Patents by Inventor Xiaobo Zhang

Xiaobo Zhang 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: 12177851
    Abstract: Present disclosure provides a method and a device in nodes for wireless communication. A first receiver receives a first information block, the first information block being used to determine a first radio resource pool and a first code rate, where the first code rate is a non-negative number; and a first transmitter transmits a first signal, the first signal being used to carry a first bit block and a second bit block, the first bit block including at least one control information bit, the second bit block including at least one control information bit; herein, a radio resource occupied by the first signal belongs to the first radio resource pool, a number of PRBs occupied by the first signal in frequency domain is equal to a first number, the first number being no greater than a number of PRBs included by the first radio resource pool in frequency domain.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: December 24, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yang Hu, Xiaobo Zhang
  • Patent number: 12177817
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first receiver receives a first signal and a second signal; a first transmitter transmits a third signal in a first radio resource pool; wherein the first signal is used for determining first information, the first information being related to channel quality between the first node and a transmitter of the first signal; the second signal is used for determining second information, the second information being related to channel quality between a transmitter of the second signal and the first node; the transmitter of the first signal is different from the transmitter of the second signal; and the first information and the second information are used together for determining a magnitude of time-domain resources occupied by the third signal.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: December 24, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • 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: 12177899
    Abstract: A method and a device for use in wireless communication nodes are disclosed in the present disclosure. A first node firstly performs channel listening to determine that K1 sub-bands out of K sub-bands are idle; and then transmits a first control information block and a second control information block on a first channel; the first channel occupies the K1 sub-bands of the K sub-bands; K1 repetitions of the first control information block are respectively transmitted by the K1 sub-bands, while the second control information block is transmitted only once on the first channel; the first control information block is used to indicate a sub-band occupied by the second control information block. The present disclosure categorizes UCI and transmits in different ways, so that different groups of UCI can be mutually indicated, thus enhancing the uplink transmission efficiency and performance on Unlicensed Spectrum.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: December 24, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, Xiaobo Zhang
  • Publication number: 20240422697
    Abstract: A first node receives a first signaling and transmits a first signal. The first signal is a first-type signal or a second-type signal, and the first signaling is used to indicate a first reference signal resource from the first reference signal resource set or the second reference signal resource set; a target parameter is used to determine transmit power of the first-type signal and transmit power of the second-type signal; a first candidate value group comprises one or multiple candidate values of the target parameter corresponding to the first reference signal resource; the first candidate value group comprises a target value, and the target value is used to determine transmit power of the first signal; a number of candidate value(s) comprised in the first candidate value group is related to whether a first condition is satisfied.
    Type: Application
    Filed: September 3, 2024
    Publication date: December 19, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Xiaobo ZHANG
  • Publication number: 20240422833
    Abstract: The present application discloses a method and a device in a communication node for wireless communications. The communication node transmits a first signal, the first signal including at least a random access preamble; and monitors a first signaling in a first time window, the first signaling being used to schedule a random access response for the first signal, an end time in time domain of the first signal being used to determine a start of the first time window; the first signal is associated with a first resource set, the first resource set belonging to a first resource pool, the first resource pool including multiple resource sets; at least one spatial parameter of the first signaling is related to at least one of an index of the first resource set in the first resource pool or an index of the first resource pool.
    Type: Application
    Filed: August 29, 2024
    Publication date: December 19, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qiaoling YU, Xiaobo ZHANG
  • Publication number: 20240422832
    Abstract: The present application provides a method and device for wireless communications, comprising receiving a first signaling; the first signaling is used to indicate that a main path of SRB1 (Signaling Radio Bearer 1) is associated with a first radio link; the SRB1 is respectively associated with the first radio link and the second radio link; after receiving the first signaling, detecting failure occurred in the first radio link; as a response to the behavior of detecting failure occurred in the first radio link, executing a first operation set, the first operation set being related to whether one of the first radio link and the second radio link is for a U2N (UE to Network) relay. Through the first signaling and the first message, the present application helps to optimize the network in improving the communication reliability and avoiding the communication interruption.
    Type: Application
    Filed: September 3, 2024
    Publication date: December 19, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Publication number: 20240422795
    Abstract: A first node receives a reference information block; wherein the reference information block is used to configure a first CORESET pool on a first BWP, and the first CORESET pool comprises at least one CORESET; a first RS resource set is used for radio link quality assessment of the first BWP, the first RS resource set depends on a first TCI state set, the first TCI state set comprises at least one TCI state of at least one CORESET in the first CORESET pool; a target CORESET is a CORESET including two TCI states in the first CORESET pool; the two TCI states of the target CORESET respectively indicate QCL information of a DMRS antenna port for a PDCCH reception in the target CORESET in different PDCCH monitoring occasions. The above method flexibly adjusts a radio link quality assessment by determining appropriate RS resources.
    Type: Application
    Filed: June 13, 2024
    Publication date: December 19, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Shulin SONG, Xiaobo ZHANG
  • Publication number: 20240422785
    Abstract: The present disclosure discloses a method and device for use in wireless communication nodes. A first node firstly receives a first signaling and then transmits a first radio signal and first information in a first time-frequency resource set; the first signaling is used to determine the first time-frequency resource set, and the first signaling comprises a first field, the first field being used to determine a first parameter set out of K1 parameter sets, the first parameter set comprising K2 first-type parameters, at least one of the K2 first-type parameters is used to determine a first integer, and a number of REs occupied by the first information in the first time-frequency resource set is equal to the first integer; the K1 parameter sets are related to a first condition set. The present disclosure helps improve UCI transmission performance, thus avoiding excessive uplink data resources occupied by UCI.
