Patents by Inventor Yu-Ngok Li

Yu-Ngok 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: 11765691
    Abstract: Methods, systems, and devices for signaling quasi-co-location information in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, from a first communication node and to a second communication node, a signal according to a beam set that comprises a first subset of B beams selected from a pool of beams, wherein B is positive integer. In an example, a beam of the beam set comprises one or more channel property assumptions, one or more reference signals (RSs), one or more RS sets, one or more spatial relation states, one or more quasi-co-location (QCL) states, one or more transmission configuration indicator (TCI) state, one or more spatial domain filters or one or more pre-coding filters.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: September 19, 2023
    Assignee: ZTE Corporation
    Inventors: Bo Gao, Zhaohua Lu, Yu Ngok Li, Yijian Chen, Chuangxin Jiang, Hao Wu
  • Patent number: 11764846
    Abstract: Provided are channel state information reporting method and apparatus, and channel state information receiving method and apparatus. The channel state information reporting method includes: receiving a reference signal sent by a second communication node; and determining, according to a first type reporting configuration signaling associated with the reference signal, at least one of a first type channel state information set or a second type channel state information set, and reporting the at least one of the first type channel state information set or the second type channel state information set to the second communication node. The first type channel state information set includes at least one of a reference signal resource index, a reference signal resource set index, a reference signal resource setting index, a reporting configuration index, a reference signal port group index, a reference signal port group set index, a port index, or rank indicator information.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: September 19, 2023
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Chuangxin Jiang, Hao Wu
  • Patent number: 11764929
    Abstract: A method and apparatus for information reporting as well as a method and apparatus for information transmission are provided. The method for information reporting includes: receiving, by a second communication node, a reference signal from a first communication node, to determine a reference signal-related index and/or channel state information; reporting, by the second communication node, a set to the first communication node, and the set includes at least one of: the reference signal-related index and the channel state information. This technical solution solves the problems of low flexibility and poor adaptability of beam-related information reporting in the related art; the second communication node reports its own capability, so that the first communication node can indicate a beam reporting that meets to user capability, thereby improving the stability of beam-related information reporting.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: September 19, 2023
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 11758418
    Abstract: A transmission configuration method includes: determining a candidate transmission configuration information set, where the determined candidate transmission configuration information set includes K types of transmission configuration information, and each of the K types of transmission configuration information is used for implementing transmission configuration of at least one of a signal or a channel, where K is greater than or equal to 1; selecting at least one type of transmission configuration information from the determined candidate transmission configuration information set; and transmitting the selected transmission configuration information to a terminal by using a signaling.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: September 12, 2023
    Assignee: HEDWIG WIRELESS TECHNOLOGIES LLC
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok Li, Bo Gao
  • Publication number: 20230284213
    Abstract: Provided are an uplink signal transmission method and device, a communication node and a storage medium. The method includes determining a transmission mechanism of an uplink signal according to uplink configuration information and transmitting the uplink signal on a target resource according to the transmission mechanism.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 7, 2023
    Inventors: Chenchen ZHANG, Yu Ngok LI, Chuangxin JIANG, Xingguang WEI, Peng HAO
  • Patent number: 11722268
    Abstract: The present disclosure provides a method and device for representing a quasi co-location (QCL) parameter configuration, a transmitting apparatus and a receiving apparatus. The method include: acquiring a second QCL characteristic parameter set including part or all of characteristic parameters in a first QCL characteristic parameter set; and indicating configuration information of the second QCL characteristic parameter set to a receiving terminal by signaling. The present disclosure solves the problem in the existing art that QCL information between different reference signals or different antenna ports cannot be flexibly configured.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: August 8, 2023
    Assignee: ZTE Corporation
    Inventors: Nan Zhang, Yijian Chen, Zhaohua Lu, Yu Ngok Li, Hao Wu
  • Publication number: 20230239718
    Abstract: A system and method for performing robust beam reporting is disclosed. In one embodiment, a method performed by a first communication node includes: receiving at least one reference signal; determining at least one reference signal received power (RSRP) value associated with the at least one reference signal; generating a RSRP report in accordance with a predetermined format that groups the at least one RSRP value into N sets of RSRP values, each set containing at least one RSRP value, and associates each of the N sets of RSRP values with a respective one of N sets of resource groups, wherein each set of resource groups contains at least one resource group, and N is a positive integer; and transmitting the RSRP report.
