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: 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
  • Publication number: 20200366337
    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: Application
    Filed: November 9, 2018
    Publication date: November 19, 2020
    Applicant: Sony Corporation
    Inventors: Yuxuan XIE, Qimei CUI, Tao CUI, Huiling ZUO, Song WANG
  • Patent number: 10820308
    Abstract: A communications system includes a base station device and a terminal device. The base station device configures an enhanced Physical Downlink Control Channel (ePDCCH), comprising: circuitry, configured to determine ePDCCH position indication information adapted to indicate a position of the ePDCCH in a terminal device search space based on configuration of Demodulation Reference Signal, wherein ePDCCH comprises control information of the terminal device and is aggregated by a number of enhanced control channel elements, each enhanced control channel element consisting of a set of resource elements; and generate a signaling comprising the ePDCCH position indication information for the terminal device.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: October 27, 2020
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Jiang Han, Liang Zeng, Yingni Zhang
  • 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: 10798586
    Abstract: A base station side device and method and user side device and method for wireless communication. The device includes: a sending unit configured to send instruction on an unauthorized frequency band detection to a user equipment (UE) served by the cell where the device is located; a receiving unit configured to receive from the UE a signal representing occupancy status of the unauthorized frequency band; and a determination unit configured to determine based on the signal received by the receiving unit whether to use the unauthorized frequency band for communication, the unauthorized frequency band occupancy status includes occupied/idle status and the type of the occupying system, and the type of occupying system includes one of an unauthorized communication system and an authorized communication system.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: October 6, 2020
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Xiaodong Xu, Jiahui Liu, Ningyu Chen, Xiang Zhou, Yu Sun
  • Publication number: 20200260434
    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: April 28, 2020
    Publication date: August 13, 2020
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Ningyu CHEN, Jiahui LIU, Yingni ZHANG, Liang ZENG, Zhongbin QIN
  • 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
  • Publication number: 20200245282
    Abstract: A device and method for vehicle-to-vehicle communication. The method includes: a source device sends a request message to a base station, the request message being used for requesting the base station to allocating a resource; a node device that is synchronous with the source device sends synchronous information to at least one target device, so that the at least one target device establishes time synchronization with the source device according to the synchronous information, wherein the node device is a road-side device or an in-car device capable of communicating; the source device informs the at least one target device of a resource allocated by the base station; and the source device sends service information to the at least one target device by utilizing the resource.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Applicant: Sony Corporation
    Inventors: Yanzhao HOU, Qimei CUI, Shiyu ZHANG, Shiwei CAO, Hui LIANG, Qinyan JIANG, Xin GUO, Chen SUN
  • 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
  • Patent number: 10674492
    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: March 6, 2019
    Date of Patent: June 2, 2020
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Ningyu Chen, Jiahui Liu, Yingni Zhang, Liang Zeng, Zhongbin Qin
  • Patent number: 10667225
    Abstract: A device and method for vehicle-to-vehicle communication. The method includes: a source device sends a request message to a base station, the request message being used for requesting the base station to allocating a resource; a node device that is synchronous with the source device sends synchronous information to at least one target device, so that the at least one target device establishes time synchronization with the source device according to the synchronous information, wherein the node device is a road-side device or an in-car device capable of communicating; the source device informs the at least one target device of a resource allocated by the base station; and the source device sends service information to the at least one target device by utilizing the resource.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 26, 2020
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Qimei Cui, Shiyu Zhang, Shiwei Cao, Hui Liang, Qinyan Jiang, Xin Guo, Chen Sun
  • Publication number: 20200162974
    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: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Applicant: Sony Corporation
    Inventors: Yanzhao HOU, Qimei CUI, Shiyu ZHANG, Shiwei CAO, Hui LIANG, Qinyan JIANG, Xin GUO, Chen SUN
  • Patent number: 10645728
    Abstract: A wireless communication device and a wireless communication method. The wireless communication device for use on a base station side includes one or more processors. The processor is configured to determine start time and end time of data transmission on one or more auxiliary carriers on an unlicensed frequency band. The processor is further configured to control to send indication information about the start time and the end time to other base stations.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: May 5, 2020
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Haowei Wang, Jiahui Liu, Xiang Zhou, Xiaofeng Tao, Bingshan Hu
  • Patent number: 10582429
    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: October 31, 2016
    Date of Patent: March 3, 2020
    Assignee: SONY CORPORATION
    Inventors: Yanzhao Hou, Qimei Cui, Shiyu Zhang, Shiwei Cao, Hui Liang, Qinyan Jiang, Xin Guo, Chen Sun
  • Patent number: 10567122
    Abstract: A method, base station, and terminal for dynamic uplink configuration in a wireless communication system, the method including: determining reconfiguration information including a reconfiguration point of time, to employ first uplink and downlink subframe configuration in the first configuration period before the reconfiguration point of time, and to employ second uplink and downlink subframe configuration in a second configuration period after the reconfiguration point of time; and in the last transmission period before the reconfiguration point of time, employing an uplink scheduling timing sequence of a reference uplink and downlink subframe configuration according to an uplink data timing sequence, the reference uplink and downlink subframe configuration including the second uplink and downlink subframe configuration.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: February 18, 2020
    Assignee: Sony Corporation
    Inventors: Qimei Cui, Mingliang Tao, Ting Fu
  • Publication number: 20200037167
    Abstract: A frequency allocation method and device for an unauthorized frequency band.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 30, 2020
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Jiahui LIU, Xiang ZHOU, Xiaofeng TAO
  • Publication number: 20200021951
    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 beamforming 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: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Tong ZHANG, Zhongbin QIN, Weijuan GAO, Hui LIANG, Qinyan JIANG