Patents by Inventor Anxin Li

Anxin Li 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: 20210127341
    Abstract: There is provided user equipment of a radio communication system that supports D2D communication, the user equipment including a receiver configured to receive a predetermined synchronization signal; a synchronization processor configured to perform a process for synchronizing with the predetermined synchronization signal; and a transmitter configured to transmit a synchronization signal in a subframe that is the same as that of a synchronization signal transmitted from any other user equipment when the synchronization signal transmitted from the other user equipment is received by the receiver and received power of the synchronization signal transmitted from the other user equipment is less than a predetermined threshold value, wherein the transmitter interrupts transmission of the synchronization signal for a predetermined time interval, and the receiver measures the received power of the synchronization signal transmitted from the other user equipment in the predetermined time interval.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 29, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Liu Liu, Anxin Li, Huiling Jiang
  • Publication number: 20210127361
    Abstract: A user equipment in a wireless communication system that supports D2D communication includes: a selection unit that selects a first control information resource for transmitting control information from a control information resource pool and selects a first data resource for transmitting data from a data transmission resource pool among radio resources in which the control information resource pool and the data transmission resource pool are continuously set without any limitation in a time direction; and a transmission unit that transmits control information including information that designates the first data resource by using the first control information resource and transmits data by using the first data resource.
    Type: Application
    Filed: January 25, 2017
    Publication date: April 29, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Huiling Jiang, Liu Liu, Anxin Li
  • Patent number: 10952067
    Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal includes: a processing unit for obtaining terminal network capability information about at least one of a computing capability, a storage capability, and a support capability for neural network of the terminal; and a transmitting unit for transmitting the terminal network capability information to a base station.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: March 16, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Jing Wang, Anxin Li, Lan Chen, Xin Wang, Xiaolin Hou
  • Patent number: 10912039
    Abstract: Provided are a method for controlling a transmission power, a mobile station and a base station. The method for controlling the transmit power can be applied to a mobile station, and the method includes: acquiring a power control pattern, which is information related to a scheme of controlling the transmission power; determining a reference power control parameter for the mobile station according to the power control pattern; and determining the transmission power of the mobile station based on the reference power control parameter. The method for controlling the transmission power according to the embodiments of the present disclosure enables the user equipment to transmit signals to the base station at a proper transmission power, and further enables the base station side to distinguish different user equipments according to differences of received powers of a plurality of users that adopt Non-orthogonal Multiple Access.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: February 2, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Xiaohang Chen, Anxin Li, Qin Mu, Liu Liu, Huiling Jiang, Satoshi Nagata
  • Patent number: 10893507
    Abstract: A method for notifying a repetition pattern of uplink data, a method for determining a repetition pattern of uplink data, and a corresponding user equipment (UE) and base station are provided, wherein the base station is notified of a repetition pattern selected by the UE, so that the base station can correctly determine a transmitting timing of feedback information, thereby preventing a problem in which a transmitting timing of expected feedback information of the UE is inconsistent with the transmitting timing of the feedback information determined by the base station.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: January 12, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Qin Mu, Liu Liu, Xiaohang Chen, Anxin Li, Huiling Jiang, Satoshi Nagata
  • Publication number: 20200366537
    Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal may include a control unit configured to input a downlink channel to a neural network of the terminal; and the control unit further configured to control the neural network of the terminal to process the input and output feedback information.
    Type: Application
    Filed: January 8, 2020
    Publication date: November 19, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Xin WANG, Jing WANG, Xiaolin HOU, Lan CHEN, Anxin LI, Takahiro ASAI
  • Publication number: 20200367264
    Abstract: This disclosure provides a terminal and a base station. The base station includes: a processing unit configured to determine scheduling information for a first terminal according to historical information of the first terminal; and a transmitting unit configured to transmit the determined scheduling information to the first terminal.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 19, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Lan CHEN, Jing WANG, Xin WANG, Anxin LI, Xiaolin HOU, Liling CAI
  • Publication number: 20200367051
    Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal includes: a processing unit for obtaining terminal network capability information about at least one of a computing capability, a storage capability, and a support capability for neural network of the terminal; and a transmitting unit for transmitting the terminal network capability information to a base station.