    Type: Application
    Filed: March 30, 2023
    Publication date: July 27, 2023
    Inventors: Bo GAO, Yijian CHEN, Yu Ngok LI, Zhaohua LU, Yifei YUAN, Xinhui WANG
  • Patent number: 11711812
    Abstract: Provided a method for configuring an unlink signal. The method includes: indicating, by a first communication node through signaling, a resource or a frequency hopping manner used by a second communication node for transmitting the uplink signal, or predefining, by the first communication node and the second communication node, the resource or the frequency hopping manner used by the second communication node for transmitting the uplink signal. Further provided are an apparatus for configuring an uplink signal, a method and apparatus for determining an uplink signal, a base station, a terminal and a storage medium.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: July 25, 2023
    Assignee: ZTE CORPORATION
    Inventors: Yuxin Wang, Zhaohua Lu, Yu Ngok Li, Yijian Chen, Chuangxin Jiang, Yong Li
  • Patent number: 11700094
    Abstract: Provided are a signal transmission method and apparatus. The method includes the following steps: first signaling is configured, a slot for sending a reference signal is determined according to the first signaling, and the reference signal is sent on the slot for sending the reference signal.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: July 11, 2023
    Assignee: ZTE CORPORATION
    Inventors: Huahua Xiao, Zhaohua Lu, Hao Wu, Yu Ngok Li
  • Publication number: 20230199790
    Abstract: Provided are methods and apparatuses for transmitting and receiving control signaling and for determining information.
    Type: Application
    Filed: December 28, 2022
    Publication date: June 22, 2023
    Applicant: ZTE CORPORATION
    Inventors: Shujuan ZHANG, Yu Ngok LI, Bo GAO, Chuangxin JIANG, Nan ZHANG, Hao WU, Zhaohua LU
  • Publication number: 20230198699
    Abstract: Disclosed are a reference signal configuration method and device, an information transmission method and device, and an information receiving method and device. The reference signal configuration method includes: indicating, by a first communication node, via signaling a resource used by a second communication node for transmitting a reference signal; or predefining, by a first communication node and a second communication node, a resource used by the second communication node for transmitting a reference signal. Further disclosed are a storage medium and a processor.
    Type: Application
    Filed: September 7, 2018
    Publication date: June 22, 2023
    Applicant: ZTE CORPORATION
    Inventors: Yuxin Wang, Shujuan Zhang, Zhaohua Lu, Yu Ngok Li, Chuangxin Jiang
  • Patent number: 11671161
    Abstract: A system and method for performing beam management is disclosed. In one embodiment, a method includes: determining a relationship between a first reference signal and a second reference signal, wherein the first and second reference signals share a same or similar one or more of the following properties: a channel property, a transmission property and a reception property; and transmitting the first and second reference signals to a wireless communication node.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: June 6, 2023
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yijian Chen, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 11671987
    Abstract: Disclosed are a parameter transmission method and apparatus, and a non-transitory computer-readable storage medium. The transmission parameter method includes: sending, by a sending end, control information carrying a value of at least one transmission parameter in at least one transmission parameter set; wherein the control information adopts a value of a transmission parameter for a slot or a link on which the control information acts.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: June 6, 2023
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Yu Ngok Li, Zhaohua Lu, Hao Wu
  • Patent number: 11671141
    Abstract: Disclosed is an information transmission method. The method includes that: a first communication node determines a resource or parameter for a second communication node to transmit a reference signal, and indicates the resource or parameter to the second communication node through signaling; and the second communication node receives the signaling transmitted by the first communication node, determines the resource or parameter for transmitting the reference signal based on the signaling or based on the signaling and a rule predefined by the first communication node and the second communication node, and uses the determined resource or parameter to transmit the reference signal.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: June 6, 2023
    Assignee: ZTE Corporation
    Inventors: Yuxin Wang, Chuangxin Jiang, Shujuan Zhang, Zhaohua Lu, Yu Ngok Li
