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: 20250119198
    Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device may comprise a processing circuit, the processing circuit being configured to: on the basis of a result that candidate beams are previously used to perform beam tracking with respect to another device in communication with the electronic device, estimate a prediction probability that each candidate beam is an optimal beam; and on the basis of the estimated prediction probability, select, from the candidate beams, a measurement beam for beam tracking of next time.
    Type: Application
    Filed: January 6, 2023
    Publication date: April 10, 2025
    Applicant: Sony Group Corporation
    Inventors: Ke MA, Fan ZHANG, Zhaocheng WANG, Jianfei CAO
  • Patent number: 12273884
    Abstract: The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments for setting guard periods for downlink-to-uplink switching are described. An embodiment relates to an electronic device for a base station used in a TDD communication system, and the electronic device comprises a processing circuit. The processing circuit is configured to: set a first guard period for downlink-to-uplink switching for a first terminal device in a first cell; and set a second guard period for downlink-to-uplink switching for a second terminal device in the first cell, wherein the second guard period for downlink-to-uplink switching is different from the first guard period for downlink-to-uplink switching.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 8, 2025
    Assignee: SONY GROUP CORPORATION
    Inventors: Zhengyi Zhou, Zhaocheng Wang, Ning Ge, Jianfei Cao
  • Publication number: 20250105885
    Abstract: Provided in the present disclosure are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, which is configured to: determine a sensing beam group, wherein sensing beams in the sensing beam group and a communication beam are selected from the same beam codebook, and the sensing beams are all different from the communication beam; and to send a combined beam, and repeatedly execute the sending to traverse all the sensing beams in the sensing beam group, wherein the combined beam comprises the communication beam and a sensing beam subgroup, and each sensing beam subgroup comprises one or more sensing beams in the sensing beam group.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 27, 2025
    Applicant: Sony Group Corporation
    Inventors: Yinxiao ZHUO, Zhaocheng WANG, Jianfei CAO
  • Patent number: 12231196
    Abstract: An electronic device on a control device side for a wireless communication system, includes: a processing circuit configured to group a plurality of terminal devices of the wireless communication system into one linear precoding terminal device group and one or more nonlinear precoding terminal device groups based on respective nonlinear precoding capabilities and channel state information of the plurality of terminal devices; and notify each terminal device whether nonlinear precoding or linear precoding is to be employed in communication for the terminal device by means of a nonlinear precoding indicator based on the grouping.
    Type: Grant
    Filed: February 12, 2024
    Date of Patent: February 18, 2025
    Assignee: SONY GROUP CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20240380434
    Abstract: A method includes calculating, by a joint transmission user, a first and a second equivalent channel matrix from the first base station and the second base station to the user; feeding back a first matrix to the first base station based on the first equivalent channel matrix, and feeding back a second matrix to the second base station based on the second equivalent channel matrix; receiving the pre-coded first data demodulation reference signal from the first base station and the pre-coded second data demodulation reference signal from the second base station, and then calculating a decoding matrix, wherein the number of columns of the first feedback equivalent channel matrix and the number of columns of the second equivalent channel matrix are equal to or less than the sum of the number of data layers of the first base station and the second base station.
    Type: Application
    Filed: September 23, 2022
    Publication date: November 14, 2024
    Applicant: Sony Group Corporation
    Inventors: Ziyuan SHA, Zhaocheng WANG, Jianfei CAO
  • Patent number: 12136976
    Abstract: An electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device comprises a processing circuit, configured to send two reference signals using identical time-frequency resources and respectively using two beams in a beam pair, wherein a spatial distance between the two beams in the beam pair is greater than a predetermined value, and the two reference signals satisfy a predetermined constraint relation. The efficiency of a beam training process can be improved, and the time consumption of the beam training process is reduced, thereby achieving a compromise between beam training overheads and beamforming gains.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: November 5, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Ke Ma, Wendong Liu, Zhaocheng Wang, Jianfei Cao
  • Patent number: 12136972
    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 19, 2023
    Date of Patent: November 5, 2024
    Assignee: Sony Group Corporation
    Inventors: Chen Qian, Zhaocheng Wang, Wendong Liu, Jinhui Chen
  • Patent number: 12133088
    Abstract: The present disclosure relates to a base station device, a communication method, and a storage medium in a wireless communication system. There is provided a base station device, comprising a processing circuitry configured to: based on a conflicting beam list, determining that at least one conflicting beam is included in a set of transmitting beams to be used for downlink transmission from a local cell in a future specific period; in response to the determining, send beam scheduling information for the future specific period to a base station of an adjacent cell, the beam scheduling information including at least information on time-frequency resources allocated to the at least one conflicting beam by the local cell.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 29, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20240357521
    Abstract: The present disclosure relates to electronic device, communication method and computer program product in a wireless communication system. An electronic device on user side is provided, comprising a processing circuitry configured to receive a configuration on a plurality of timing advances (TAs) associated with a plurality of transmit and receive points (TRPs), wherein the plurality of TAs have different values; and transmit uplink transmission frames to the plurality of TRPs simultaneously, wherein the uplink transmission frame transmitted to each of the TRPs is applied with a TA associated with the TRP.
    Type: Application
    Filed: August 29, 2022
    Publication date: October 24, 2024
    Applicant: Sony Group Corporation
    Inventors: Zhengyi ZHOU, Fan ZHANG, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20240275439
    Abstract: An electronic device on a control device side for a wireless communication system, includes: a processing circuit configured to group a plurality of terminal devices of the wireless communication system into one linear precoding terminal device group and one or more nonlinear precoding terminal device groups based on respective nonlinear precoding capabilities and channel state information of the plurality of terminal devices; and notify each terminal device whether nonlinear precoding or linear precoding is to be employed in communication for the terminal device by means of a nonlinear precoding indicator based on the grouping.
