Patents by Inventor Leiming Zhang

Leiming Zhang 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: 12237959
    Abstract: This application discloses a sequence generating method and apparatus, and relates to the field of communications technologies, to resolve a problem that a PAPR of a DMRS symbol is higher than that of a data symbol. An initialization factor of a first sequence is obtained, where the initialization factor is associated with a first parameter, and the first sequence is generated based on the initialization factor. In addition, the first parameter is a port number, or the first parameter is a code division multiplexing CDM group identity.
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: February 25, 2025
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kunpeng Liu, Mingxin Gong, Leiming Zhang
  • Patent number: 12127134
    Abstract: Example signal sending methods and apparatus are described. One example method includes obtaining a first insertion loss corresponding to a first resource and a second insertion loss corresponding to a second resource, where the first insertion loss is different from the second insertion loss. A first transmit power corresponding to the first resource is determined based on the first insertion loss. A second transmit power corresponding to the second resource is determined based on the second insertion loss. A first signal is sent on the first resource based on the first transmit power. A second signal is sent on the second resource based on the second transmit power.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: October 22, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ye Liu, Leiming Zhang, Kunpeng Liu
  • Patent number: 12075275
    Abstract: This application relates to a communications method and apparatus, and a device. The communications method includes: A terminal device determines a first codeword set, where the first codeword set includes a first codeword, the first codeword is a 4×1 matrix, and each element in the matrix is a non-zero element.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: August 27, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xianda Liu, Kunpeng Liu, Leiming Zhang
  • Publication number: 20240187292
    Abstract: This application discloses a sequence generating method and apparatus, and relates to the field of communications technologies, to resolve a problem that a PAPR of a DMRS symbol is higher than that of a data symbol. An initialization factor of a first sequence is obtained, where the initialization factor is associated with a first parameter, and the first sequence is generated based on the initialization factor. In addition, the first parameter is a port number, or the first parameter is a code division multiplexing CDM group identity.
    Type: Application
    Filed: December 13, 2023
    Publication date: June 6, 2024
    Inventors: Kunpeng LIU, Mingxin GONG, Leiming ZHANG
  • Patent number: 11937191
    Abstract: This application provides a communications method and apparatus, to improve uplink transmission performance. The method includes determining, by a terminal device, capability indication information and sending the capability indication information to a network device. The capability indication information is used to determine a power scaling factor, the power scaling factor is a ratio of a sum of actual transmit power of n non-zero antenna ports to channel transmit power, and a maximum value of the channel transmit power is a rated maximum transmit power of a system.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: March 19, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xianda Liu, Kunpeng Liu, Leiming Zhang
  • Patent number: 11916705
    Abstract: Embodiments of the present invention disclose a reference signal transmission method, including: sending, by a terminal, a first reference signal and a second reference signal; and correspondingly, receiving, by a network device, the first reference signal and the second reference signal, where the first reference signal is mapped to a plurality of symbols and is used for estimation of channel state information, the second reference signal is mapped to at least two of the plurality of symbols and is used for phase tracking, and a subcarrier to which the second reference signal is mapped on one of the at least two symbols has a same frequency-domain location as a subcarrier to which the second reference signal is mapped on the rest of the at least two symbols. With the foregoing solution, accuracy of channel state information estimation can be improved.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yu Sun, Yi Qin, Zhongfeng Li, Leiming Zhang, Shengyue Dou
  • Patent number: 11894963
    Abstract: This application discloses a sequence generating method and apparatus, and relates to the field of communications technologies, to resolve a problem that a PAPR of a DMRS symbol is higher than that of a data symbol. An initialization factor of a first sequence is obtained, where the initialization factor is associated with a first parameter; and the first sequence is generated based on the initialization factor. In addition, the first parameter is a port number, or the first parameter is a code division multiplexing CDM group identity.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: February 6, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kunpeng Liu, Mingxin Gong, Leiming Zhang
  • Patent number: 11889513
