Patents by Inventor Xiaofeng Tao

Xiaofeng Tao 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: 20220070865
    Abstract: An electronic device at a network side serves as a first user equipment and a second user equipment. The electronic device includes a processing circuit and is configured to: determine the second user equipment to share a channel occupy time (COT) of the first user equipment on a time domain, wherein the first user equipment and the second user equipment send uplink information to the electronic device in the COT of the first user equipment using orthogonal frequency domain resources; and generate frequency domain resource indication information of the second user equipment to indicate a frequency domain resource for the second user equipment.
    Type: Application
    Filed: March 6, 2020
    Publication date: March 3, 2022
    Inventors: Qimei CUI, Jing LIU, Tao CUI, Xiaofeng TAO
  • Patent number: 11234249
    Abstract: The present invention provides an electronic device and method for wireless communication, and a computer readable storage medium. The electronic device comprises a processing circuit configured to: set a first timer used for counting the activation time of a current bandwidth part (BWP) for a user equipment on an unlicensed frequency band; and switch, when the first timer times out, the user equipment onto another BWP on the unlicensed frequency band.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: January 25, 2022
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Zhenyu Xu, Tao Cui, Xiaofeng Tao, Bowen Cai, Jing Liu
  • Publication number: 20220007364
    Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer readable medium. The electronic device for wireless communication according to an embodiment comprises a processing circuit. The processing circuit is configured to perform control so as to receive indication information from a first user apparatus, the indication information being related to a sidelink bandwidth part (SL-BWP) for data transmission. The processing circuit is further configured to perform, on the basis of the indication information, an operation for performing sidelink communication with the first user apparatus.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 6, 2022
    Applicant: Sony Group Corporation
    Inventors: Yanzhao HOU, Xiaofeng TAO, Min ZHU, Xin GUO, Lei GAO, Zhaoqi PENG
  • Publication number: 20210385806
    Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer readable medium. The electronic device for wireless communication according to one embodiment comprises a processing circuit. The processing circuit is configured to: perform control, so as to perform channel idle detection on an unlicensed band at a predetermined bandwidth; and perform control on the basis of a result of the channel idle detection, so as to transmit a hybrid automatic retransmission request on one or more sub-bandwidth blocks having the predetermined bandwidth.
    Type: Application
    Filed: November 21, 2019
    Publication date: December 9, 2021
    Applicant: Sony Group Corporation
    Inventors: Qimei CUI, Zhenyu XU, Tao CUI, Xiaofeng TAO, Bowen CAI, Jing LIU
  • 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: 20210368351
    Abstract: The present disclosure provides an electronic device and a method for wireless communication and a computer-readable storage medium. An electronic device comprising: a processing circuit configured to: generate, where a user equipment accesses an unauthorized frequency band successfully, an indication representing whether sharing a channel occupancy time of the user equipment with other user equipment is permitted; and send the indication to a base station or the other user equipment.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 25, 2021
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Bowen CAI, Tao CUI, Xiaofeng TAO
  • Publication number: 20210306885
    Abstract: The present disclosure provides a wireless communication electronic device and method, and a computer-readable storage medium. Said electronic device comprises: a processing circuit, configured to: determine whether there is a need to currently execute measurement of a first channel busy ratio (CBR) on a first resource pool of a sidelink in the long term evolution (LTE) and measurement of a second CBR on a second resource pool of a sidelink in the new radio (NR) radio access technology; and having determined that the first CBR measurement and the second CBR measurement need to be executed currently, executing the first CBR measurement and/or the second CBR measurement at least on the basis of CBR coexistence measurement configuration. (FIG.