  • Patent number: 11652515
    Abstract: Method and device for feeding back channel state information (CSI) and method and device for determining CSI are provided. The method for feeding back CSI includes feeding back CSI according to a determined structure of the CSI, where the structure of the CSI includes M CSI subsets; an m-th CSI subset among the M CSI subsets includes km channel information components. The M CSI subsets include N CSI subsets, and an n-th CSI subset among the N CSI subsets includes Ln channel information components which are determined by transforming a group of base vectors.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: May 16, 2023
    Assignee: ZTE Corporation
    Inventors: Hao Wu, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Nan Zhang
  • Publication number: 20230142160
    Abstract: Provided are a codebook configuration method and a device for the same and a storage medium. A communication device determines configuration information of a codebook, where the configuration information of the codebook includes at least one of value range selection information of a base vector in a construction model of the codebook or value range selection information of a codeword in the codebook. The communication device sends the configuration information of the codebook to a communication peer end.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 11, 2023
    Inventors: Yijian CHEN, Yu Ngok LI, Hao WU, Zhaohua LU
  • Patent number: 11646845
    Abstract: Provided is a reference signal transmission method and device. The method includes that a base station transmits indication information to a UE through a downlink control signaling or a higher layer signaling, where the indication information includes one of: information indicating that the UE transmits a reference signal, information indicating whether the reference signal is contained in a physical downlink shared channel or a physical downlink control channel, or information indicating a transmission mode of a downlink reference signal or an uplink reference signal; or the base station pre-defines with the UE a time-frequency resource or a parameter set required by the UE or the base station to transmit the reference signal, where the time-frequency resource or the parameter set includes at least one of: a time domain symbol position, a frequency domain position, a transmission period and a subframe offset, a type of a reference signal sequence or an orthogonal mask.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: May 9, 2023
    Assignee: ZTE Corporation
    Inventors: Yuxin Wang, Zhaohua Lu, Yu Ngok Li, Yijian Chen, Hao Wu
  • Patent number: 11641231
    Abstract: A method and apparatus for feeding back channel state information (CSI), a method and apparatus for receiving CSI, a device and a storage medium are disclosed in embodiments of the present invention. The method for feeding back CSI includes: determining a priority of a CSI parameter in a CSI parameter set; determining, according to the priority of the CSI parameter, a CSI parameter to be fed back and a time-frequency resource position for feeding back the CSI parameter; and feeding back the CSI parameter to be fed back on the time-frequency resource position.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: May 2, 2023
    Assignee: ZTE Corporation
    Inventors: Huahua Xiao, Chuangxin Jiang, Hao Wu, Zhaohua Lu, Bo Gao, Yu Ngok Li, Jianxing Cai
  • Publication number: 20230126742
    Abstract: Methods, systems, and devices are described for reference signal configuration in wireless communication. In one exemplary aspect, a method for wireless communication is disclosed. The method includes receiving one or more signaling that indicates selection of reference signal resources, cell and/or BWP information, and receiving at least one reference signal based thereon.
    Type: Application
    Filed: December 23, 2022
    Publication date: April 27, 2023
    Inventors: Hao Wu, Yu Ngok Li, Chuangxin Jiang, Yijian Chen, Zhaohua Lu
  • Patent number: 11637667
    Abstract: The present disclosure provides a method and apparatus for transmitting and receiving an uplink signal, a storage medium, and an electronic device. The transmitting method includes: a second communication node receives configuration information transmitted by a first communication node through physical downlink control signaling or high-layer signaling, and the second communication node transmits an uplink signal to the first communication node based on the configuration information; or a second communication node transmits, according to a rule appointed with a first communication node, an uplink signal to the first communication node.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: April 25, 2023
    Assignee: ZTE CORPORATION
    Inventors: Yuxin Wang, Hao Wu, Zhaohua Lu, Yu Ngok Li, Chuangxin Jiang, Shujuan Zhang