    Abstract: This application provides an example communication method and an example apparatus. The method includes a first network device generates first indication information to indicate a first downlink resource. Second indication information indicates a second downlink resource. Because the first indication information may indicate whether the second indication information exists, if a terminal device detects the first indication information in the first time unit, and the first indication information indicates that the second indication information does not exist in the first time unit, the terminal device may stop a blind detection process on the second indication information in advance.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 30, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xianda Liu, Kunpeng Liu, Xu Zhang, Leiming Zhang, Xiang Gao, Yongxing Zhou
  • Patent number: 11831379
    Abstract: The present disclosure relates to methods for feeding back channel state information, user equipment, and base stations. One example method includes receiving a reference signal sent by a base station, selecting a precoding matrix W from a codebook according to the reference signal, where a column vector of the precoding matrix W may be expressed as ?[vej?v]T, v=[1 ej?], and sending a precoding matrix indicator (PMI) to the base station, where the PMI corresponds to the precoding matrix W.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: November 28, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jianguo Wang, Yongxing Zhou, Leiming Zhang
  • Patent number: 11824801
    Abstract: Embodiments of this application disclose a parameter configuration method and apparatus, relate to the field of communications technologies, and specifically provide a method and an apparatus for setting a resource unit bundling size, to help improve accuracy of a channel estimation result. The method may include: generating parameter configuration signaling, and sending the parameter configuration signaling. The parameter configuration signaling is used to indicate the resource unit bundling size. The resource unit bundling size may be applied to at least two inconsecutive time-frequency resources in frequency domain, and each time-frequency resource includes at least one consecutive resource unit in frequency domain; or may be applied to at least two inconsecutive time-frequency resources in time domain, and each time-frequency resource includes at least one consecutive resource unit in time domain.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: November 21, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yong Liu, Xiaoyan Bi, Leiming Zhang
  • Publication number: 20230361833
    Abstract: Embodiments of this application provide for a channel state information reporting method and a related device. In the method, indication information may be generated and sent. In the indication information, a first group of indication information includes reference amplitude indication information corresponding to each spatial layer, and differential amplitude indication information and phase indication information of X weighting coefficients, and a second group of indication information includes differential amplitude indication information and phase indication information of Y weighting coefficients. Values of X and Y are related to a first parameter, and a sum of X and Y is equal to KNZ?v. It can be learned that the quantity of weighting coefficients included in each of the first group of indication information and the second group of indication information is determined based on the first parameter.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiang GAO, Kunpeng LIU, Leiming ZHANG
  • Publication number: 20230209571
    Abstract: Embodiments of this application provide a reference signal (RS) sending method and a communication apparatus, which may be applied to a scenario in which an RS is sent based on aperiodic time-domain behavior. The method may include: A terminal device obtains downlink control information (DCI); determines first time information based on the DCI; determines, based on the first time information and a time unit in which the DCI is located, a time unit for sending an RS; and sends the RS in the determined time unit for sending the RS. Correspondingly, a network device determines the first time information based on the DCI; determines, based on the first time information and the time unit in which the DCI is located, a time unit for receiving the RS; and receives the RS in the determined time unit for receiving the RS.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Inventors: Xiaoqing Liu, Yongping Zhang, Zheng Yu, Tie Li, Leiming Zhang
  • Publication number: 20220376762
    Abstract: The present disclosure relates to methods for feeding back channel state information, user equipment, and base stations. One example method includes receiving a reference signal sent by a base station, selecting a precoding matrix W from a codebook according to the reference signal, where a column vector of the precoding matrix W may be expressed as ?[vej?v]T, v=[1 ej?], and sending a precoding matrix indicator (PMI) to the base station, where the PMI corresponds to the precoding matrix W.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 24, 2022
    Inventors: Jianguo WANG, Yongxing ZHOU, Leiming ZHANG
  • Patent number: 11509376
