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: 20190044634
    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: February 3, 2017
    Publication date: February 7, 2019
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Haowei WANG, Xiaofeng TAO, Bingshan HU
  • Publication number: 20180376434
    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: Application
    Filed: January 24, 2017
    Publication date: December 27, 2018
    Applicant: SONY CORPORATION
    Inventor: Qimei CUI
  • Patent number: 10149308
    Abstract: A communication quality determination/acquisition device and method for a wireless communication system. The determination device includes: a measuring module configured to perform downlink channel quality measurement based on a distribution of static and dynamic downlink subframes of a target cell, wherein the static downlink subframes are downlink subframes relative to the target cell and at least one neighboring cell, while the dynamic downlink subframes are downlink subframes relative to the target cell and are uplink subframes relative to the at least one neighboring cell; and a communication module configured to report a downlink channel quality measurement result. By performing measurement and reporting while considering downlink subframe configurations and the distribution of the static and dynamic downlink subframes of the target cell, the device and method can accurately measure the channel quality under dynamic TDD UL/DL configurations and report the same to a network side.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 4, 2018
    Assignee: Sony Corporation
    Inventors: Qimei Cui, Ting Fu, Mingliang Tao, Liang Zeng
  • Publication number: 20180324729
    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: October 25, 2016
    Publication date: November 8, 2018
    Applicant: SONY CORPORATION
    Inventors: Yanzhao HOU, Qimei CUI, Shiyu ZHANG, Shiwei CAO, Hui LIANG, Qinyan JIANG, Xin GUO, Chen SUN
  • Publication number: 20180310337
    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: Application
    Filed: October 31, 2016
    Publication date: October 25, 2018
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Haowei WANG, Jiahui LIU, Xiang ZHOU, Xiaofeng TAO, Bingshan HU
  • Publication number: 20180255490
    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: October 31, 2016
    Publication date: September 6, 2018
    Applicant: SONY CORPORATION
    Inventors: Yanzhao HOU, Qimei CUI, Shiyu ZHANG, Shiwei CAO, Hui LIANG, Qinyan JIANG, Xin GUO, Chen SUN
  • Patent number: 10064198
    Abstract: A wireless communication system, wireless communication system and method, the device on the base station side in the wireless communication system including: an edge user equipment (UE) identification unit configured to identify the edge UE on the enhanced physical downlink control channel (EPDCCH) according to the information about the UE received from the UE; and an interference coordination unit configured to apply an interference coordination plan to the EPDCCH of the edge UE. Applying the interference coordination plan to the EPDCCH of the edge UE improves service quality of the edge UE; and setting a proper degree of enhanced control channel element aggregation for the edge UE reduces the number of blind tests of the UE, thus increasing the system response speed.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: August 28, 2018
    Assignee: Sony Corporation
    Inventors: Qimei Cui, Tong Zhang, Weijuan Gao, Hui Wang
  • Publication number: 20180199346
    Abstract: The present disclosure relates to a wireless communication device and a wireless communication method. The wireless communication device according to one embodiment comprises one or more processors, wherein the processor(s) is/are configured to acquire the type of information to be transmitted via device-to-device communication, wherein the type is one of a plurality of types at least including a first type and a second type; and the processor(s) is/are also configured to determine a resource use manner and a power control manner which are used for transmitting information at least according to the type of the information.
    Type: Application
    Filed: July 5, 2016
    Publication date: July 12, 2018
    Applicant: SONY CORPORATION
    Inventors: Yanzhao HOU, Qimei CUI, Shiwei CAO, Hui LIANG, Qinyan JIANG, Shiyu ZHANG, Xin GUO, Chen SUN
  • Patent number: 10021701
    Abstract: A wireless communication method and a wireless communication device. The wireless communication method is used in a coordinated multi-point communication system, and includes: recognizing an edge user equipment; determining the presence of interference to an enhanced physical downlink control channel (ePDCCH) of the edge user equipment; and in response to the determination of the presence of the interference, determining different interference coordination manners according to different scenarios, so as to control the transmission of the ePDCCH or a physical downlink shared channel (PDSCH) of a neighbor cell related to the interference.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: July 10, 2018
    Assignee: Sony Corporation
    Inventors: Qimei Cui, Xiaona Li, Weijuan Gao, Hui Wang, Jiang Han
  • Patent number: 10015689
    Abstract: A carrier coordination device and system, a communications device and method, and a measurement device and method. The carrier coordination device includes: a receiving unit, used to receive interference information for describing interference suffered by a user equipment; and a coordination unit, used to determine an interfering source base station of the user equipment according to the interference information, and coordinate carrier use of the user equipment and/or the interfering source base station at least based on the interference information and carrier state information of the interfering source base station, to reduce the interference suffered by the user equipment. The technology can be applied in a wireless communications field.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: July 3, 2018
    Assignee: Sony Corporation
    Inventors: Hui Tian, Qimei Cui, Zhilin Li, Baoang Jiang, Liqi Gao, Meng Wang
  • Publication number: 20180184460
    Abstract: A base station side and user equipment side device and method in a wireless communication system, and a wireless communication system. The base station side device includes a processor configured to: respond to a random access request of the user equipment and determine that an access process initiated by the user equipment is a contention-based or a non-contention-based access process; and with respect to the contention-based access process, to prepare auxiliary access information for potential user equipment that has failed to access so that the user equipment that has failed to access and the base station can complete the access process based on interaction of auxiliary access information.
