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).

  • METHOD AND DEVICE FOR REPRESENTING QUASI CO-LOCATION PARAMETER CONFIGURATION, AND TRANSMITTING AND RECEIVING APPARATUS
    Publication number: 20210367719
    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: Application
    Filed: August 3, 2021
    Publication date: November 25, 2021
    Inventors: Nan ZHANG, Yijian CHEN, Zhaohua LU, Yu Ngok LI, Hao WU
  • METHOD AND DEVICE FOR DETERMINING TRANSMISSION PARAMETERS AND STORAGE MEDIUM
    Publication number: 20210368488
    Abstract: Provided are transmission parameter determination method and device, and storage medium.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Inventors: Shujuan ZHANG, Yijian CHEN, Yu Ngok LI, Zhaohua LU
  • INDICATION METHOD, INFORMATION DETERMINATION METHOD, APPARATUS, BASE STATION, TERMINAL AND STORAGE MEDIUM
    Publication number: 20210367655
    Abstract: Provided are an indication method, an information determination method, an apparatus, a base station, a terminal and a storage medium. The method includes notifying a demodulation reference signal (DMRS) port indicator, a sounding reference signal resource indicator (SRI) and a transmission precoding matrix indicator to a terminal to notify basic information. The basic information includes at least one of DMRS port indication information, precoding codebook or precoding matrix information, or a codebook subset restriction (CSR). The basic information is determined based on a value of the SRI.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 25, 2021
    Applicant: ZTE CORPORATION
    Inventors: Chuangxin JIANG, Zhaohua LU, Yu Ngok LI, Yijian CHEN, Hao WU, Bo GAO, Yuxin WANG, Shujuan ZHANG
  • Transmissions using antenna port sets
    Patent number: 11184064
    Abstract: Methods, systems, and devices related to reducing signaling overhead for coherent uplink transmissions using many antenna ports. In one representative aspect, a method for wireless communication is described. The method includes transmitting, from a mobile device that comprises eight antenna ports, a message to a wireless communication node, the message including at least a first field indicating a first capability of the mobile device for performing a one-layer transmission using two antenna ports corresponding to a first port set selected from two or more port sets, and a second field indicating a second capability of the mobile device for performing a one-layer transmission using four antenna ports corresponding a second port set selected from the two or more port sets.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 23, 2021
    Assignee: ZTE Corporation
    Inventors: Chuangxin Jiang, Hao Wu, Yu Ngok Li, Zhaohua Lu, Meng Mei
  • Transmission parameter configuration method and apparatus, and determination method and apparatus
    Patent number: 11178652
    Abstract: Disclosed are a transmission parameter configuration method and apparatus, and a determination method and apparatus. The transmission parameter configuration method includes: classifying, by a sending end, M transmission parameters to be sent on a physical layer into K transmission parameter sets, and notifying a receiving end of classification indication information of the M transmission parameters, where M and K are integers greater than 1; determining, by the sending end, a number of values of the transmission parameters in the K transmission parameter sets, and notifying the receiving end of value indication information of at least one transmission parameter in at least one transmission parameter set; and sending, by the sending end, a value of the transmission parameter in the at least one transmission parameter set via downlink control information (DCI).
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: November 16, 2021
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Yijian Chen, Yu Ngok Li, Zhaohua Lu, Hao Wu
  • METHODS AND APPARATUS FOR FEEDING BACK AND RECEIVING CHANNEL STATE INFORMATION, AND DEVICE AND STORAGE MEDIUM
    Publication number: 20210344398
    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: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Huahua Xiao, Chuangxin Jiang, Hao Wu, Zhaohua Lu, Bo Gao, Yu Ngok Li, Jianxing Cai
  • RATE MATCHING RESOURCE MAPPING IN WIRELESS COMMUNICATIONS
    Publication number: 20210344442
    Abstract: A method of wireless communication includes grouping, by a network device, rate matching resources into a plurality of first groups for communication with a wireless terminal and transmitting a channel control indicator identifying at least a first group from the plurality of first groups of rate matching resources. In various embodiments, the rate matching resources include one or more of a rate matching pattern comprising multiple time-frequency transmission resources, a periodic zero power channel state information reference signal (ZP CSI-RS) resource set, an aperiodic ZP CSI-RS resource set, a semi-persistent ZP CSI-RS resource set, a long-term evolution cell specific reference signal (LTE CRS) resource, or a rate matching pattern group.
