination of the specific set of first sub-configuration parameters and the specific set of second sub-configuration parameters.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 27, 2019
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190173555
    Abstract: Provided in the disclosure are an electronic device and method for a network control terminal, and an electronic device and method for a network node. The electronic device and method for a network control terminal comprise: a processing circuit configured to determine, based on first indication information from an adjacent network control terminal, that a network node served by the present network control terminal measures a channel state information reference signal (CSI RS) port of reference signal receiving power (RSRP) of same, wherein the first indication information indicates an interference state of the CSI RS port used by the corresponding adjacent network control terminal; and determine, based on a measurement result from the network node, the adjacent network control terminal interfering with the network node, and the CSI RS port thereof.
    Type: Application
    Filed: November 3, 2017
    Publication date: June 6, 2019
    Applicant: Sony Corporation
    Inventors: Jin XU, Chaonan HE, Hang YANG, Siqi LIU, Cheng GAO, Jianfei CAO