Patents by Inventor Keying Wu

Keying Wu 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: 20250151084
    Abstract: A first node receives a first message set and a first DCI; performs a measurement on a first RS resource group; transmits a first CSI on a PUSCH of a first cell. The first message set comprises a first message, and the first DCI comprises a first field and a second field; the first DCI is used to schedule PUSCHs on at least K cells, K being a positive integer greater than 1; the first cell is one of the K cells; the first field of the first DCI is used to trigger the first CSI; the second field of the first DCI is used to determine the first cell; the measurement performed on the first RS resource group is used to calculate the first CSI, and the first message is used to indicate the first RS resource group.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 8, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20250119196
    Abstract: The present application provides a method and device in a node for wireless communications. A first node receives a first CSI (Channel Status Information) report configuration set; transmits a first information block. The first CSI report configuration set comprises a first CSI report configuration, the first CSI report configuration is used to determine a first CSI report, and the first CSI report comprises a first compress CSI; the first information block comprises the first CSI report; the first CSI report configuration is associated with a first index; the first CSI report occupies a first-type processing unit starting from a first symbol, and a number of the first-type processing unit(s) occupied by the first CSI report is related to the first index. The above method satisfies the demands for processing capability for AI/ML-based CSI report, while avoiding the waste of processing capability and optimizing the system configuration.
    Type: Application
    Filed: December 16, 2024
    Publication date: April 10, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Patent number: 12237905
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node receives a first information block; receives a first signaling; and as a response to a behavior of receiving the first signaling, stops a first behavior; the first information block indicates a first reference signal set, and the first reference signal set comprises at least one reference signal; the first signaling comprises DCI, the first signaling is used to determine a first transmission state, and the first transmission state indicates a first reference signal; the first transmission state is applied to a first channel and a second channel. The above method temporarily stops the beam failure discovery and/or recovery request for the mismatched reference signals when a reference signal configured by RRC for beam failure monitoring does not match a beam used by a downlink control channel, thus avoiding the waste of resources.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: February 25, 2025
    Assignee: SHANGHAI TUILUO COMMUNICATION TECHNOLOGY PARTNERSHIP
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 12238705
    Abstract: The present disclosure provides a method and device in user equipment and base station for radio communications. A first node receives a first signaling and a second signaling; transmits a first radio signal on the first channel. The first signaling and the second signaling respectively comprise first configuration information and second configuration information, and the first configuration information and the second configuration information are respectively for a first channel and a second channel; the first radio signal comprises a first sub-signal and a second sub-signal; a first bit block and a second bit block are respectively used to generate the first sub-signal and the second sub-signal. When control information is carried on an uplink physical-layer data channel, the above method can respectively control transmission reliability of the control information and the uplink physical-layer data channel more flexibly, thus improving transmission efficiency.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: February 25, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Publication number: 20250063547
    Abstract: The present disclosure discloses a method and a device in a node for wireless communications. A first node receives a first information block; and operates first-type information in a first radio resource block. The first information block is used for determining a first radio resource set and K information units, K being a positive integer greater than 1; the first radio resource block belongs to the first radio resource set; the K information units respectively indicate K spatial relations; a first condition set is used for determining whether a spatial relation corresponding to the operation performed in the first radio resource block is related to the K information units; the first condition set is related to a first parameter. The method provided herein improves the reliability of transmission on physical layer control channel.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20250023684
    Abstract: A first node receives a first signaling and a second signaling; transmits a first signal in a first symbol group; and transmits or drops transmitting a second signal in a third symbol group. The first signaling is used to determine the first symbol group, the second signaling is used to determine a second symbol group, and the second symbol group is assigned to the second signal; the third symbol group comprises at least a part of the second symbol group overlapping with the first symbol group; the first signal is associated with a first reference signal resource; the second signal is associated with a second reference signal resource; whether the first node transmits the second signal in the third symbol group is related to whether the first reference signal resource and the second reference signal resource belong to a same reference signal resource group.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20250015921
    Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communications. A UE receives first information, the first information being used for indicating M DCI blind decoding(s); monitors a first-type radio signal respectively on each of S sub-band(s) in a first time-domain resource; and performs at most M1 DCI blind decoding(s) of the M DCI blind decoding(s) on the S sub-band(s) in the first time-domain resource. Herein, the first-type radio signal detected on the S sub-band(s) is used for determining the M1 DCI blind decoding(s) out of the M DCI blind decoding(s). The above method allows the base station to make dynamic adjustments to the UE's blind decoding on PDCCH resources according to LBT results, ensuring that sufficient PDCCH resources are available and not too many PDSCH resources are preempted, and that excessive blind decodings can be avoided.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG, Lin YANG
  • Patent number: 12176916
    Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. A first node generates a first bit block, performs channel coding and then transmits a first radio signal. The first bit block comprising all bits in a second bit block and all bits in a third bit block is used for an input of the channel coding, and an output of the channel coding is used for generating the first radio signal. A Cyclic Redundancy Check (CRC) bit block of a fourth bit block is used for generating the third bit block. The fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: December 24, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: KeYing Wu, Xiaobo Zhang
  • Patent number: 12170982
    Abstract: The present disclosure discloses a method and a device in a node for wireless communications. A first node receives a first information block; and operates first-type information in a first radio resource block. The first information block is used for determining a first radio resource set and K information units, K being a positive integer greater than 1; the first radio resource block belongs to the first radio resource set; the K information units respectively indicate K spatial relations; a first condition set is used for determining whether a spatial relation corresponding to the operation performed in the first radio resource block is related to the K information units; the first condition set is related to a first parameter. The method provided herein improves the reliability of transmission on physical layer control channel.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 12170907
    Abstract: A method and a device in a node for wireless communications. A first node monitors or drops monitoring a first signal in a first resource block; and transmits a second signal in a second resource block. The second resource block corresponds to a first index; the first resource block is reserved for a HARQ-ACK for a bit block set transmitted in a third resource block; when a first condition set is fulfilled, a spatial relation of the second signal is unrelated to the first index; when the first condition set is unfulfilled, the first index is used for determining the spatial relation of the second signal; the first condition set relates to whether the first signal is conveyed in the first resource block. The method above provides an easy implementation of beamforming in a V2X system, which optimizes gains of beamforming and also prevents complicated signaling interaction.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Publication number: 20240406940
    Abstract: A first node receives a first signaling and transmits a first signal. The first signaling indicates scheduling information of the first signal; the first signal comprises a first sub-signal and a second sub-signal; a first field and a second field of the first signaling are respectively used to determine antenna ports for transmitting the first sub-signal and the second sub-signal; a payload of bit(s) in the second field of the first signaling is related to K1 candidate integers; the relationship between the payload of the bit(s) in the second field of the first signaling and the K1 candidate integers is related to whether a time-domain resource occupied by the first sub-signal overlaps with a time-domain resource occupied by the second sub-signal. The above method meets different requirements for the number of bits in the first field and the second field for different multiplexing methods.
    Type: Application
    Filed: August 16, 2024
    Publication date: December 5, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20240381322
    Abstract: The present disclosure discloses a method and device in UE and base station used for wireless communications. A UE transmits a first radio signal, the first radio signal indicating a first reference signal out of M reference signals; and monitors a first signaling in each of W time-frequency resource block(s). Herein, at least one reference signal of the M reference signals is transmitted by a first serving cell, and the first serving cell is not added by the UE; the UE assumes that a transmission antenna port of the first signaling is Quasi-Co-Located with a transmission antenna port of the first reference signal; W is a positive integer, and M is a positive integer greater than 1. Such method can be employed to avoid delay and service interruption brought about by cell handover.
    Type: Application
    Filed: July 19, 2024
    Publication date: November 14, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG, Lin YANG
  • Patent number: 12132686
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node transmits a first signal, and the first signal is used for random access; in response to transmitting the first signal, monitors a first-type channel in a first resource set to detect a first-type signaling; monitors the first-type channel in a second resource set to detect a second-type signaling; receives a target signaling, the target signaling is used to determine a target time; and when the target signaling is a third-type signaling, in response to receiving the target signaling, stops monitoring the first-type channel in the first resource set after the target time; when the target signaling is a fourth-type signaling, in response to receiving the target signaling. The above method can quickly recover a beam for unicast service and a beam for PTM/multicast groupcast service after beam failure.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: October 29, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 12126438
    Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communications. A UE receives first information, the first information being used for indicating M DCI blind decoding(s); monitors a first-type radio signal respectively on each of S sub-band(s) in a first time-domain resource; and performs at most M1 DCI blind decoding(s) of the M DCI blind decoding(s) on the S sub-band(s) in the first time-domain resource. Herein, the first-type radio signal detected on the S sub-band(s) is used for determining the M1 DCI blind decoding(s) out of the M DCI blind decoding(s). The above method allows the base station to make dynamic adjustments to the UE's blind decoding on PDCCH resources according to LBT results, ensuring that sufficient PDCCH resources are available and not too many PDSCH resources are preempted, and that excessive blind decodings can be avoided.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: October 22, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang, Lin Yang
  • Patent number: 12126419
    Abstract: The present disclosure provides a method and a device used in a User Equipment (UE) and a base station for wireless communications. The UE receives a first signaling; and transmits a first radio signal; wherein the first signaling comprises scheduling information of the first radio signal; the first signaling is used to determine a first index, and the first index is used to determine a transmitting antenna port of the first radio signal; transmit power of the first radio signal is first power, and a linear value of the first power is equal to a product of a linear value of second power and a first coefficient; the first coefficient is one of K candidate coefficients. The above method optimizes Uplink transmit power according to the UE's own capabilities.