    Type: Application
    Filed: September 23, 2019
    Publication date: September 30, 2021
    Applicant: Sony Corporation
    Inventors: Yanzhao HOU, Xiaofeng TAO, Min ZHU, Xin GUO, Zhaoqi PENG, Lei GAO
  • 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: 20210288695
    Abstract: A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 16, 2021
    Applicant: Sony Group Corporation
    Inventors: Qimei CUI, Shiyuan LI, Xiaofeng TAO, Chao WANG
  • Publication number: 20210274439
    Abstract: Provided in the present disclosure are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: acquire a wake-up signal from a base station when a user device executes discontinuous reception on an unlicensed band, the wake-up signal comprising information indicating a paging signal receiving mode; and, on the basis of the wake-up signal, determine an operation of the user device for receiving the paging signal.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 2, 2021
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Bowen CAI, Tao CUI, Xiaofeng TAO
  • Patent number: 11096192
    Abstract: The present disclosure relates to an electronic device and a wireless communication method. An electronic device for wireless communication according to one embodiment comprises a processing circuit, wherein the processing circuit is configured to, when a user equipment carries out short-range service communication at a short transmission time interval smaller than a first transmission time interval, implement control so that at least two mutually independent transmission blocks, each having a short transmission time interval, are transmitted in the same subframe, wherein the length of the subframe is the same as the first transmission time interval.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: August 17, 2021
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Xiaofeng Tao, Zhaoqi Peng, Yuming Liu, Xin Guo, Yanyan Lu
  • 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
  • Patent number: 11043991
    Abstract: A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: June 22, 2021
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Shiyuan Li, Xiaofeng Tao, Chao Wang
  • Publication number: 20210153288
    Abstract: The present invention relates to user equipment, an electronic device, a wireless communication method, and a storage medium. According to the present invention, the user equipment comprises a processing circuit, configured to: detect a physical downlink control channel (PDCCH) on a first bandwidth part of an unlicensed frequency band in a detection time of a discontinuous reception (DRX) period; and detect the PDCCH on a second bandwidth part of the unlicensed frequency band when the PDCCH is not detected on the first bandwidth part. By using the user equipment, the electronic device, the wireless communication method, and the storage medium in the present invention, a DRX mechanism of the user equipment operating on the unlicensed frequency band can be improved.
    Type: Application
    Filed: April 30, 2019
    Publication date: May 20, 2021
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Bowen CAI, Tao CUI, Xiaofeng TAO
  • Publication number: 20210138513
    Abstract: An apparatus for cleaning semiconductor substrates includes a chamber (101), a chuck (102), a liquid collector (104), an enclosing wall (105), at least one driving mechanism (106), at least one internal dispenser (111), and at least one external dispenser (118). The chamber (101) has a top wall (1011), a side wall (1012) and a bottom wall (1013). The chuck (102) is disposed in the chamber (101) for holding a semiconductor substrate (103). The liquid collector (104) surrounds the chuck (102). The enclosing wall (105) surrounds the liquid collector (104). The at least one driving mechanism (106) drives the enclosing wall (105) to move up and down, wherein when the at least one driving mechanism (106) drives the enclosing wall (105) to move up, a seal room (110) is formed by the liquid collector (104), the enclosing wall (105), the top wall (1011) of the chamber (101), and the bottom wall (1013) of the chamber (101). The at least one internal dispenser (111) is disposed inside the seal room (110).
    Type: Application
    Filed: March 6, 2017
    Publication date: May 13, 2021
    Applicant: ACM Research (Shanghai) Inc.
    Inventors: Hui Wang, Xiaofeng Tao, Fuping Chen, Shena Jia, Xi Wang, Xiaoyan Zhang, Xuejun Li
  • Publication number: 20210135809
    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: Application
    Filed: June 6, 2018
    Publication date: May 6, 2021
    Applicant: Sony Corporation
    Inventors: Jin XU, Dongru LI, Hang YANG, Chaonan HE, Xiaofeng TAO, Jianfei CAO
  • Publication number: 20210092747
    Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer readable medium. According to one embodiment, an electronic device for wireless communication comprises a processing circuit. The processing circuit is configured to select resource blocks to be used for automatic uplink transmission from amongst a pre-assigned plurality of resource blocks on an unlicensed band, and implement control to use the selected resource blocks for implementing automatic uplink transmission.
    Type: Application
    Filed: May 14, 2019
    Publication date: March 25, 2021
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Jing LIU, Tao CUI, Xiaofeng TAO
  • Publication number: 20210068121
    Abstract: The present invention provides an electronic device and method for wireless communication, and a computer readable storage medium. The electronic device comprises a processing circuit configured to: set a first timer used for counting the activation time of a current bandwidth part (BWP) for a user equipment on an unlicensed frequency band; and switch, when the first timer times out, the user equipment onto another BWP on the unlicensed frequency band.
    Type: Application
    Filed: May 8, 2019
    Publication date: March 4, 2021
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Zhenyu XU, Tao CUI, Xiaofeng TAO, Bowen CAI, Jing LIU