    Type: Application
    Filed: February 12, 2024
    Publication date: August 15, 2024
    Applicant: Sony Group Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jianfei CAO
  • Patent number: 12052066
    Abstract: An electronic device includes a processing circuit configured to execute a beam measurement process, so as to determine, under each pre-set interference scene, the channel quality between each receiving beam of the electronic device and each transmitting beam of a network side device serving the electronic device, and determine a receiving beam according to the channel quality under each pre-set interference scene, the transmitting beam of the network side device and a pre-set interference scene in which the electronic device is located, such that a signal-to-interference-and-noise ratio obtained when the electronic device uses the determined receiving beam to receive a signal is the maximum, the pre-set interference scene representing an interference situation of the network side device around the electronic device to the electronic device.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: July 30, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
  • Patent number: 12035184
    Abstract: An electronic device on side of user equipment, with an access link between the user equipment and a first node of an integrated access and backhaul (IAB) system, there being a backhaul link between the first node and a second node of the IAB system, wherein the second node is a parent node of the first node in network topology of the IAB system, characterized in that the electronic device includes: processing circuitry that measures a signal inference from a third node; reports an interference measurement to the first node; and in a case where the second node makes a determination to switch the access link used by the user equipment based at least in part on the interference measurement exceeding a predetermined threshold, establishes a direct access link between the user equipment and the second node and disconnect the access link between the user equipment and the first node.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: July 9, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Wendong Liu, Zhaocheng Wang, Jianfei Cao
  • Patent number: 11956112
    Abstract: An electronic device and communication method are disclosed. The electronic device comprises a processing circuit configured to perform a pre-processing operation on a first one-dimensional sequence of modulation symbols, the pre-processing operation including: performing a dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into a first multi-dimensional modulation symbol block; transforming the first multi-dimensional modulation symbol block into a second multi-dimensional modulation symbol block with a first transformation, wherein the first transformation couples each symbol in the first multi-dimensional modulation symbol block with each other; and performing a dimension-decreasing conversion to convert the second multi-dimensional modulation symbol block into a second one-dimensional sequence of modulation symbols, wherein the dimension-decreasing conversion is an inverse process of the dimension-increasing conversion.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: April 9, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Zhengyi Zhou, Zhaocheng Wang, Ning Ge, Jianfei Cao
  • Patent number: 11936446
    Abstract: The present disclosure relates to electronic device, method for wireless communication system and storage medium. The present disclosure proposes an electronic device on a control device side for a wireless communication system, comprising: a processing circuit configured to group a plurality of terminal devices of the wireless communication system into one linear precoding terminal device group and one or more nonlinear precoding terminal device groups based on respective nonlinear precoding capabilities and channel state information of the plurality of terminal devices; and notify each terminal device whether nonlinear precoding or linear precoding is to be employed in communication for the terminal device by means of a nonlinear precoding indicator based on the grouping.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 19, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20240064043
    Abstract: A wireless communication method and a wireless communication device. An electronic device for a user equipment in a wireless communication system, including a processing circuit configured to receive, from a base station, channel state information reference signal with a set of reception filters, perform channel estimation on a downlink channel from the base station to the user equipment, select, from the set of reception filters, one or more particular reception filters corresponding to respective channel estimation results that satisfy a first predetermined condition, and signal, from the user equipment to the base station, sounding reference signal with one or more particular transmission filters, wherein the one or more particular transmission filters and one or more particular reception filters are reciprocal respectively.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 22, 2024
    Applicant: Sony Group Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20240048317
    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: October 19, 2023
    Publication date: February 8, 2024
    Applicant: Sony Group Corporation
    Inventors: Ziyuan SHA, Zhaocheng WANG, Jianfei CAO
  • Patent number: 11831708
    Abstract: A distributed computation offloading method based on computation-network collaboration in a stochastic network is provided. The distributed computation offloading method includes: building a device revenue maximization problem model and a MEC server revenue maximization problem model based on a local computing model and an edge cloud computing model; building composite sets of scenarios for dwell time and waiting latency based on a random movement of a user and burst computation demands; compensating for a game strategy by using a posteriori recourse action and building a game-based stochastic programming model between the device and the MEC server; transforming a multi-stage stochastic regularization problem for both the device and the MEC server into a DEP problem by constructing a scenario tree, and solving the DEP problem to obtain an optimal task strategy for the offloading from the MEC server and an optimal offering strategy of the MEC server to the device.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: November 28, 2023
    Assignee: CHONGQING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yun Li, Shichao Xia, Zhixiu Yao, Guangfu Wu, Hongcheng Zhuang, Zhaocheng Wang
  • Patent number: 11831575
    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: Grant
    Filed: November 4, 2022
    Date of Patent: November 28, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
  • Patent number: 11799693
    Abstract: A wireless communication method and a wireless communication device. An electronic device for a user equipment in a wireless communication system, including a processing circuit configured to receive, from a base station, channel state information reference signal with a set of reception filters, perform channel estimation on a downlink channel from the base station to the user equipment, select, from the set of reception filters, one or more particular reception filters corresponding to respective channel estimation results that satisfy a first predetermined condition, and signal, from the user equipment to the base station, sounding reference signal with one or more particular transmission filters, wherein the one or more particular transmission filters and one or more particular reception filters are reciprocal respectively.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: October 24, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20230318668
    Abstract: A wireless communication method and a wireless communication device.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: Sony Group Corporation
    Inventors: Peiyao ZHAO, Zhaocheng WANG, Xudong ZHU, Jinhui CHEN