Patents by Inventor Xiaohang CHEN

Xiaohang CHEN 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: 20220149992
    Abstract: A channel sending method includes: determining a first transmission parameter, where the first transmission parameter includes at least one of following: a time domain resource, an RV, or a HARQ process number, the time domain resource includes at least one of N candidate transmission opportunities, and the N candidate transmission opportunities correspond to M uplink channels; and sending P uplink channels based on the first transmission parameter. N, M, and P are all positive integers.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaohang CHEN, Lei JIANG, Zhi LU
  • Publication number: 20220131650
    Abstract: A HARQ-ACK processing method includes: determining a first HARQ-ACK bit from a first HARQ-ACK codebook according to information indicated by DCI corresponding to the first HARQ-ACK codebook and/or indexes of carriers where PDSCHs corresponding to the first HARQ-ACK codebook are located; and multiplexing the first HARQ-ACK bit and HARQ-ACK bits in a second HARQ-ACK codebook or discarding the first HARQ-ACK bit.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaohang CHEN, Zhi LU, Xiaodong SHEN, Na Li
  • Publication number: 20220132590
    Abstract: A random access message transmission method includes: selecting a target transmission parameter from a plurality of transmission parameters, where the target transmission parameter includes at least one of an RV, an RV sequence, or a number of repetitions; and sending a random access message according to the target.
    Type: Application
    Filed: January 10, 2022
    Publication date: April 28, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaohang CHEN, Peng SUN
  • Publication number: 20220132496
    Abstract: A UCI transmission method, a UCI receiving method, a terminal, and a network device are provided. The method includes: in a case that a time-domain transmission resource of a first uplink channel carrying first UCI and a time-domain transmission resource of a second uplink channel carrying second UCI are overlapped, multiplexing the first UCI and the second UCI on a same channel for transmission.
    Type: Application
    Filed: January 5, 2022
    Publication date: April 28, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD
    Inventors: Zhi LU, Na LI, Xiaodong SHEN, Xiaohang CHEN
  • Patent number: 11310839
    Abstract: The present disclosure provides a grant-free transmission method, a user equipment, and a base station. The grant-free transmission method at a user equipment side includes: step a, sending a first multiple access signature selected by a user equipment to a base station; step b, receiving an intervention result of the base station for the user equipment; step c, determining, when the intervention result is to adopt the first multiple access signature, to adopt the first multiple access signature for data transmission; and step d, determining, when the intervention result is to adopt a second multiple access signature, to adopt the second multiple access signature for the data transmission. According to the grant-free transmission method, the user equipment, and the base station provided by the present disclosure, the collision during the grant-free transmission is avoided or reduced with less signaling overhead.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: April 19, 2022
    Assignee: NTT DoCoMo, Inc.
    Inventors: Neng Ye, Xiangming Li, Xiaohang Chen, Xiaolin Hou, Qun Zhao, Huiling Jiang
  • Publication number: 20220095294
    Abstract: The embodiments of the present disclosure provide a processing method and device. The method includes: receiving a redundancy version RV sequence, where an RV identity for last N transmission opportunities in the RV sequence is 0 or 3, and N is a positive integer; and decoding a retransmission position according to an RV identity order indicated by the RV sequence.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 24, 2022
    Inventors: Yumin WU, Xiaohang CHEN
  • Publication number: 20220086916
    Abstract: This application provides a mapping method, a terminal device, and a network-side device. The method includes: transmitting a random access message based on a target mapping relationship between physical uplink shared channel (PUSCH) resources and synchronization signal block SSB-related resources, where the target mapping relationship is determined according to a preset mapping rule.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 17, 2022
    Inventors: Xiaohang CHEN, Peng SUN, Xiaodong SHEN
  • Patent number: 11272485
    Abstract: The present disclosure provides an information transmission method, a terminal and a base station. The information transmission method is applied to a terminal and includes: carrying uplink control information on at least one control region of a grant-free resource; and transmitting the uplink control information carried on the grant-free resource to a base station.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: March 8, 2022
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaohang Chen, Xueming Pan
  • Publication number: 20220061104
    Abstract: Embodiments of this disclosure provide a method for 2-step random access and a terminal. The method includes: receiving one or more pieces of configuration information for 2-step random access; and determining a transmission resource and/or a transmission mode based on the configuration information and assistance uplink transmission information, and performing uplink transmission.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Peng SUN, Xiaohang CHEN, Hao LIU
  • Publication number: 20220053554
    Abstract: This disclosure provides a random access method and apparatus, and user equipment, and belongs to the field of wireless communications technologies. The random access method is applied to user equipment and includes: in a case that a time domain resource for a random access message conflicts with a time domain resource indicated by a network-side message, performing any one of the following: transmitting the random access message on the time domain resource for the random access message; canceling transmission of the random access message; delaying transmission of the random access message; and ignoring the network-side message.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Inventors: Xiaohang CHEN, Peng SUN
  • Publication number: 20220045729
    Abstract: A physical uplink control channel resource determination method and a communication device are disclosed in embodiment of this disclosure. The method includes: determining a reference bit quantity of CSI-part 2 according to a preset rule; determining a sum of reference bit quantities of AN/SR and CSI according to the reference bit quantity, wherein the CSI at least includes: CSI-part 1 and the CSI-part 2; determining a target PUCCH RESET according to the sum of reference bit quantities.