    Type: Application
    Filed: July 27, 2016
    Publication date: June 28, 2018
    Applicant: Sony Corporation
    Inventors: Yanzhao HOU, Yuxin WEI, Qimei CUI, Qinyan JIANG, Shiyu ZHANG, Hui LIANG, Shiwei CAO, Xin GUO, Chen SUN, Jinhui CHEN
  • Publication number: 20180167951
    Abstract: An apparatus and a method for a wireless communication network. The apparatus includes circuitry configured for acquiring the first information associated with an indicator indicating communication quality of user terminals served by an interfering base station; acquiring second information associated with an indicator indicating interfered degree of user terminals interfered by the interfering base station; configuring, based on the first information and the second information, transmission of the interfering base station for inter-base station coordination. The technical solution improves the overall performance of the wireless communication heterogeneous network.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 14, 2018
    Applicant: Sony Corporation
    Inventors: Qimei Cui, Hui Tian, Meng Wang, Peng Tian, Liqi Gao
  • Patent number: 9999012
    Abstract: There is provided a method and device in a wireless communication system, the method comprising: a cell information interacting step of interacting information about a first cell and a second cell having interference with each other between the first cell and the second cell to determine a source cell and a target cell among the first cell and the second cell, wherein the target cell performs synchronization with the source cell being a synchronization source; an initial synchronizing step of performing initial frame-level synchronization by the target cell with the source cell being the synchronization source; a synchronization information interacting step of interacting information about a synchronization subframe position between the source cell and the target cell to determine a synchronization subframe position configurable for both the source cell and the target cell; and a symbol-level synchronizing step of performing symbol-level synchronization between the source cell and the target cell according to
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 12, 2018
    Assignee: SONY CORPORATION
    Inventors: Xiaodong Xu, Qimei Cui, Yu Sun, Ningyu Chen, Rui Gao, Jiahui Liu
  • Publication number: 20180160382
    Abstract: A wireless communication equipment and a wireless communication method. The wireless communication equipment used for a user equipment side includes one or more processors. The processors are configured to determine indication information about a type of another user equipment carried in a synchronizing signal from the user equipment, the type including a first type and a second type. The processors are also configured to determine, based on the indication information, corresponding device-to-device communication operation of a user equipment aiming at another user equipment.
    Type: Application
    Filed: March 21, 2016
    Publication date: June 7, 2018
    Inventors: Yanzhao HOU, Qimei CUI, Qinyan JIANG, Hui LIANG, Shiwei CAO, Xin GUO, Chen SUN
  • Publication number: 20180139615
    Abstract: A frequency allocation method and device for an unauthorized frequency band.
    Type: Application
    Filed: April 13, 2016
    Publication date: May 17, 2018
    Applicant: SONY CORPORATION
    Inventors: Qimei CUI, Jiahui LIU, Xiang ZHOU, Xiaofeng TAO
  • Patent number: 9973983
    Abstract: The communication management apparatus includes a reception index determination device configured to determine, with respect to respective neighboring cells of a serving cell of each terminal apparatus within a predetermined cell, and a reference signal reception index for the terminal apparatus according to location information of the terminal apparatus. The reference signal reception index is used for indicating signal reception situation of the terminal apparatus with respect to the neighboring cells.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: May 15, 2018
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Weijuan Gao, Qinyan Jiang, Tong Zhang
  • Patent number: 9948360
    Abstract: Disclosed are a base station, a wireless communication terminal, a wireless communication system, and a wireless communication method. The base station can be used in coordinated multi-point transmission and comprises: a channel quality obtaining unit for obtaining uplink channel quality between a user equipment and a coordinated base station; a channel quality determination unit for comparing the obtained uplink channel quality with a quality threshold to determine whether the uplink channel quality is good or bad; a feedback control unit for determining, according to a determination result, whether to allow the user equipment to feed back channel state information to the corresponding coordinated base station; and a sending unit for sending information, about how to feed back the channel status information, to the user equipment.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: April 17, 2018
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Hui Wang
  • Patent number: 9936513
    Abstract: An apparatus and a method for a wireless communication network. The apparatus includes circuitry configured for acquiring the first information associated with an indicator indicating communication quality of user terminals served by an interfering base station; acquiring second information associated with an indicator indicating interfered degree of user terminals interfered by the interfering base station; configuring, based on the first information and the second information, transmission of the interfering base station for inter-base station coordination. The technical solution improves the overall performance of the wireless communication heterogeneous network.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: April 3, 2018
    Assignee: SONY CORPORATION
    Inventors: Qimei Cui, Hui Tian, Meng Wang, Peng Tian, Liqi Gao
  • Publication number: 20180084369
    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: Application
    Filed: May 24, 2016
    Publication date: March 22, 2018
    Applicant: SONY CORPORATION
    Inventors: Yanzhao HOU, Qimei CUI, Hui LIANG, Shiwei CAO, Qinyan JIANG, Xin GUO, Chen SUN
  • Publication number: 20180020437
    Abstract: The present disclosure relates to wireless communication equipment and a wireless communication method. According to the wireless communication equipment for a base station side in an embodiment, the wireless communication equipment comprises one or multiple processors, and the one or multiple processors are configured to: determine to-be-transmitted communication content of a user equipment for a base station on a target unauthorized frequency band and estimate a transmission progress; and generate indicating information about the transmission progress, and add the indicating information into a communication frame of the user equipment for transmitting the indicating information.
    Type: Application
    Filed: November 6, 2015
    Publication date: January 18, 2018
    Applicant: Sony Corporation
    Inventors: Qimei CUI, Xiaofeng TAO, Xiang ZHOU, Jiahui LIU, Ningyu CHEN