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: 10784938
    Abstract: Disclosed are a data processing method and apparatus. The method includes: a first receiving end determines a range of a data demodulation reference signal (DMRS) ports occupied by one or more second receiving ends by using at least one of the following information: a usage state of a joint encoding table corresponding to a DMRS port group, the number of layers corresponding to a physical downlink shared channel (PDSCH) of the first receiving end, and the number of codewords corresponding to the PDSCH of the first receiving end; and the first receiving end processes data according to the range of the DMRS ports occupied by one or more second receiving ends.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: September 22, 2020
    Assignee: ZTE Corporation
    Inventors: Shujuan Zhang, Yu Ngok Li, Yuhong Gong, Wenhao Liu, Yijian Chen
  • Patent number: 10778369
    Abstract: A method and device for acquiring Channel State Information (CSI) are provided. In the method, a second node receives a first-type signal and/or a second-type signal sent by a first node; the second node acquires CSI based on measurement of the first-type signal and the second-type signal, or based on measurement of the second-type signal only; the first-type signal may include a measurement Reference Signal (RS), and the second-type signal may include one of: a demodulation RS, a data sharing channel signal, and a signal combination of the data sharing channel signal and the demodulation RS; the second node feeds back the CSI to the first node.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 15, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Zewei Chen, Jun Xu, Yu Ngok Li
  • Publication number: 20200280416
    Abstract: Method and apparatus for configuring channel characteristics of a reference signal, and a communication device are described. The method includes determining first type signaling, where the first type signaling carries a first type set and the first type set includes a plurality of index elements; and sending the first type signaling to a second communication node.
    Type: Application
    Filed: May 17, 2020
    Publication date: September 3, 2020
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yijian Chen, Yifei Yuan, Xinhui Wang
  • Publication number: 20200280410
    Abstract: Provided are a method and a device for sending a reference signal, and a method and device for configuring a reference signal. The method for sending the reference signal includes: determining that a conflict occurs between at least two reference signals, and selecting a processing manner for solving the conflict between the at least two reference signals from multiple conflict processing manners; and sending at least one reference signal in the at least two reference signals to a terminal according to the selected processing manner to instruct the terminal to measure the at least one reference signal.
    Type: Application
    Filed: November 14, 2018
    Publication date: September 3, 2020
    Inventors: Yijian CHEN, Zhaohua LU, Yu Ngok LI, Hao WU, Nan ZHANG
  • Publication number: 20200280425
    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: May 16, 2020
    Publication date: September 3, 2020
    Inventors: Hao Wu, Yu Ngok Li, Chuangxin Jiang, Yijian Chen, Zhaohua Lu
  • Patent number: 10763934
    Abstract: Embodiments of the present disclosure provide a reference signal information feedback method, apparatus and terminal. The method includes: a terminal determines a reference signal parameter of an uplink measurement reference signal and/or a downlink measurement reference signal, and the terminal feeds the determined reference signal parameter back to a base station.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: September 1, 2020
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok Li, Huahua Xiao, Jing Zhao, Yuxin Wang
  • Patent number: 10742272
    Abstract: Provided is a channel information feedback method and apparatus, a terminal, and a base station. The method includes: determining, by a terminal, a feedback state parameter of channel information, where the channel information includes at least one of a number M of precoding vectors v1, v2, . . . , vM, a number G of amplitude coefficients A1, A2, . . . , AG, or a number K of phase coefficients P1, P2, . . . , PK, where M, G and K are all integers greater than or equal to 0; and feeding back, by the terminal, the channel information according to the determined feedback state parameter.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: August 11, 2020
    Assignee: ZTE CORPORATION
    Inventors: Hao Wu, Jianxing Cai, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Huahua Xiao, Yong Li, Yuxin Wang
  • Publication number: 20200252192
    Abstract: Provided are a reference signal configuring method and device. The method includes: configuring a first-type parameter set of a first-type reference signal indicator, where the first-type parameter set includes N indicator elements, N is an integer greater than or equal to 1; generating first-type signaling according to the first-type parameter set, where the first-type signaling carries the first-type parameter set; and sending the first-type signaling to a second communication node.
    Type: Application
    Filed: February 9, 2020
    Publication date: August 6, 2020
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 10735055
    Abstract: Embodiments of the present invention provide a method and device for reducing complexity of channel quantization.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: August 4, 2020
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Yu Ngok Li, Zhaohua Lu, Huahua Xiao, Jianxing Cai, Hao Wu, Yong Li
  • Publication number: 20200244329
    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: November 4, 2019
    Publication date: July 30, 2020
    Inventors: Huahua Xiao, Chuangxin Jiang, Hao Wu, Zhaohua Lu, Bo Gao, Yu Ngok Li, Jianxing Cai
  • Publication number: 20200235798
    Abstract: Information sending, information determining and relationship determining methods and devices are provided. According to the information sending method, a base station sends M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set includes quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by a terminal to acquire a large-scale characteristic of a channel; and when M>1, the base station indicates, via a physical-layer control signaling, parameter set selection information of a subframe on which the physical-layer control signaling is sent.
    Type: Application
    Filed: April 2, 2020
    Publication date: July 23, 2020
    Inventors: Yijian CHEN, Yu Ngok LI, Jianxing CAI, Huahua XIAO, Yong LI, Yuxin WANG, Zhaohua LU, Hao WU
  • Publication number: 20200214031
    Abstract: Disclosed is an information sending method. The method includes: determining first sending configuration information corresponding to downlink information; determining second sending configuration information corresponding to uplink information associated with the downlink information according to the first sending configuration information; and sending the uplink information according to the second sending configuration information. Also disclosed are an information sending apparatus and system, a base station, a terminal, and a computer-readable storage medium.