    Type: Application
    Filed: July 6, 2021
    Publication date: November 4, 2021
    Inventors: Chuangxin JIANG, Zhaohua LU, Yu Ngok LI, Xinquan YE, Huahua XIAO, Wenjun YAN, Zhen HE, Shujuan ZHANG
  • TECHNIQUES FOR COMMUNICATING BEAM INFORMATION
    Publication number: 20210344526
    Abstract: The disclosed technology includes techniques for facilitating the operation of a multi-antenna communication system. The disclosed technology can be implemented to provide a method for wireless communications which includes receiving, by a user device, an indication about an association between multiple reference resources and a target resource at the user device. The association includes properties of a communication channel to and/or from the user device, and wherein at least one property of the communication channel is different among the multiple reference resources, and performing wireless communication using the indication.
    Type: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Yu Ngok Li, Bo Gao, Yijian Chen, Huahua Xiao, Zhaohua Lu
  • SIGNALING OF QUASI-CO-LOCATION INFORMATION IN WIRELESS SYSTEMS
    Publication number: 20210345299
    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: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Bo GAO, Zhaohua LU, Yu Ngok LI, Yijian CHEN, Chuangxin JIANG, Hao WU
  • WIRELESS LINK RECOVERY
    Publication number: 20210337453
    Abstract: A wireless communications method includes acquiring, by a first radio terminal, one or more radio link qualities according to one or more first reference signal (RS) resources. One or more first RS resources are transmitted by a second radio terminal, in a first cell. The method includes determining, by the first radio terminal, a beam failure instance according to the one or more radio link qualities. The method further includes initializing, by the first radio terminal, a recovery request procedure. The recovery request procedure includes at least transmitting, in a case wherein a first condition is met, from the first radio terminal to the second radio terminal in a second cell, a link recovery request message. The first condition includes at least that a number of beam failure instances is equal to or greater than a first threshold value.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Inventors: Bo GAO, Zhaohua LU, Yu Ngok LI, Shujuan ZHANG, Ke YAO
  • INFORMATION DETERMINATION METHOD AND SIGNAL RECEIVING METHOD AND APPARATUS
    Publication number: 20210337406
    Abstract: Provided are an information determination method and apparatus, a signal reception method and apparatus and a signal transmission method and apparatus. The information determination method includes determining quasi-co-location reference signal information about an aperiodic measurement reference signal resource according to first information. The first information includes at least one of a relationship between a first threshold and a time interval, whether an intersection is null, a time offset or a predetermined rule. The signal reception method includes determining parameter information about a measurement reference signal according to a predetermined rule and receiving the measurement reference signal according to the determined parameter information.
    Type: Application
    Filed: March 26, 2021
    Publication date: October 28, 2021
    Inventors: Shujuan ZHANG, Zhaohua LU, Bo GAO, Yu Ngok LI, Chuangxin JIANG, Zhen HE, Huahua XIAO, Wenjun YAN
  • System and method for allocating resources
    Patent number: 11159224
    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 31, 2019
    Date of Patent: October 26, 2021
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yijian Chen, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • METHOD, APPARATUS FOR CHANNEL STATE INFORMATION FEEDBACK AND STORAGE MEDIUM
    Publication number: 20210328646
    Abstract: A method and apparatus for channel state information feedback and a storage medium are provided according to the present disclosure. The method includes: performing by a terminal channel measurement according to a reference signal; selecting M subbands from K subbands of a CSI reporting band, and reporting to a base station the M subbands' Relative Power Indicator (RPI) and Phase Indicator (PI) of a weighted coefficient associated with a precoding codebook index, where M and K are integers greater than or equal to 1, M<K; each subband is a set of R resource blocks RB, where R is an integer greater than or equal to 1.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: HAO WU, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Jianxing Cai
  • GROUP-SPECIFIC RESOURCE INDICATIONS FOR UPLINK TRANSMISSIONS
    Publication number: 20210329673
    Abstract: Methods, systems, and devices for group-specific resource indications in mobile communication systems are described. An exemplary method for wireless communication includes determining, by a network node, an association among one set of one or more reference signals (RSs) and one or more groups, where each of the one or more RSs is associated with a usage or a time-domain behavior, and transmitting, to the terminal, a signaling message comprising the association. Another exemplary method for wireless communication includes determining, by the network node, a reference signal (RS) configuration, wherein the RS configuration comprises an association between one or more target RSs and a spatial granularity, and transmitting, to a terminal, a message comprising the RS configuration.