    Type: Application
    Filed: September 30, 2020
    Publication date: February 10, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Na LI, Xiaodong Shen, Peng Sun, Yang Song, Xueming Pan, Xiaohang Chen, Zhi Lu
  • Publication number: 20220022268
    Abstract: This disclosure discloses an information transmission method for a random access procedure and a terminal. The method includes: obtaining a mapping relationship between interlaces of physical random access channel PRACH resources and physical uplink shared channel PUSCH resources, where the interlace includes at least one PRACH resource unit; and sending a random access message on a random access resource according to the mapping relationship, where the random access resource includes the PUSCH resources and the PRACH resources.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Xiaodong SHEN, Peng SUN, Xiaohang CHEN
  • Publication number: 20220022184
    Abstract: A transport block size determining method includes: determining a duration of a first transmission in N nominal transmissions, where the first transmission is an actual transmission corresponding to a first nominal transmission or a second nominal transmission, and N is an integer greater than or equal to 1; and determining a TBS based on PRBs within the duration.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Inventors: Zhi LU, Xiaodong SHEN, Na LI, Xiaohang CHEN, Xueming PAN
  • Publication number: 20220015124
    Abstract: A downlink assignment index determining method includes: receiving signaling, the signaling includes first information; and performing DAI identification in the signaling based on the first information, the DAI identification includes at least one of: determining whether the signaling includes a DAI; or identifying a type of the DAI in the signaling.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Xiaodong SHEN, Zhi LU, Na LI, Xiaohang CHEN
  • Patent number: 11212749
    Abstract: Provided are an information configuration method, a power adjustment method, a base station, and a mobile terminal. The information configuration method comprises: configuring, according to a transmission parameter of an uplink transmission channel, a power adjustment parameter corresponding to the transmission parameter, the power adjustment parameter being used by a mobile terminal to adjust a transmission power of the uplink transmission channel; and transmitting the power adjustment parameter to the mobile terminal.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: December 28, 2021
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Na Li, Xiaodong Shen, Xiaohang Chen, Dajie Jiang, Kai Wu, Xiaodong Sun
  • Publication number: 20210368494
    Abstract: Provided in the present disclosure are a data transmission method, a base station, and a User Equipment (UE). The data transmission method is applicable to a base station and includes: configuring a plurality of grant-free transmission resource configurations for a UE; and transmitting the plurality of grant-free transmission resource configurations to the UE, to enable the UE to select one grant-free transmission resource configuration from the plurality of grant-free transmission resource configurations to perform uplink data transmission.
    Type: Application
    Filed: June 13, 2018
    Publication date: November 25, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: XIAOHANG CHEN, Xueming PAN
  • Publication number: 20210360661
    Abstract: Embodiments of the present disclosure provide an information sending method and a terminal device. The method includes: obtaining a PUSCH transmission occasion; and determining, based on a location relationship between the PUSCH transmission occasion and a slot boundary, whether to send a PUSCH at the PUSCH transmission occasion, where the PUSCH corresponds to a random access message.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaohang Chen, Peng Sun
  • Publication number: 20210360708
    Abstract: An information transmission method includes: if a PRACH transmission occasion is valid and a PUSCH transmission occasion associated with the PRACH transmission occasion is valid, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and transmitting a PUSCH corresponding to the random access message on the PUSCH transmission occasion.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaohang CHEN, Xiaodong SHEN
  • Publication number: 20210360707
    Abstract: A method for transmitting a random access message and a device are provided. The method includes: determining a valid transmission occasion from transmission occasions of a random access message, where the random access message corresponds to at least one of physical random access channel (PRACH) or physical uplink shared channel (PUSCH); and transmitting the random access message on the valid transmission occasion.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Inventors: Xiaohang CHEN, Xiaodong SHEN
  • Publication number: 20210360709
    Abstract: Embodiments of this application disclose a data processing method and user equipment. The method includes: performing any one of the following based on a relationship between a target time domain gap and a first preset value: sending a random access channel; sending an uplink data channel; sending a random access channel and an uplink data channel; or skipping sending a random access channel and an uplink data channel, where the target time domain gap is a gap between a time domain location of a first resource and a time domain location of a second resource, the first resource is a resource for the random access channel, the second resource is a resource for the uplink data channel, and the random access channel and the uplink data channel are used to carry a random access message.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaohang CHEN, Peng SUN