Patents by Inventor Zhaocheng Wang

Zhaocheng Wang 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).

  • Publication number: 20210028832
    Abstract: An electronic device and a communication method. The electronic device comprises: a processing circuit, configured to: determine transmitting signals simultaneously to at least two user devices and proximity of directions of downlink transmission signals for the at least two user devices satisfying a predetermined condition; and acquire, an amount of antenna elements to be activated for downlink beamforming, which is determined based on the directions of downlink transmission signals for the at least two user devices.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 28, 2021
    Applicant: Sony Corporation
    Inventors: Wendong LIU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20210028834
    Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Applicant: Sony Corporation
    Inventors: Chen QIAN, Zhaocheng WANG, Wendong LIU, Jinhui CHEN
  • Publication number: 20210013954
    Abstract: The present disclosure relates to electronic device, method and storage medium for a wireless communication system. One embodiment of the present disclosure proposes beam management based on matching condition of channel path parameters under different beams. An electronic device includes a processing circuitry configured to: estimate, based on reference signals which are transmitted from the transmitter of the wireless communication system based on at least one second beam included in coverage of a first beam, parameters for channel paths from the transmitter to the receiver corresponding to the second beam, and wherein a particular second beam of the at least one second beam is selected based on the estimated parameters for channel paths, and the estimated parameter for channel path corresponding to the particular second beam matches parameter for channel path corresponding to the first beam.
    Type: Application
    Filed: December 25, 2018
    Publication date: January 14, 2021
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Patent number: 10887065
    Abstract: A method for an electronic device includes determining, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence, transmitting the uplink pilot sequence, and determining a change in a geographical location of the electronic device. In a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the uplink pilot sequence is updated based on the indicating information allocated by the base station, and the updated uplink pilot sequence corresponds to the cell partition corresponding to the geographical location of the electronic device after changing. The uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: January 5, 2021
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Jinhui Chen, Zhaocheng Wang, Chen Sun
  • Publication number: 20200396012
    Abstract: The present disclosure relates to an electronic device, a method, and storage medium for a wireless communication system. Various embodiments regarding managing beam pairs are described. In an embodiment, an electronic device used on a terminal device side in a wireless communication system can comprise a processing circuit that can be configured to determine a beam pair quality indication of a plurality of downlink beam pairs. The beam pair quality indication can represent quality of service that can be offered by a corresponding beam pair, and can comprise a plurality of beam pair quality indication elements. The plurality of beam pair quality indication elements comprise at least degree of stability of the measurement metrics.
    Type: Application
    Filed: April 22, 2019
    Publication date: December 17, 2020
    Applicant: Sony Corporation
    Inventors: Wendong LIU, Zhaocheng WANG, Jianfei CAO
  • Patent number: 10868587
    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: Grant
    Filed: August 22, 2017
    Date of Patent: December 15, 2020
    Assignee: SONY CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jianfei Cao
  • Patent number: 10840980
    Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: November 17, 2020
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Zhaocheng Wang, Wendong Liu, Jinhui Chen
  • Patent number: 10841061
    Abstract: An apparatus for wireless communication includes a classification unit and an allocation unit. The classification unit classifies communication devices in a cell where the apparatus is located, the communication devices are classified into a plurality of communication device groups including a first communication device group and a second communication device group. The allocation unit allocates pilot frequency sequences in a first pilot frequency group to the first communication device group, and allocates pilot frequency sequences in a second pilot frequency group to the second communication device group. When the number of the pilot frequency sequences is insufficient, a multiplexing configuration is executed, such as communication devices in the second communication device group multiplex at least one pilot frequency sequence in the second pilot frequency group.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 17, 2020
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Patent number: 10804985
    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: Grant
    Filed: May 11, 2018
    Date of Patent: October 13, 2020
    Assignee: SONY CORPORATION
    Inventors: Ning Ge, Zhengyi Zhou, Peiyao Zhao, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20200322006
    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: June 24, 2020
    Publication date: October 8, 2020
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Patent number: 10797770
    Abstract: The present disclosure relates to a non-uniform antenna array and signal processing therefor. Specifically disclosed is a device at a transmitting end, comprising a plurality of antenna elements arranged in a vertical direction. Spaces between adjacent antenna elements of at least a part of the plurality of antenna elements increase gradually in a first direction.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: October 6, 2020
    Assignee: SONY CORPORATION
    Inventors: Wendong Liu, Zhaocheng Wang, Jinhui Chen
  • Patent number: 10797841
    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: Grant
    Filed: November 3, 2017
    Date of Patent: October 6, 2020
    Assignee: SONY CORPORATION
    Inventors: Wendong Liu, Zhaocheng Wang, Jianfei Cao
  • Patent number: 10790894
    Abstract: An electronic device for a wireless communication system includes processing circuitry configured to: perform control to transmit/receive signals to/from a target communication apparatus via an offset array antenna associated with the electronic device, wherein the offset array antenna comprises multiple sets of antenna elements, each has multiple antenna elements arranged in a first direction, a spatial offset and a phase difference in the first direction exist among the multiple sets of antenna elements, and the multiple sets of antenna elements are arranged in a second direction perpendicular to the first direction; and acquire a state of a channel in the first direction between the offset array antenna and the target communication apparatus, wherein the state of the channel in the first direction is determined using the signals which comprise the phase difference in the first direction.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 29, 2020
    Assignee: SONY CORPORATION
    Inventors: Wendong Liu, Zhaocheng Wang, Jianfei Cao
  • Patent number: 10756789
    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: Grant
    Filed: October 20, 2017
    Date of Patent: August 25, 2020
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20200235875
    Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.
