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).

  • Publication number: 20210376888
    Abstract: Provided in the present disclosure are a device and method in a radio communication system, and a computer-readable storage medium. The device comprises a processing circuit configured to: decode a group common physical downlink control channel (group common PDCCH) of a user equipment group comprising a target user equipment so as to acquire control information related to multi-user multiple input multiple output (MU-MIMO) transmission of a control channel; and decode a user equipment-specific physical downlink control channel (UE-specific PDCCH) of the target user equipment on the basis of the control information so as to acquire specific transmission control information related to the target user equipment, where the UE-specific PDCCH of the target user equipment and UE-specific PDCCH of the other user equipment are stacked on a same transmission resource for transmission. MU-MIMO transmission with respect to a downlink control channel is effectively implemented, thus increasing resource utilization rate.
    Type: Application
    Filed: February 3, 2019
    Publication date: December 2, 2021
    Applicant: Sony Corporation
    Inventors: Jianfei CAO, Tao CUI
  • Patent number: 11190384
    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: June 3, 2019
    Date of Patent: November 30, 2021
    Assignee: SONY CORPORATION
    Inventors: Zhengyi Zhou, Zhaocheng Wang, Ning Ge, Jianfei Cao
  • Publication number: 20210368490
    Abstract: The present invention relates to a user equipment, an electronic device, a wireless communication method, and a storage medium. The user equipment according to the present invention comprises a processing circuit configured to: select G transmit beam groups from K transmit beams of a network side device; and sending information about the selected G transmit beam groups to the network side device, wherein each of the G transmit beam groups comprises N transmit beams, the user equipment is capable of simultaneously receiving downlink information that the network side device sends by using the N transmit beams, and K, N, G are all integers greater than 1. The use of the user equipment, the electronic device, the wireless communication method, and the storage medium according to the present invention can improve beam selection process in a system that uses a beamforming technique.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 25, 2021
    Applicant: Sony Corporation
    Inventors: Jin XU, Dongru LI, Wenjing REN, Xiaofeng TAO, Jianfei CAO
  • Publication number: 20210352593
    Abstract: Provided are a device and method for a wireless communication system, and a computer readable storage medium. The device comprises a processing circuit. The processing circuit is configured to: acquire the current three-dimensional spatial location of a user equipment, and determine a resource for the user equipment according to information showing a mapping relationship at least between three-dimensional spatial regions and resources. According to an aspect of the embodiment of the present disclosure, time delay can be decreased and transmission performance can be optimized by pre-establishing a mapping relationship between three-dimensional spatial regions and resources and assigning to the user equipment an uplink/downlink time-frequency resource on the basis of the mapping relationship.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Applicant: Sony Group Corporation
    Inventors: Wenbo ZHANG, Jianfei CAO
  • Publication number: 20210345141
    Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit configured to determine a resource, which is expected to be used for interference beam measurement and which is used for sending a reference signal, of a neighbor cell, wherein the interference beam measurement is used for measuring the degree of interference of a transmitted beam of the neighbor cell in a serving cell; report a resource indicator of the determined resource to a base station of the serving cell; and execute interference beam measurement on the basis of configuration information from the base station.
    Type: Application
    Filed: September 5, 2019
    Publication date: November 4, 2021
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Patent number: 11152978
    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: June 24, 2020
    Date of Patent: October 19, 2021
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20210303093
    Abstract: Disclosed are an array substrate, a manufacturing method thereof, and a display device. The array substrate includes: a base substrate; an electrode layer, located on the base substrate and including a first electrode and a second electrode which are spaced apart from each other; a touch electrode, located on the base substrate; and a touch wire, connected to the touch electrode; the touch electrode and the first electrode are insulated from each other, the touch electrode and the second electrode are insulated from each other, the touch wire is at one side of the touch electrode away from the base substrate, and the electrode layer is at one side of the touch electrode close to the base substrate.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 30, 2021
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaxiong CAO, Zhiqiang WANG, Xinchao CUI, Dongdong ZHANG, Jianfei TIAN, Peng LUO
  • Patent number: 11133905
    Abstract: An apparatus and a method in a wireless communication system are disclosed. The apparatus comprises a processing circuit, the processing circuit being configured to: determine an idle resource element in a P2 process and/or a P3 process based on a channel state information-reference signal (CSI-RS) mapping structure, wherein only a transmission beam is scanned in the P2 process, only a reception beam is scanned in the P3 process, and the idle resource element refers to a resource element which is not occupied by a CSI-RS in an OFDM symbol occupied by the CSI-RS; and when the P2 process and/or the P3 process is carried out, control a base station so that same uses the idle resource element to send data and/or control information to a user equipment.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: September 28, 2021
    Assignee: SONY CORPORATION
    Inventors: Jin Xu, Dongru Li, Hang Yang, Chaonan He, Xiaofeng Tao, Jianfei Cao
  • Publication number: 20210297217
    Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 23, 2021
    Applicant: Sony Group Corporation
    Inventors: Jin XU, Dongru LI, Hang YANG, Xiaofeng TAO, Jianfei CAO
  • Publication number: 20210297126
    Abstract: The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a terminal device side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to obtain random access configuration information, and send a random access preamble based on the random access configuration information, so as to indicate one or more transmission beams of a base station side, in a downlink, paired with one or more receiving beams at the terminal device side.