    Type: Application
    Filed: April 30, 2021
    Publication date: October 21, 2021
    Inventors: Bo GAO, Zhaohua LU, Yu Ngok LI, Ke YAO, Chuangxin JIANG, Hao WU
  • TRANSMISSION CONTROL METHOD, SOUNDING REFERENCE SIGNAL TRANSMISSION METHOD, TERMINAL, BASE STATION AND MEDIUM
    Publication number: 20210314784
    Abstract: Provided are a transmission control method, sounding reference signal transmission method, terminal, base station and medium. The transmission control method includes: receiving the configuration information sent by the network side, the configuration information including an association relationship between a group index and first information, where the first information has an association relationship with a channel or a reference signal; and determining a receiving mode or a sending mode of the channel or reference signal associated with the first information according to the group index.
    Type: Application
    Filed: August 6, 2019
    Publication date: October 7, 2021
    Inventors: Bo GAO, Yu Ngok LI, Zhaohua LU, Ke YAO, Shujuan ZHANG
  • ANTENNA GROUP OPERATIONS FOR WIRELESS SYSTEMS
    Publication number: 20210314128
    Abstract: Disclosed are techniques, systems, apparatuses, and methods of wireless communication. In one aspect, a method of wireless communication is disclosed. The method includes transmitting, by a first communications node to a second communications node, a set of information for transmission of reference signals or channels, wherein the set of information includes: timing information related to a transmission timing of the reference signals or channels, timing information related to when an antenna group or a group of reference signals and/or channels related to the antenna group is activated, or an identification of one or more antenna groups associated with the reference signals or channels.
    Type: Application
    Filed: August 9, 2018
    Publication date: October 7, 2021
    Applicant: ZTE Corporation
    Inventors: Yu Ngok LI, Bo GAO, Hao WU, Shujuan ZHANG, Chuangxin JIANG, Huahua XIAO, Yijian CHEN, Zhaohua LU
  • METHODS AND DEVICES FOR REPORTING AND PROCESSING CHANNEL STATE INFORMATION, AND STORAGE MEDIUM
    Publication number: 20210314044
    Abstract: Provided are a method and device for reporting channel state information (CSI), a method and device for processing channel state information, and a storage medium. The method for reporting channel state information includes: dividing M subbands to be reported into two sets; determining a relative value between CSI of each subband in a second set and CSI of a reference subband corresponding to the each subband in the second set; and reporting CSI of each subband in a first set and the relative value of the each subband in the second set to a base station.
    Type: Application
    Filed: August 12, 2019
    Publication date: October 7, 2021
    Inventors: Yong LI, Hao WU, Yu Ngok LI, Zhaohua LU, Yijian CHEN
  • Precoding determining method and device, electronic device, and storage medium
    Patent number: 11139879
    Abstract: Provided is a method for determining precoding. The method includes configuring, by a first communication node, configuration information for a second communication node; transmitting the configuration information to the second communication mode; and the configuration information includes: first configuration information and second configuration information. Further provided is a device for determining precoding, an electronic device and a storage medium.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: October 5, 2021
    Inventors: Yong Li, Zhaohua Lu, Chuangxin Jiang, Yijian Chen, Yu Ngok Li, Hao Wu, Jianxing Cai, Yuxin Wang, Huahua Xiao, Cong Zhou
  • Method and Device for Transmitting Information Element
    Publication number: 20210297872
    Abstract: Provided are a method and a device for transmitting an information element, and a method and a device for transmitting information. The method for transmitting an information element comprises: receiving, by a first communication node, spatial relationship information configured for multiple uplink information elements and transmitted by a second communication node, and transmitting, by the first communication node, the multiple uplink information elements according to the spatial relationship information. Further provided are a terminal, a storage medium and an electronic device.
    Type: Application
    Filed: August 8, 2019
    Publication date: September 23, 2021
    Inventors: Bo GAO, Yu Ngok LI, Zhaohua LU, Ke YAO, Shujuan ZHANG
  • TECHNIQUES FOR RELIABLE CELLULAR COMMUNICATION
    Publication number: 20210297196
    Abstract: In one configuration, multiple TRPs, or base stations such a next generation node B (gNB) base stations send different transport blocks (TBs) to a user equipment (UE) at the same time or at different times. In another configuration, multiple base stations may send the same data at the same time to a UE. When the same data is being sent by multiple base stations to a UE, the UE must be notified by some mechanism. Disclosed herein are multiple mechanism for notifying the UE that multiple base stations will be transmitting toe same data at the same time. When there is a backhaul between a TRP and another, each TRP can choose to send the same data stream to increase the reliability of the transmission when, for example, the UE receives at a low signal-to-noise ratio (SNR).
    Type: Application
    Filed: May 3, 2021
    Publication date: September 23, 2021
    Inventors: Chuangxin JIANG, Zhaohua LU, Yu Ngok LI, Shujuan ZHANG, Zhen HE, Huahua XIAO, Xinquan YE, Rongchen SUN, Hao WU