    Type: Application
    Filed: November 14, 2018
    Publication date: July 23, 2020
    Applicant: Sony Corporation
    Inventors: Ziyuan SHA, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20200220749
    Abstract: A wireless communication method and a wireless communication device. An electronic device for a first communication device in a wireless communication system includes: storage device configured to store an analog codebook for the first communication device, the analog codebook including a plurality of sets of first configuration parameters for a set of phase shifters of the first communication device; and a processing circuit configured to: perform channel estimation on a first channel from a second communication device to the first to communication device respectively based on the plurality of sets of first configuration parameters and signal transmission from the second communication device, select a set of first configuration parameters corresponding to ones of channel estimation results that satisfy a first predetermined condition to generate a reduced analog sub-codebook, configure signal transmission from the first communication device to the second communication device based on the analog sub-codebook.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20200212978
    Abstract: The present disclosure relates to an electronic device in a wireless communication system, a communication method and storage medium. Provided is a method for estimating a channel angle of departure (AOD), comprising: by means of multiple antenna arrays, using the same analog beam formation parameters to transmit a reference signal so as to form a first combined beam and a second combined beam having different directions; determining the relative beam gain for the two combined beams, and determining the channel AOD on the basis of a mapping relationship between the relative beam gain and the channel AOD.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 2, 2020
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20200186205
    Abstract: The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments regarding beam pair selection are described. In one embodiment, an electronic device for a wireless communication system can comprise a processing circuitry configured to determine K beam pairs in a communication link between a first communication apparatus and a second communication apparatus for a wireless communication system, where K is a natural number, and each beam pair comprises a transmitting beam and a receiving beam; and calculate a beam gain gradient for each beam pair, wherein the beam gain gradient indicates a spatial gain variation of a respective beam pair.
    Type: Application
    Filed: November 20, 2018
    Publication date: June 11, 2020
    Applicant: Sony Corporation
    Inventors: Zhengyi ZHOU, Zhaocheng WANG, Jianfei CAO
  • Patent number: 10681774
    Abstract: An electrical device has processing circuit configured to: select coordinated access points and data distribution center from access points, transmit information about the coordinated access points to the data distribution center, such that in response to the receipt of data from the service gateway, the date distribution center transmits the data to the coordinated access points, and receive the data via the coordinated transmission of the data distribution center and the coordinated access point.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 9, 2020
    Assignee: Sony Corporation
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20200177426
    Abstract: An electronic device, and method, at a first communication apparatus having multiple antennas includes a memory for storing computer instructions; and a processing circuit configured to execute the stored computer instructions to: based on channel states of channels between the multiple antennas of the first communication apparatus and a second communication apparatus, determine channel characteristics of a first channel from the first communication apparatus to a second communication apparatus in an angle domain: based on the determined channel characteristics of the first channel in the angle domain, determine a first set of pilot signals used in the angle domain, the pilot signals in the first set of pilot signals being orthogonal to each other; and transform the first set of pilot signals into a second set of pilot signals for transmission over the multiple antennas of the first communication apparatus.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jinhui CHEN