Patents by Inventor Anjian Li

Anjian 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).

  • Patent number: 11095481
    Abstract: Embodiments of the present invention relate to a channel estimation method, a base station, user equipment UE, and a system. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 17, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qiming Li, Jing Han, Anjian Li, Xizeng Dai, Yue Zhao, Xingqing Cheng
  • Patent number: 10849188
    Abstract: Embodiments of the present invention relate to the communications field and disclose a data transmission device, method, and system, so as to better improve an average downlink throughput of UE. A specific solution is: A determining unit determines a downlink frequency shift according to a received uplink signal sent by a terminal device, and determines a second transmit frequency according to the downlink frequency shift and a first transmit frequency; and a sending unit sends a downlink signal to the terminal device according to the second transmit frequency determined by the determining unit, so that the terminal device receives the downlink signal according to a receive frequency corresponding to the first transmit frequency, where the downlink signal includes at least one of a DMRS or downlink data. The present invention is applied in a data transmission process.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 24, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xizeng Dai, Qiming Li, Jing Han, Anjian Li, Fankui Lin
  • Patent number: 10813170
    Abstract: A network device for locating performing following operations: determining a base station set and an auxiliary UE set that participate in locating of to-be-located target UE; receiving from the to-be-located target UE, a first RSTD set of positioning reference signals PRSs sent by any two base stations in the base station set to the to-be-located target UE, and a second RSTD set of a PRS sent by any auxiliary UE in the auxiliary UE set to the to-be-located target UE and a PRS sent by a reference base station in the base station set to the to-be-located target UE; and determining location information of the plurality of to-be-located UEs based on the first RSTD set, the second RSTD set, and location information of base stations included in the base station set. Locating accuracy and flexibility can be improved.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: October 20, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jiantao Xue, Kailong Wang, Anjian Li, Yuan Gao
  • Patent number: 10732724
    Abstract: The method is applied to a terminal device, the terminal device stores training sample data, and the training sample data includes a correlation spectrum characteristic vector of a reflected signal of a sounding reference signal (SRS) and a corresponding user gesture identifier. The method includes: transmitting, by the terminal device, a first sounding reference signal (SRS); receiving, by the terminal device, a multipath reflected signal that is of the first sounding reference signal (SRS) and that is reflected from a gesture-making object, and performing a related operation on the reflected signal and a signal template corresponding to the first sounding reference signal (SRS), to obtain a correlation spectrum characteristic vector of the reflected signal; and matching, by the terminal device, the correlation spectrum characteristic vector of the reflected signal against the training sample data, to recognize an input gesture.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: August 4, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jiantao Xue, Anjian Li, Bin Su
  • Patent number: 10716041
    Abstract: The present disclosure relates to communication methods and devices. One example access network device includes at least one processor configured to generate requirement indication information. The requirement indication information is used to indicate a radio resource management (RRM) requirement to be satisfied by a user equipment (UE). The RRM requirement is suitable for a high-speed mobile communication environment. The example access network device also includes a transmitter configured to send the requirement indication information to the UE.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: July 14, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qiming Li, Jing Han, Anjian Li, Fankui Lin
  • Patent number: 10684351
    Abstract: Embodiments of the present invention provide a terminal device and a positioning system, and relate to the field of communications technologies. The terminal device is configured to: obtain identifiers of at least two antenna elements and attribute information of a reference signal corresponding to each of the at least two antenna elements; receive at least two reference signals based on the attribute information, where the at least two reference signals are sent by corresponding antenna elements of the at least two antenna elements, respectively; obtain positioning information; and send, to the network device, the positioning information and identification information of antenna elements corresponding to the positioning information. Positioning signals obtained by different antenna elements are different, so that the terminal device can identify which antenna element a received positioning signal comes from.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 16, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jiantao Xue, Anjian Li, Bin Su
  • Publication number: 20200162288
    Abstract: Embodiments of the present invention relate to a channel estimation method, a base station, user equipment UE, and a system. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: Qiming LI, Jing HAN, Anjian LI, Xizeng DAI, Yue ZHAO, Xingqing CHENG
  • Publication number: 20200112893
    Abstract: The present disclosure relates to communication methods and devices. One example access network device includes at least one processor configured to generate requirement indication information. The requirement indication information is used to indicate a radio resource management (RRM) requirement to be satisfied by a user equipment (UE). The RRM requirement is suitable for a high-speed mobile communication environment. The example access network device also includes a transmitter configured to send the requirement indication information to the UE.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 9, 2020
    Inventors: Qiming LI, Jing HAN, Anjian LI, Fankui LIN
  • Patent number: 10588109
    Abstract: The present disclosure relates to the mobile communications field. In a positioning base station determining method, a positioning server receives a positioning request message from a terminal device; the positioning server obtains information about a candidate base station from a serving base station of the terminal device according to the positioning request message, where the information about a candidate base station indicates at least one base station; and the positioning server determines a positioning base station set according to the information about a candidate base station, where the positioning base station set includes a positioning base station configured to position the terminal device, and the positioning base station includes one or more of the at least one base station and/or the serving base station.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 10, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jiantao Xue, Houping Ren, Anjian Li
  • Patent number: 10574485
    Abstract: A channel estimation method, a base station, user equipment (UE), and a system are provided. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: February 25, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qiming Li, Jing Han, Anjian Li, Xizeng Dai, Yue Zhao, Xingqing Cheng
  • Patent number: 10531347