    Abstract: A base station, user equipment, and communication signal transmitting and receiving methods. A communication signal transmitting apparatus includes a transmitter; a processor, and non-transitory computer-readable storage medium storing a program for execution by the processor, the program including instructions to determine at least two different resource element groups to use to transmit a synchronization signal, each different resource element group of the at least two different resource element groups used to separately transmit the synchronization signal, and transmit the synchronization signal to user equipment on each of the resource element groups, where, for each resource element group, the synchronization signal transmitted on the respective resource element group carries at least one piece of same information, the same information is cell specific information, and the synchronization signals transmitted on the at least two resource element groups using different beams.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: November 22, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yongxing Zhou, Jianguo Wang, Leiming Zhang, Jianghua Liu
  • Patent number: 11483111
    Abstract: A data transmission method includes determining, by a base station, a first phase noise compensation reference signal (PCRS) port set and a second PCRS port set in a first scheduling period, where the first PCRS port set includes at least one port used to transmit a PCRS, but the second PCRS port set does not include a port used to transmit a PCRS in the first scheduling period; determining, by the base station, a first time-frequency resource element corresponding to the at least one port used to transmit a PCRS in the first PCRS port set; if a quantity of first time-frequency resource elements is greater than or equal to 1, sending, by the base station, a PCRS to user equipment on the first time-frequency resource element; and sending, by the base station, data to the user equipment on a second time-frequency resource element corresponding to the second PCRS port set.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: October 25, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhiheng Guo, Leiming Zhang, Xinqian Xie, Xingqing Cheng
  • Publication number: 20220337295
    Abstract: Example receiving parameter indication methods and apparatus are described. One example method includes receiving transmission parameter indication information, where the transmission parameter indication information is used to indicate an index value in an index value set corresponding to a codebook subset configuration. The value of the quantity of transmission layers and a precoding matrix is determined based on the transmission parameter indication information.
    Type: Application
    Filed: April 27, 2022
    Publication date: October 20, 2022
    Inventors: Xianda LIU, Kunpeng LIU, Leiming ZHANG
  • Patent number: 11431392
    Abstract: The present disclosure relates to methods for feeding back channel state information, user equipment, and base stations. One example method includes receiving a reference signal sent by a base station, selecting a precoding matrix W from a codebook according to the reference signal, where a column vector of the precoding matrix W is expressed as ?[v ej?v]T, v=[1 ej?], and sending a precoding matrix indicator (PMI) to the base station, where the PMI corresponds to the selected precoding matrix W.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: August 30, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jianguo Wang, Yongxing Zhou, Leiming Zhang
  • Patent number: 11405858
    Abstract: A wireless access method and apparatus, the method including sending N first signal sets on N first resources, where N is an integer greater than 1, receiving Z response signals from a terminal for the N first signal sets, where each response signal of the response signals comprises indication information of a resource on which the respective first signal set of the N first signal sets is located, Z is an integer greater than or equal to 1, and Z is less than or equal to N, and sending M second signal sets on M second resources according to the Z response signals, where M is an integer greater than or equal to 1, and each second signal set of the M second signal sets corresponds to at least one of the N first signal sets.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: August 2, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Kunpeng Liu, Yongxing Zhou, Leiming Zhang
  • Publication number: 20220174613
    Abstract: Example signal sending methods and apparatus are described. One example method includes obtaining a first insertion loss corresponding to a first resource and a second insertion loss corresponding to a second resource, where the first insertion loss is different from the second insertion loss. A first transmit power corresponding to the first resource is determined based on the first insertion loss. A second transmit power corresponding to the second resource is determined based on the second insertion loss. A first signal is sent on the first resource based on the first transmit power. A second signal is sent on the second resource based on the second transmit power.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Ye LIU, Leiming ZHANG, Kunpeng LIU
  • Publication number: 20220167199
    Abstract: This application relates to a communications method and apparatus, and a device. The communications method includes: A terminal device determines a first codeword set, where the first codeword set includes a first codeword, the first codeword is a 4×1 matrix, and each element in the matrix is a non-zero element.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 26, 2022
    Inventors: Xianda LIU, Kunpeng LIU, Leiming ZHANG