    Type: Grant
    Filed: December 27, 2023
    Date of Patent: October 22, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang, Lin Yang
  • Patent number: 12127189
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node receives a first signaling; and operates a first signal group. The first signaling is used for determining a first reference-signal-resource set; a first parameter-group set comprises a positive integer number of parameter group(s), any parameter group in the first parameter-group set is used for the operating action of a signal in the first signal group; any reference signal resource in the first reference-signal-resource set is used for determining a parameter group in the first parameter-group set. The above method unifies beam management mechanisms for both Uplink and Downlink, which improves performance of Uplink transmission and reduces corresponding signaling overhead and delay.
    Type: Grant
    Filed: November 16, 2023
    Date of Patent: October 22, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Publication number: 20240349268
    Abstract: The present disclosure provides a method and a device for wireless communication. The UE receives a first signaling and a second signaling from a base station, and then operates a first radio signal. Herein, the first signaling comprises a first field, the second signaling comprises a second field; the second signaling comprises first-type scheduling information of the first radio signal; the first field of the first signaling and the second field of the second signaling are jointly used for determining whether the first radio signal is related to the first signaling; the operating action is receiving, or the operating action is transmitting. When the UE is scheduled to transmit or measure a plurality of reference signals, the above method can be employed to avoid possible misunderstanding or confusion resulted from citation of one reference signal.
    Type: Application
    Filed: March 5, 2024
    Publication date: October 17, 2024
    Inventors: KeYing Wu, Xioabo Zhang
  • Patent number: 12107780
    Abstract: Disclosure discloses method and device in a node used for wireless communication. A first node receives a first information block and a first signaling; and operates a first signal. The first information block is used for determining M first-type indexes out of N first-type indexes; the M first-type indexes are used for determining M1 information elements out of N1 information elements, and for determining M2 information elements out of N2 information elements; the first signaling comprises scheduling information of the first signal, and a first information element is used for determining Rx/Tx parameters of the first signal; when the operating is receiving, the first signaling indicates the first information element out of the M1 information elements; when the operating is transmitting, the first signaling indicates the first information element out of the M2 information elements. The above method streamlines beam management and improves the performance of uplink data transmission.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: October 1, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 12101278
    Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node receives a first reporting configuration and a first signaling; and transmits a first information block. The first signaling indicates a first transmission configuration state; the first information block comprises a reporting for the first reporting configuration; the first reporting configuration comprises N resource configurations; the N resource configurations respectively correspond to N first-type indexes; the first transmission configuration state corresponds to a first index; the first index is used to determine a first resource configuration; a measurement on reference signal resource(s) only in the first resource configuration among the N resource configurations is used to generate the first information block. The above method ensures that a TCI state of reference signals constantly matches with configuration information with the beams being dynamically updated.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: September 24, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 12082161
    Abstract: The present disclosure discloses a method and device in UE and base station used for wireless communications. A UE transmits a first radio signal, the first radio signal indicating a first reference signal out of M reference signals; and monitors a first signaling in each of W time-frequency resource block(s). Herein, at least one reference signal of the M reference signals is transmitted by a first serving cell, and the first serving cell is not added by the UE; the UE assumes that a transmission antenna port of the first signaling is Quasi-Co-Located with a transmission antenna port of the first reference signal; W is a positive integer, and M is a positive integer greater than 1. Such method can be employed to avoid delay and service interruption brought about by cell handover.
    Type: Grant
    Filed: October 9, 2022
    Date of Patent: September 3, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang, Lin Yang