    Abstract: The present invention discloses a positioning method. When a primary cell PCell and a serving cell SCell that are of user equipment UE have different uplink-downlink configurations at a same subframe location, and the UE does not support simultaneous transmission and reception, the method includes: receiving, by a first device, positioning information of the UE, where the positioning information includes positioning assistance information, or positioning assistance information and a UE identifier, and the positioning assistance information includes at least positioning reference signal PRS information, or PRS information and a Cell ID; determining, by the first device and according to the positioning information, that the UE performs PRS measurement at the same subframe location of the SCell that has same configuration, and avoiding, by the first device, scheduling data or configuring a sounding signal sounding at the same subframe location of the PCell and the SCell that have different configurations.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: January 7, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jing Han, Hong Li, Jie Cui, Anjian Li, Jiantao Xue
  • Patent number: 10524174
    Abstract: Embodiments of the present application disclose an access network device that includes at least one processor configured to generate requirement indication information. The requirement indication information is used to indicate a radio resource management (RRM) requirement to be satisfied by a user equipment (UE). The RRM requirement is suitable for a high-speed mobile communication environment. The access network device also includes a transmitter configured to send the requirement indication information to the UE.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: December 31, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qiming Li, Jing Han, Anjian Li, Fankui Lin
  • Patent number: 10506480
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 10, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dengkun Xiao, Jing Han, Anjian Li, Yuan He, Tong Wu, Jie Cui, Liji Wu
  • Publication number: 20190297673
    Abstract: A network device for locating performing following operations: determining a base station set and an auxiliary UE set that participate in locating of to-be-located target UE; receiving from the to-be-located target UE, a first RSTD set of positioning reference signals PRSs sent by any two base stations in the base station set to the to-be-located target UE, and a second RSTD set of a PRS sent by any auxiliary UE in the auxiliary UE set to the to-be-located target UE and a PRS sent by a reference base station in the base station set to the to-be-located target UE; and determining location information of the plurality of to-be-located UEs based on the first RSTD set, the second RSTD set, and location information of base stations included in the base station set. Locating accuracy and flexibility can be improved.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: Jiantao XUE, Kailong WANG, Anjian LI, Yuan GAO
  • Patent number: 10425911
    Abstract: The present invention discloses a positioning apparatus and method. In embodiments of the present invention, a sending module sends auxiliary data information to a terminal, where the auxiliary data information is information required by the terminal to perform measurement on positioning nodes, where the auxiliary data information includes positioning node index numbers of the positioning nodes; a receiving module receives a positioning measurement result sent by the terminal, and provides the positioning measurement result to a positioning module, where the positioning measurement result includes a positioning measurement result corresponding to each positioning node index number, or a positioning measurement result that a reference positioning node index number separately corresponds to other positioning node index numbers; and the positioning module determines a location of the terminal by using the positioning measurement result.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: September 24, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jie Cui, Anjian Li
  • Patent number: 10425841
    Abstract: The present invention relates to the field of mobile communications technologies, and in particular, to an RS SNR reporting and receiving method, a terminal, and a base station, where the method comprises: sending, by the terminal, a user capability message to a serving base station, where the user capability message carries capability information of measuring and reporting an RS SNR by the terminal; and sending, by the serving base station, a measurement result reporting instruction message to the terminal based on the user capability message, and then reporting, to the serving base station, an RS SNR obtained by means of measurement.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 24, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tong Wu, Jie Cui, Hong Li, Anjian Li
  • Patent number: 10401468
    Abstract: Embodiments of the present disclosure provide a single positioning controller and a positioning control system. The single positioning controller includes: a sending module, configured to send a first positioning measurement request to a first access network node or a first terminal device; a receiving module, configured to receive at least one first positioning measurement result sent by the first access network node or the first terminal device; and a processing module, configured to perform fusion calculation on the at least one first positioning measurement result to obtain location information of the first terminal device.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 3, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jie Cui, Jing Han, Anjian Li, Hong Li
  • Patent number: 10404516
    Abstract: A data demodulation method, apparatus, and system are presented. The method includes obtaining notification information indicating that user equipment (UE) is in a high-speed moving state; performing time-frequency synchronization processing on first downlink data according to the notification information to obtain second downlink data; and performing demodulation processing on the second downlink data to obtain third downlink data, where in the demodulation processing, inter-transmission time intervals (TTIs) filtering for a channel estimation is not performed, or a filtering coefficient as a weight of a current TTI for a channel estimation is greater than a filtering coefficient as a weight of a TTI that is at the time when the UE is in the non-high-speed moving state for a channel estimation. The demodulation method is applicable to a high-speed scenario for improving a downlink data throughput of the UE.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: September 3, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qiming Li, Jiadi Liu, Jing Han, Anjian Li
  • Patent number: 10397893
    Abstract: A method is provided. The method includes allocating a specified time period for receiving an uplink reference signal to each node, receiving an uplink reference signal that is received in the specified time period and forwarded by each node, obtaining power or a signal-to-noise ratio of the uplink reference signal forwarded by each node, selecting a time period corresponding to an uplink reference signal with maximum power or a maximum signal-to-noise ratio as a positioning time period, obtaining a corresponding positioning node according to the positioning time period and the specified time period for receiving an uplink reference signal, and determining a location of the mobile terminal according to a location of the positioning node.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: August 27, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jie Cui, Anjian Li, Xizeng Dai
  • Patent number: 10390325
    Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and disclose a positioning method and device, so as to resolve a prior-art problem of relatively low positioning precision caused by a relatively long message transmission delay. A specific solution is as follows: A positioning controller: sends, to a user device, a message that carries positioning auxiliary information including an identifier of a first base station and an identifier of at least one second base station; receives a message that carries a positioning measurement result; obtains location information of the first base station and location information of the at least one second base station; and determines location information of the user device according to the positioning measurement result, the location information of the first base station, and the location information of the at least one second base station.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 20, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Anjian Li, Jie Cui, Jing Han, Hong Li