Patents by Inventor Yifei Yuan

Yifei Yuan 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).

  • Publication number: 20240323943
    Abstract: The present disclosure provides a processing method and apparatus for recovering a beam. The method includes: generating a first type of signaling comprising an index corresponding to a resource selected from a set of resources for a reference signal; transmitting the first type of signaling over a random access channel to a base station; assuming a Quasi Co-Location (QCL) relation between the selected resource and a downlink control channel, and the selected resource and a downlink data channel; receiving a second type of signaling carried in the downlink control channel using the assumed QCL relation between the selected resource and the downlink control channel, the second type of signaling further comprising an identification of the terminal device; and receiving a data transmission carried in the downlink data channel according to the QCL relation between the selected resource and the downlink data channel.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 26, 2024
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 12081481
    Abstract: Provided are a signaling sending method and device and a signaling receiving method and device. The signaling sending method includes: configuring N sets according to reference-signal-related information satisfying a predetermined channel characteristic requirement, where N is an integer greater than or equal to 1, and an element in the N sets is the reference-signal-related information; generating a first type of signaling, where the first type of signaling carries the N sets; and sending the first type of signaling to a second communication node, where the first type of signaling is used for notifying the second communication node to perform beam indication according to the N sets.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: September 3, 2024
    Assignee: ZTE Corporation
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Publication number: 20240259161
    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 set includes a plurality of index elements; and sending the first type signaling to a second communication node.
    Type: Application
    Filed: April 15, 2024
    Publication date: August 1, 2024
    Inventors: Bo GAO, Yu Ngok LI, Zhaohua LU, Yijian CHEN, Yifei YUAN, Xinhui WANG
  • Publication number: 20240146334
    Abstract: An information bit determination method and a mapping relationship generation method for polar-coded modulation, and devices thereof are provided. The information bit determination method includes: providing a mapping relationship table for a predefined polar-coded modulation scheme, the mapping relationship table at least including target rates, modulation orders and first parameters of a polar code/component code under different MCS indices; determining the quantity of information bits in each polar code/component code in a target polar-coded modulation system in accordance with the mapping relationship table; and determining an information bit set corresponding to each polar code/component code in accordance with the quantity of information bits in each polar code/component code in the target polar-coded modulation system, the information bit set being used to indicate a set of positions of the information bits.
    Type: Application
    Filed: February 10, 2022
    Publication date: May 2, 2024
    Inventors: Kai NIU, Jinsheng DAI, Bolin WU, Sen WANG, Yifei YUAN
  • Patent number: 11962535
    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 set includes a plurality of index elements; and sending the first type signaling to a second communication node.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: April 16, 2024
    Assignee: ZTE Corporation
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yijian Chen, Yifei Yuan, Xinhui Wang
  • Patent number: 11804943
    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: Grant
    Filed: May 16, 2022
    Date of Patent: October 31, 2023
    Assignee: ZTE Corporation
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • 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
  • 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: 11706787
    Abstract: The present invention provides a method and apparatus for determining a scheduling gap, wherein, the method comprises: demodulating the NarrowBand Physical Downlink Control Channel in order to determine the initial subframe of the scheduled NarrowBand Physical Downlink Shared Channel (NB-PDSCH) or the NarrowBand Physical Uplink Shared Channel (NB-PUSCH), wherein, the basis for determining the initial subframe comprises at least one of the following: the final subframe of the NB-PDCCH, the final subframe in the search space where the NB-PDCCH is located, the resource allocation within the scheduling window, and the scheduling gap indication. The implementation of the present technical solutions solves the problem of how to determine the scheduling within the NarrowBand system, thereby saving indication expenditure and improving resource usage efficiency.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: July 18, 2023
    Assignee: ZTE CORPORATION
    Inventors: Jing Shi, Bo Dai, Yifei Yuan, Huiying Fang, Shuqiang Xia, Shupeng Li
  • Publication number: 20230189297
    Abstract: Provided are a system message transmission method and device, which relate to the field of wireless communications. According to the system message transmission method, a system message is transmitted at a preset resource location; and a physical downlink channel is transmitted according to the system message. The system message may include at least one of: frequency domain location information of a system, configuration information of a physical shared channel carrying a system message, configuration information of terminal access, available resource information of the physical downlink channel, and radio frame information.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Inventors: Bo DAI, Shuqiang XIA, Guanghui YU, Liujun HU, Yifei YUAN
  • 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: 11632684
    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: Grant
    Filed: December 11, 2019
    Date of Patent: April 18, 2023
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yijian Chen, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 11616670
    Abstract: A method of wireless communication includes generating, based on a mapping rule, at least two reference signals and transmitting, by a wireless communication device, the at least two reference signals using different symbols in a transmit time interval. Another method of wireless communication includes transmitting, to one or more wireless devices in a wireless network, information indicative of a mapping rule that specifies a mapping between at least two random access reference signal transmissions from the one or more wireless devices.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: March 28, 2023
    Assignee: ZTE Corporation
    Inventors: Wei Cao, Zhifeng Yuan, Li Tian, Yifei Yuan, Ziyang Li
  • Patent number: 11606775
    Abstract: Provided are a system message transmission method and device, which relate to the field of wireless communications. According to the system message transmission method, a system message is transmitted at a preset resource location; and a physical downlink channel is transmitted according to the system message. The system message may include at least one of: frequency domain location information of a system, configuration information of a physical shared channel carrying a system message, configuration information of terminal access, available resource information of the physical downlink channel, and radio frame information.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: March 14, 2023
    Assignee: ZTE CORPORATION
    Inventors: Bo Dai, Shuqiang Xia, Guanghui Yu, Liujun Hu, Yifei Yuan
  • Patent number: 11522597
    Abstract: Presented herein are systems and methods for beam information feedback. A first communication node may receive, from a second communication node, a group of reference signals that are carried either on respective beams or on a same beam. The group of reference signals may be determined based on one or more time-frequency-code resources. The first communication node may determine, based on the group of reference signals, one or more beam indexes and channel state information. The first communication node may transmit, to the second communication node, a set including the one or more beam indexes and the channel state information.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: December 6, 2022
    Assignee: ZTE Corporation
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Publication number: 20220376867
    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 set includes a plurality of index elements; and sending the first type signaling to a second communication node.
    Type: Application
    Filed: June 6, 2022
    Publication date: November 24, 2022
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yijian Chen, Yifei Yuan, Xinhui Wang
  • Publication number: 20220338185
    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: March 28, 2022
    Publication date: October 20, 2022
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 11451276
    Abstract: A method and apparatus for generating and utilizing spreading sequence codebooks for a symbol-level sequence spreading is disclosed. In one embodiment, a method performed by a wireless communication device, comprising: receiving a first number from a wireless communication node; selecting a first spreading sequence codebook from at least one spreading sequence codebook; selecting a first spreading sequence from the first spreading sequence codebook according to the first number; and spreading data symbols according to the first spreading sequence, wherein the at least one spreading sequence codebook each comprises a plurality of spreading sequences configured based on one entry of a first sequence set after cyclic shifting operation, wherein the first sequence set before cyclic shifting operation is configured based on a second sequence set.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: September 20, 2022
    Assignee: ZTE Corporation
    Inventors: Sha Wang, Yifei Yuan, Li Tian, Zhifeng Yuan, Wei Cao
  • Publication number: 20220278815
    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: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Bo GAO, Yu Ngok LI, Yijian CHEN, Zhaohua LU, Yifei YUAN, Xinhui WANG
  • Publication number: 20220271891
    Abstract: Provided are a signaling sending method and device and a signaling receiving method and device. The signaling sending method includes: configuring N sets according to reference-signal-related information satisfying a predetermined channel characteristic requirement, where N is an integer greater than or equal to 1, and an element in the N sets is the reference-signal-related information; generating a first type of signaling, where the first type of signaling carries the N sets; and sending the first type of signaling to a second communication node, where the first type of signaling is used for notifying the second communication node to perform beam indication according to the N sets.
    Type: Application
    Filed: March 14, 2022
    Publication date: August 25, 2022
    Inventors: Bo Gao, Yu Ngok Li, Zhaohua Lu, Yifei Yuan, Xinhui Wang