    Type: Application
    Filed: June 15, 2018
    Publication date: September 23, 2021
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20210288711
    Abstract: The present invention relates to a network device, a user equipment, a wireless communication method and a storage medium. The network device comprises a processing circuit, configured to: provide to the user equipment a transmitted beam for sending an uplink signal from a plurality of transmitted beams on a plurality of antenna boards of the user equipment, and generate configuration information which indicates the transmitted beam for sending the uplink signal. By means of the network device, the user equipment, the wireless communication method and the storage medium, the network device can inform the user equipment of the selected uplink transmitted beam in the case that the user equipment is provided with a plurality of antenna boards, so as to optimize the process of determining the uplink transmitted beam.
    Type: Application
    Filed: November 5, 2018
    Publication date: September 16, 2021
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Publication number: 20210273699
    Abstract: Disclosed are electronic devices and communication methods. An electronic device comprises a processing circuit, the processing circuit being configured to: receive an RRC signaling and/or a MAC CE signaling from a control-side electronic device; determine, based on a first beam indication information of control channel in the RRC signaling and/or the MAC CE signaling, an activated beam for performing a transmission in the physical control channel with the control-side electronic device; rewrite the activated beam based on a second beam indication information of control channel included in a downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and use the rewritten activated beam to perform the transmission in the physical control channel with the control-side electronic device.
    Type: Application
    Filed: September 24, 2019
    Publication date: September 2, 2021
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Patent number: 11101850
    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: Grant
    Filed: May 10, 2018
    Date of Patent: August 24, 2021
    Assignee: SONY CORPORATION
    Inventor: Jianfei Cao
  • Patent number: 11102728
    Abstract: Provided are a device and method for a wireless communication system, and a computer readable storage medium. The device comprises a processing circuit. The processing circuit is configured to: acquire the current three-dimensional spatial location of a user equipment, and determine a resource for the user equipment according to information showing a mapping relationship at least between three-dimensional spatial regions and resources. According to an aspect of the embodiment of the present disclosure, time delay can be decreased and transmission performance can be optimized by pre-establishing a mapping relationship between three-dimensional spatial regions and resources and assigning to the user equipment an uplink/downlink time-frequency resource on the basis of the mapping relationship.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: August 24, 2021
    Assignee: SONY CORPORATION
    Inventors: Wenbo Zhang, Jianfei Cao
  • Publication number: 20210218457
    Abstract: An electronic device for wireless communication, a method, and a computer readable storage medium. The electronic device comprises: a processing circuit configured to: perform beam failure detection on a current service beam using a first beam quality index, and select a candidate beam from the other beams using the first beam quality index and a second quality index different from the first quality index, the candidate beam being used for beam recovery after beam failure.
    Type: Application
    Filed: May 10, 2019
    Publication date: July 15, 2021
    Applicant: Sony Corporation
    Inventors: Jin XU, Wenjing REN, Dongru LI, Hang YANG, Xiaofeng TAO, Jianfei CAO
  • Patent number: 11050537
    Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 29, 2021
    Assignee: SONY CORPORATION
    Inventors: Jin Xu, Dongru Li, Hang Yang, Xiaofeng Tao, Jianfei Cao
  • Publication number: 20210194742
    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: Application
    Filed: June 3, 2019
    Publication date: June 24, 2021
    Applicant: Sony Corporation
    Inventors: Zhengyi ZHOU, Zhaocheng WANG, Ning GE, Jianfei CAO
  • Patent number: 11043997
    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) that includes, 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. The method further includes 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: Grant
    Filed: October 9, 2018
    Date of Patent: June 22, 2021
    Assignee: SONY CORPORATION
    Inventors: Peiyao Zhao, Zhaocheng Wang, Jianfei Cao
  • Publication number: 20210184733
    Abstract: The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on side of control device, comprising a processing circuitry configured to: select one or more transmitting beams to be used for downlink transmission with a user equipment based on beam information reported by the user equipment; and control to indicate the one or more transmitting beams to the user equipment, wherein, the processing circuitry is configured to perform the selecting of transmitting beams according to a beam reporting mode of the user equipment, and to select a plurality of transmitting beams in case where the user equipment reports the beam information in a group-based beam reporting mode.
    Type: Application
    Filed: September 23, 2019
    Publication date: June 17, 2021
    Applicant: Sony Corporation
    Inventor: Jianfei CAO
  • Patent number: 11025318
    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: Grant
    Filed: January 18, 2018
    Date of Patent: June 1, 2021
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jianfei Cao