    Type: Application
    Filed: November 3, 2017
    Publication date: July 2, 2020
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok LI, Bo Gao
  • Publication number: 20200205219
    Abstract: This disclosure relates to methods, systems, and devices for improved beam recovery at mobile stations (UE's) that support connected discontinuous reception (C-DRX). In one exemplary aspect, a method for wireless communication is disclosed. The method includes monitoring, at a communication node configured to operate in a connected discontinuous reception mode, a first plurality of reference signals in a time window that overlaps at least partially with a semi-active time or an active time within a discontinuous reception cycle of the communication node.
    Type: Application
    Filed: February 29, 2020
    Publication date: June 25, 2020
    Inventors: Yijian Chen, Zhaohua Lu, Bo Gao, Yu Ngok Li
  • Patent number: 10686571
    Abstract: The present disclosure provides a method for signaling configuration. The method includes: signaling, by a base station, a first special subframe configuration and a second special subframe configuration to a User Equipment (UE) via a first signaling message and a second signaling message. The first special subframe configuration is determined by the base station and the UE based on the first signaling message, and the second special subframe configuration is determined by the base station and the UE based on the first signaling message and the second signaling message or based on the second signaling message. With the above method, the problem associated with low multiplexing capacity of Sounding Reference Signals (SRSs) can be solved and the multiplexing capacity of SRSs can be improved.
    Type: Grant
    Filed: March 24, 2018
    Date of Patent: June 16, 2020
    Assignee: ZTE Corporation
    Inventors: Yuxin Wang, Yijian Chen, Yu Ngok Li
  • Publication number: 20200186393
    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: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Inventors: Yuxin Wang, Chuangxin Jiang, Shujuan Zhang, Zhaohua Lu, Yu Ngok Li
  • Publication number: 20200187289
    Abstract: One or more devices, systems, and/or methods may involve communicating with a node using a wireless transmission; receiving a node transmission responsive to the wireless transmission; and transmitting a wireless reference transmission responsive to the node transmission. The wireless reference transmission is transmitted aperiodically and responsive to a node transmission received from the node. Additionally, one or more devices, systems, and/or methods may involve receiving, from a node, a wireless transmission; transmitting, to the node, a node transmission about the wireless transmission; and receiving a wireless reference transmission from the node responsive to the node transmission.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 11, 2020
    Inventors: Yijian Chen, Yu Ngok Li, Bo Gao, Zhaohua Lu
  • Publication number: 20200177416
    Abstract: Provided are a method for indicating reference signal configuration information, a base station and a terminal. The method includes that a first communication node determines joint signaling and the first communication node transmits the joint signaling to a second communication node. The joint signaling includes first information and second information. The first information includes at least one of the following: quasi-colocation configuration information and configuration information of a transmission beam. The second information includes at least one of the following: configuration information of a phase tracking reference signal and configuration information of a demodulation reference signal.
    Type: Application
    Filed: February 4, 2020
    Publication date: June 4, 2020
    Inventors: Chuangxin Jiang, Nan Zhang, Zhaohua Lu, Yu Ngok Li, Bo Gao, Hao Wu, Meng Mei
  • Patent number: 10673586
    Abstract: A downlink pilot transmitting method and device, a downlink pilot detecting method and device, a terminal and an evolved Node B are provided. In the transmitting method, the evolved Node B divides resources for transmitting a downlink Channel State Information-Reference Signal (CSI-RS) into multiple resource groups, wherein the resources include any one or any combination of subframes, ports and Physical Resource Block (PRB) pairs; the evolved Node B respectively configures a pilot transmitting parameter of each resource group and/or respectively reaches an agreement with the terminal on the a pilot transmitting parameter of each resource group; and the evolved Node B respectively transmits the downlink CSI-RS in the multiple resource groups according to the pilot transmitting parameter configured and/or as agreed with the terminal for each resource group.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: June 2, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok Li, Guanghui Yu
  • Patent number: 10673505
    Abstract: A method and device for configuring channel information are provided. The method includes: a base station configures Q Channel State Information (CSI) measurement threads for a CSI process, wherein Q is an integer greater than or equal to 2; and the base station configures P1 channel measurement reference signals and P2 interference measurement resources for the Q CSI measurement threads, wherein the P1 channel measurement reference signals are used to perform channel measurement on the Q CSI measurement threads, and the P2 interference measurement resources are used to perform interference measurement on the Q CSI measurement threads, P1 and P2 being integers greater than zero.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: June 2, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Yijian Chen, Yu Ngok Li, Huahua Xiao, Jian Li, Zhaohua Lu, Yuxin Wang, Jing Zhao
  • Publication number: 20200163071
    Abstract: The present disclosure provides a processing method and apparatus for recovering a beam. The method includes: generating a first type of signaling when K elements in a beam related parameter set trigger one or more thresholds; and sending the first type of signaling to a second communication node, where the beam related parameter set includes Q elements, where Q and K are both positive integers, and K is less than or equal to Q. Through the present disclosure, the technical problems that a beam cannot be recovered after beam link failure, and beam and channel state information reports or beam and channel state information report requests cannot be actively initiated in a millimeter wave communication system are solved.
    Type: Application
    Filed: September 24, 2019
    Publication date: May 21, 2020
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang