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: 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
  • 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
  • Patent number: 10911960
    Abstract: A frequency allocation method and device for an unauthorized frequency band.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: February 2, 2021
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Jiahui Liu, Xiang Zhou, Xiaofeng Tao
  • Patent number: 10848998
    Abstract: Disclosed are a wireless-communication electronic device and method. The electronic device of a user equipment terminal comprises a processing circuit, said processing circuit being configured to: measure the downlink channel quality of a serving base station and adjacent base station of a user equipment; on the basis of the measured downlink channel quality, determine a first base station set from the serving base station and adjacent base station, the first base station set representing a base station set that is to broadcast or multicast data and information. According to the embodiments of the present disclosure, even if location information is unusable, it is still possible to quickly determine a multicast/broadcast base station, while signaling overhead is also reduced.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: November 24, 2020
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Shiyu Zhang, Xin Guo, Yanyan Lu, Zhaoqi Peng, Xiaofeng Tao
  • Publication number: 20200343951
    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, wherein the processing circuit is configured to conduct control so as to send a reference signal for a direct link to the other user equipment or to receive same from the other user equipment; the processing circuit is also configured to conduct control so as to carry out beamforming-based direct link communication with the other user equipment; and at least one of a sending beam and a receiving beam for direct link communication is determined based on the measurement of the reference signal.
    Type: Application
    Filed: March 11, 2019
    Publication date: October 29, 2020
    Applicant: Sony Corporation
    Inventors: Yanzhao HOU, Xiaofeng TAO, Zhaoqi PENG, Xin GUO, Yuming LIU, Min ZHU, Wei REN
  • Patent number: 10820337
    Abstract: The present disclosure relates to a device in a wireless communication system, and a wireless communication method. An electronic device in the wireless communication system according to the present disclosure comprises one or more processing circuits. The processing circuits are configured to execute the following operations: monitoring resources corresponding to a first semi-persistent scheduling (SPS) configuration used by the electronic device and resources corresponding to other SPS configurations besides the first SPS configuration; and determining an SPS configuration reselection result of the electronic device according to the monitoring result. By using the device in the wireless communication system and the wireless communication method according to the present disclosure, SPS resources can be reasonably configured so as to reduce the possibility of interference, and a reselection of a SPS configuration can be performed quickly and efficiently when potential interference is found.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 27, 2020
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Xiaofeng Tao, Yanyan Lu, Xin Guo, Shiyu Zhang, Zhaoqi Peng
  • Publication number: 20200336229
    Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 22, 2020
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Haowei WANG, Xiaofeng TAO, Bingshan HU
  • Patent number: 10743263
    Abstract: A wireless communication system, an apparatus, and a method in a wireless communication system. The apparatus includes a processing circuit. The processing circuit is configured to: detect whether a pre-set power margin reporting trigger event is satisfied; and trigger, if the pre-set power margin reporting trigger event is satisfied, reporting of a power margin of a user equipment to a base station, wherein the pre-set power margin reporting trigger event includes at least one of the following events: a first event of having detected an idle channel on an unlicensed band; and a second event of having received uplink scheduling licensed signalling from the base station. A power margin in an LAA system can be effectively reported.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: August 11, 2020
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Haowei Wang, Xiaofeng Tao, Bingshan Hu
  • Patent number: 10727962
    Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: July 28, 2020
    Assignee: Sony Corporation
    Inventors: Qimei Cui, Haowei Wang, Xiaofeng Tao, Bingshan Hu