Patents by Inventor Qimei Cui

Qimei Cui 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: 20220110133
    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: December 17, 2021
    Publication date: April 7, 2022
    Applicant: Sony Group Corporation
    Inventors: Qimei CUI, Zhenyu XU, Tao CUI, Xiaofeng TAO, Bowen CAI, Jing LIU
  • 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: 20220014253
    Abstract: The present invention relates to an electronic device, a wireless communication method and a computer-readable medium. The electronic apparatus for wireless communication according to one embodiment comprises a processing circuit. The processing circuit is configured to perform control to carry out carrier aggregation communication with a base station by means of at least a first cell and a second cell. The processing circuit is further configured to perform control to send first information for beam failure recovery of the second cell to the base station by means of the first cell.
    Type: Application
    Filed: January 6, 2020
    Publication date: January 13, 2022
    Applicant: Sony Group Corporation
    Inventors: Jin XU, Wenjing REN, Ying ZHOU, Dongru LI, Qimei CUI, Jianfei CAO
  • 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: 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: 20210321393
    Abstract: A device and method controlling working state change of a small cell and a base station including the device. The device includes: an information acquiring unit that acquires interference between a small cell to be controlled and an adjacent small cell and/or load of the small cell to be controlled; and a state change determination unit that determines working state change to be performed by the small cell to be controlled according to the acquired interference and/or load. The working state includes multiple sleep levels from low to high. A sleep degree of the small cell to be controlled in a low sleep level is less than a sleep degree of the small cell to be controlled in a high sleep level, the working state change being performed among multiple sleep levels.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Applicant: Sony Group Corporation
    Inventors: Qimei CUI, Ningyu CHEN, Jiahui LIU, Yingni ZHANG, Liang ZENG, Zhongbin QIN
  • Patent number: 11128992
    Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beam-forming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: September 21, 2021
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Tong Zhang, Zhongbin Qin, Weijuan Gao, Hui Liang, Qinyan Jiang
  • 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: 11076393
    Abstract: A device and method controlling working state change of a small cell and a base station including the device. The device includes: an information acquiring unit that acquires interference between a small cell to be controlled and an adjacent small cell and/or load of the small cell to be controlled; and a state change determination unit that determines working state change to be performed by the small cell to be controlled according to the acquired interference and/or load. The working state includes multiple sleep levels from low to high. A sleep degree of the small cell to be controlled in a low sleep level is less than a sleep degree of the small cell to be controlled in a high sleep level, the working state change being performed among multiple sleep levels.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: July 27, 2021
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Ningyu Chen, Jiahui Liu, Yingni Zhang, Liang Zeng, Zhongbin Qin
  • 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
  • Patent number: 11012840
    Abstract: Disclosed are a wireless communication device and a wireless communication method. The wireless communication device according to one embodiment comprises one or more processors. The processors are configured so as to: on the basis of auxiliary dissemination limitation information about a source device as an information dissemination source, acquire device information about candidate devices capable of establishing direct communication with the source device; on the basis of the locations of the source device and the candidate devices, select a target device for establishing direct communication with the source device from the candidate devices; and determine a transmission resource for direct communication with the target device and generate a transmission resource scheduling indication.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: May 18, 2021
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Qimei Cui, Hui Liang, Shiwei Cao, Qinyan Jiang, Xin Guo, Chen Sun
  • 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
  • Patent number: 10944449
    Abstract: Disclosed are an apparatus and method in a wireless communication system, and a computer readable storage medium. The apparatus comprises a processing circuit, the processing circuit being configured to: instruct one or more second base stations to assess an idle channel for an unauthorized frequency band on the basis of position information of the one or more second base stations and position information of a user equipment such that the one or more second base stations control access to the unauthorized frequency band on the basis of information of the assessment result relating to the idle channel. According to at least one aspect of an embodiment of the present disclosure, accessing a channel on an unauthorized frequency band of, for example, 60 GHz on the basis of position information may improve the speed and reliability of channel access.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: March 9, 2021
    Assignee: SONY CORPORATION
    Inventors: Yuxuan Xie, Qimei Cui, Tao Cui, Huiling Zuo, Song Wang
  • 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
  • Publication number: 20200374704
    Abstract: Provided 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: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.
    Type: Application
    Filed: May 10, 2019
    Publication date: November 26, 2020
    Applicant: Sony Corporation
    Inventors: Song WANG, Qimei CUI, Tao CUI, Yuxuan XIE, Huiling ZUO
  • Patent number: 10849033
    Abstract: A wireless communication device and a wireless communication method. A wireless communication device for use in a user equipment side includes one or more processors. The processor is configured to: obtain information about movement of the wireless communication device relative to a serving base station thereof; adjust a triggering condition for sending a measurement report for use in cell handover based on the information; and control sending of the measurement report according to the adjusted triggering condition.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: November 24, 2020
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Qimei Cui, Shiyu Zhang, Shiwei Cao, Hui Liang, Qinyan Jiang, Xin Guo, Chen Sun