    Type: Application
    Filed: January 29, 2020
    Publication date: November 19, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Jing WANG, Anxin LI, Lan CHEN, Xin WANG, Xiaolin HOU
  • Publication number: 20200322923
    Abstract: Provided is user equipment of a radio communication system that supports D2D communication, the user equipment including a selector that selects a plurality of control information resources for repeatedly transmitting control information from a control information resource pool and that selects a plurality of data resources for repeatedly transmitting data from a data transmission resource pool; and a transmitter that repeatedly transmits the control information including information that specifies the data resources using the control information resources and repeatedly transmits the data using the data resources, wherein the selector selects the control information resources and the data resources so that a control information resource for transmitting the control information for a first time among the control information resources and a data resource for transmitting the data for a first time among the data resources are in a same subframe.
    Type: Application
    Filed: March 16, 2017
    Publication date: October 8, 2020
    Applicants: NTT DOCOMO, INC., NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Liu Liu, Anxin Li, Huiling Jiang
  • Patent number: 10764856
    Abstract: The present application provides an uplink data transmission method and a user terminal (UE) for executing the method. The method in the present application comprises: A, generating a first random number; B, determining, according to the generated first random number, whether to initiate a random access process; if the random access process is initiated, obtaining a timing advance (TA) value from a base station by means of the random access process; and if the random access process is not initiated, listening for a TA message broadcast by another UE and obtaining a TA value from the TA message; C, transmitting uplink data according to the obtained TA value; D, if the uplink data is successfully transmitted, continuing to perform E, and if the uplink data is unsuccessfully transmitted, returning to A; and E, generating a TA message according to the obtained TA value, and broadcasting the generated TA message.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: September 1, 2020
    Assignee: NTT DoCoMo, Inc.
    Inventors: Neng Ye, Xiangming Li, Anxin Li, Xiaohang Chen, Qun Zhao, Huiling Jiang
  • Patent number: 10728881
    Abstract: There is provided user equipment of a radio communication system that supports D2D communication. The user equipment includes a storage that stores a Gap pattern indicating a Gap period repeatedly configured in a radio resource for UL; and a transmitter that transmits a signal of D2D communication in a Gap period indicated by the Gap pattern stored in the storage.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 28, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Liu Liu, Anxin Li, Huiling Jiang
  • Publication number: 20200196297
    Abstract: Provided are a resource determination method, a base station and a mobile station. A resource determination method performed by the base station according to embodiments of the present invention includes: determining a resource configuration used for uplink transmission for each mobile station group in a plurality of mobile station groups corresponding to the base station; determining a resource offset set used for the plurality of mobile station groups, wherein the resource offset set includes a plurality of resource candidate offsets such that a mobile station connected to the base station determines uplink transmission resources for the mobile station according to the resource configuration of the mobile station group to which the mobile station belongs and resource candidate offsets in the resource offset set.
    Type: Application
    Filed: August 18, 2017
    Publication date: June 18, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Xiaohang CHEN, Anxin LI, Qin MU, Liu LIU, Huiling JIANG, Satoshi NAGATA
  • Publication number: 20200196245
    Abstract: Provided are a method for controlling a transmission power, a mobile station and a base station. The method for controlling the transmit power can be applied to a mobile station, and the method includes: acquiring a power control pattern, which is information related to a scheme of controlling the transmission power; determining a reference power control parameter for the mobile station according to the power control pattern; and determining the transmission power of the mobile station based on the reference power control parameter. The method for controlling the transmission power according to the embodiments of the present disclosure enables the user equipment to transmit signals to the base station at a proper transmission power, and further enables the base station side to distinguish different user equipments according to differences of received powers of a plurality of users that adopt Non-orthogonal Multiple Access.
    Type: Application
    Filed: August 16, 2017
    Publication date: June 18, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Xiaohang CHEN, Anxin LI, Qin MU, Liu LIU, Huiling JIANG, Satoshi NAGATA
  • Publication number: 20200067659
    Abstract: Embodiments of the present invention provide a transmission method used in uplink hybrid automatic repeat request (HARQ) transmission, a base station, and a mobile station. The transmission method used in uplink hybrid automatic repeat request (HARQ) transmission, which is applied to a base station, includes: receiving uplink transmission information sent from one or more terminal devices (UEs), the uplink transmission information sent by each UE comprising identifier information and data information of the UE; detecting the identifier information of the one or more UEs according to the uplink transmission information; and when identifier information that is not properly detected according to the uplink transmission information exists, sending a common failure response signal to multiple UEs connected to the base station.
