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).

  • Patent number: 10447355
    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: May 12, 2016
    Date of Patent: October 15, 2019
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Zhaocheng Wang, Wendong Liu, Jinhui Chen
  • Publication number: 20190305907
    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: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Applicant: Sony Corporation
    Inventors: Chen QIAN, Jinhui CHEN, Zhaocheng WANG, Chen SUN
  • Publication number: 20190296812
    Abstract: An electronic device for a multi-antenna communication apparatus includes a processing circuit. The processing circuit is configured to: map a first information bit to a first reconstructed channel in a plurality of reconstructed channels associated with a plurality of antennas of a multi-antenna communication apparatus; and provide a reconstruction parameter corresponding to the first reconstructed channel, so as to reconstruct an actual channel from the multi-antenna communication apparatus to a peer communication apparatus to bear the first information bit, wherein the plurality of reconstructed channels are determined by configuring, based on a plurality of groups of reconstruction parameters, the plurality of antennas of the multi-antenna communication apparatus, so that the plurality of reconstructed channels have a low correlation with each other.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 26, 2019
    Applicant: Sony Corporation
    Inventors: Xudong Zhu, Zhaocheng Wang, Chen Sun
  • Patent number: 10404431
    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: January 27, 2016
    Date of Patent: September 3, 2019
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Patent number: 10389417
    Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 20, 2019
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
  • Patent number: 10374766
    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: April 10, 2015
    Date of Patent: August 6, 2019
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Jinhui Chen, Zhaocheng Wang, Chen Sun
  • 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: 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: 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: 20190149203
    Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Applicant: SONY CORPORATION
    Inventors: Chen QIAN, Zhaocheng WANG, Xudong ZHU, Jinhui CHEN
  • Patent number: 10291454
    Abstract: A transmitting device for transmitting data symbols and pilot symbols in an OFDM transmission system; the device comprising symbol generating means for generating said data symbols and said pilot symbols, means for transmitting said data symbols and pilot symbols respectively by using a plurality of subcarriers of said OFDM transmission system, wherein said symbol generating means is designed to selectively generate a first type pilot symbol and a second type pilot symbol being orthogonal to said first type pilot symbol so that a pilot symbol pattern in the frequency dimension comprises at least said first type pilot symbol to be transmitted by using a predefined subcarrier and second type pilot symbol to be transmitted by using other predefined subcarrier, and wherein said pilot symbol pattern has a different pattern from a succeeding pilot symbol pattern in time dimension.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 14, 2019
    Assignee: Wi-Fi One, LLC
    Inventors: Zhaocheng Wang, Richard Stirling-Gallacher
  • Publication number: 20190123948
    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: January 13, 2017
    Publication date: April 25, 2019
    Applicant: SONY CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20190068259
    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: Application
    Filed: December 28, 2016
    Publication date: February 28, 2019
    Applicant: Sony Corporation
    Inventors: Wendong LIU, Zhaocheng WANG, jinhui CHEN
  • Patent number: 10206150
    Abstract: The present disclosure relates to an electronic device in a radio communications system and a radio communications method. The radio communications system comprises multiple cells, and the multiple cells comprise a current cell in which an electronic device is located and a neighboring cell. The electronic device comprises: one or more processing circuits. The processing circuits are configured to execute the following operations: obtaining allocation information about reference signals of the current cell and the neighboring cell; determining quality of an available reference signal in the current cell based on the allocation information; and allocating the available reference signal to user equipment based on the quality of the available reference signal.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: February 12, 2019
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20190044756
    Abstract: The present invention discloses a wireless communication method and a wireless communication device.
    Type: Application
    Filed: January 16, 2017
    Publication date: February 7, 2019
    Applicant: SONY CORPORATION
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20190029072
    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: Application
    Filed: December 28, 2016
    Publication date: January 24, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20180309494
    Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.
    Type: Application
    Filed: July 28, 2016
    Publication date: October 25, 2018
    Applicant: SONY CORPORATION
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20180302131
    Abstract: A wireless communication method and a wireless communication device. The method includes: a sending side device generating a common sequence to send to a plurality of receiving side devices; each of the plurality of receiving side devices determining a first analog weight parameter according to a receiving situation of the common sequence, and determining an antenna configuration for sending a pre-determined pilot frequency signal corresponding to the receiving side device according to the determined first analog weight parameter to send the pre-determined pilot frequency signal to the sending side device; and the sending side device determining a second analog weight parameter regarding the receiving side device according to a receiving situation of the pre-determined pilot frequency signal, and determining an antenna configuration for sending data regarding the receiving side device according to the determined second analog weight parameter to send the data to the receiving side device.
    Type: Application
    Filed: December 29, 2016
    Publication date: October 18, 2018
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Xudong ZHU, Jinhui CHEN
  • Publication number: 20180206157
    Abstract: The present disclosure relates to an electronic device in a radio communications system and a radio communications method. The radio communications system comprises multiple cells, and the multiple cells comprise a current cell in which an electronic device is located and a neighboring cell. The electronic device comprises: one or more processing circuits. The processing circuits are configured to execute the following operations: obtaining allocation information about reference signals of the current cell and the neighboring cell; determining quality of an available reference signal in the current cell based on the allocation information; and allocating the available reference signal to user equipment based on the quality of the available reference signal.
    Type: Application
    Filed: May 12, 2016
    Publication date: July 19, 2018
    Applicant: SONY CORPORATION
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20180123659
    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: May 12, 2016
    Publication date: May 3, 2018
    Inventors: Chen QIAN, Zhaocheng WANG, Wendong LIU, Jinhui CHEN