    Type: Application
    Filed: January 8, 2018
    Publication date: February 27, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Xiaohang CHEN, Anxin LI, Qun ZHAO, Huiling JIANG
  • Patent number: 10405323
    Abstract: The present disclosure provides a method, User Equipment (UE) and base station for adjusting a Modulation and Coding Scheme (MCS). The method comprises: receiving, by a user equipment (UE), a first downlink data frame sent by a base station at a first moment, and estimating, by the UE, a first Signal to Interference and Noise Ratio (SINR) and a first Channel Quality Indicator (CQI) according to the first downlink data frame; estimating a second SINR and a second CQI according to a received second downlink data frame, wherein the second downlink data frame is sent by the base station at a second moment later than the first moment; calculating, by the UE, a MCS variation according to at least one of the first CQI, the second CQI, the first SINR or the second SINR; and feeding back, by the UE, the MCS variation to the base station.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: September 3, 2019
    Assignee: NTT DoCoMo, Inc.
    Inventors: Yang Lan, Anxin Li, Huiling Jiang
  • Publication number: 20190230630
    Abstract: Disclosed are a method for notifying a repetition pattern of uplink data, a method for determining a repetition pattern of uplink data, and a corresponding user equipment and base station. The method for notifying a repetition pattern of uplink data includes: selecting one of a plurality of repetition patterns as a repetition pattern of uplink data; and explicitly or implicitly notifying a base station of the selected repetition pattern by the uplink data. The method for determining a repetition pattern of uplink data includes: receiving uplink data; and determining a repetition pattern of the uplink data according to information included in the uplink data or a transmitting manner of the uplink data.
    Type: Application
    Filed: August 17, 2017
    Publication date: July 25, 2019
    Applicant: NTT DOCOMO, INC.
    Inventors: Qin MU, Liu LIU, Xiaohang CHEN, Anxin LI, Huiling JIANG, Satoshi NAGATA
  • Publication number: 20190215792
    Abstract: The present application provides an uplink data transmission method and a user terminal (UE) for executing the method. The method in the present application comprises: A, generating a first random number; B, determining, according to the generated first random number, whether to initiate a random access process; if the random access process is initiated, obtaining a timing advance (TA) value from a base station by means of the random access process; and if the random access process is not initiated, listening for a TA message broadcast by another UE and obtaining a TA value from the TA message; C, transmitting uplink data according to the obtained TA value; D, if the uplink data is successfully transmitted, continuing to perform E, and if the uplink data is unsuccessfully transmitted, returning to A; and E, generating a TA message according to the obtained TA value, and broadcasting the generated TA message.
    Type: Application
    Filed: July 7, 2017
    Publication date: July 11, 2019
    Applicant: NTT DoCoMo, Inc.
    Inventors: Neng YE, Xiangming LI, Anxin LI, Xiaohang CHEN, Qun ZHAO, Huiling JIANG
  • Publication number: 20190208504
    Abstract: A user equipment including: a selection unit that selects, based on a result of sensing performed in a first time window and on a transmission interval of a signal, one or more resource candidates in a second time window after the first time window; and a transmission unit that selects a resource for transmitting a signal from the selected one or more resource candidates, and transmits the signal.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 4, 2019
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinpei Yasukawa, Satoshi Nagata, Qun Zhao, Jing Wang, Huan Wang, Liu Liu, Anxin Li, Huiling Jiang
  • Patent number: 10313987
    Abstract: The present disclosure provides a method for controlling a power, comprising: determining an average basic transmission power of all User Equipments (UEs) in a cell in each first resource; for each first resource, determining a UE group scheduled in the first resource and a first transmission power allocation factor corresponding to the UE group according to the average basic transmission power. The present disclosure also provides an apparatus for controlling a power. According to the present disclosure, a base station determines a UE group scheduled in each subband and a transmission power for each UE in the UE group.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 4, 2019
    Assignee: NTT DoCoMo, Inc.
    Inventors: Anxin Li, Huiling Jiang
  • Publication number: 20190159224
    Abstract: There is provided user equipment of a radio communication system that supports D2D communication. The user equipment includes a storage that stores a Gap pattern indicating a Gap period repeatedly configured in a radio resource for UL; and a transmitter that transmits a signal of D2D communication in a Gap period indicated by the Gap pattern stored in the storage.
    Type: Application
    Filed: April 14, 2017
    Publication date: May 23, 2019
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Liu Liu, Anxin Li, Huiling Jiang