    Type: Application
    Filed: September 3, 2024
    Publication date: December 19, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG
  • Patent number: 12171029
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node transmits a first sequence and a first radio signal, the first sequence is associated with the first radio signal; and receives a second radio signal; the first radio signal is used to carry a target identifier; the second radio signal comprises a first information block, the first information block comprises a first field and a second field, the second field is used to determine a first value, and the first value is a non-negative integer; the first field and a value interval to which the first value belongs are used to determine whether the second radio signal comprises a second information block. Through the re-analyzing of the existing signalings, the present disclosure avoids extra signaling overhead, realizes contention resolution of 2-step RACH, and supports flexible switching between 2-step RACH and 4-step RACH.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Jin Liu, Xiaobo Zhang
  • Patent number: 12170987
    Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node first receives first information, the first information being used for determining a target carrier; then detects a first signaling in a first candidate resource set; and when the first signaling is detected, operates a first signal in a first carrier, and the first signaling is used for determining time-frequency resources occupied by the first signal; the first signaling carries a first identifier, and the first identifier is used for identifying the first carrier; the first candidate resource set comprises a positive integer number of candidate resource group(s), and the first signaling occupies a candidate resource group in the first candidate resource set. The present disclosure configures different Carrier Indicator Fields (CIFs) for the first carrier to optimize the mode of blind detection, thus improving performance of the system.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, 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
  • Patent number: 12170950
    Abstract: The disclosure provides a method and a device for wireless communication. The method includes: determining a target identifier, and receiving a first signal, the first signal carrying first information; wherein the first information comprises information of an access stratum, the first information is used for indicating a first identifier set, and the first identifier set comprises a positive integer number of identifiers; the first identifier set is associated to second information; a second signal carries the second information, and the second information comprises information of a non-access stratum; whether the first identifier set comprises the target identifier is used for determining whether the second information is valid. The disclosure determines the validity of the second information through reasonably determining the target identifier and the first identifier set, thus increasing the reliability of the system and saving system resources.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 12170588
    Abstract: A method and a device for wireless communication are disclosed. The base station transmits a first radio signal on first frequency-domain resources in a first time window, and then transmits a first signaling. The center frequency of the first frequency-domain resources is a first frequency; the first frequency-domain resources comprise X subcarrier(s); a center frequency of a first carrier to which the first frequency-domain resources belong is a second frequency; an interval between the first frequency and the second frequency in frequency domain is related to a subcarrier spacing of the X subcarrier(s); the first signaling is used to determine a feature ID of a transmitter of the first radio signal in the first carrier. The present disclosure can independently configure the center frequency of a carrier and the center frequency of a user equipment to avoid resource waste and reduce synchronization complexity.
    Type: Grant
    Filed: April 23, 2023
    Date of Patent: December 17, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20240414673
    Abstract: The communication node receives a first information block, the first information block being used to determine a first resource block; and transmits a first signaling in the first resource block, the first signaling being used to indicate a first index; the first index is one of multiple candidate indexes, and any of the multiple candidate indexes is a non-negative integer; any of the multiple candidate indexes corresponds to at least one reference signal resource, and an uplink transmission being associated with a reference signal resource corresponding to the first index is non-synchronised. This application proposes an uplink timing recovery scheme based on reporting for the problem that the UE cannot recover the uplink timing in time, which triggers uplink timing recovery in a timely manner via UE reporting of the non-synchronisation in uplink timing.
    Type: Application
    Filed: August 19, 2024
    Publication date: December 12, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qiaoling YU, Xiaobo ZHANG
  • Publication number: 20240413960
    Abstract: A first node receives a target signaling, the target signaling indicating at least one symbol of first type, the at least one symbol of the first type including a downlink symbol for uplink transmission in a first sub-band that is indicated by TDD UL-DL configuration; and transmits a first signal; the first signal comprises a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal being two hops for the first signal, respectively; the first signal occupies a target symbol set in time domain; a starting RB occupied by the second sub-signal is a target RB, where a frequency-domain location of the target RB depends on a first integer, a distribution of the symbols of the first type in the target symbol set is used to determine the first integer. This application improves the uplink frequency hopping transmission procedure, and improves the anti-interference ability of signals.
    Type: Application
    Filed: May 29, 2024
    Publication date: December 12, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Ping WANG, Xiaobo ZHANG
  • Publication number: 20240414692
    Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for paging. The UE first monitors a first signaling in X time intervals respectively, and then receives a first radio signal. The first signaling is used for determining scheduling information for the first radio signal. The scheduling information includes at least one of {occupied time-frequency resource, adopted MCS, subcarrier spacing of subcarriers in occupied frequency domain resource}. The first radio signal carries a paging message. The frequency domain resource is used for transmitting the first signaling belongs to a first subband. The first subband includes a positive integer number of consecutive subcarriers in frequency domain. At least one of {location of the first subband in frequency domain, subcarrier spacing of subcarriers included in the first subband} is used for determining the X time intervals.
    Type: Application
    Filed: February 23, 2024
    Publication date: December 12, 2024
    Applicant: APEX BEAM TECHNOLOGIES LLC
    Inventor: Xiaobo ZHANG
  • Publication number: 20240414662
    Abstract: A node first receives a first information set, the first information set is used to indicate a first reference signal resource set and a second reference signal resource set; then transmits a target signal, the target signal comprises a second information set; the second information set comprises a first power difference value; the first power difference value is equal to a difference value of a first target power value minus a first reference power value, and the first reference power value is equal to a sum of a first power value and a second power value; the first power value is associated with the first reference signal resource set, and the second power value is associated with the second reference signal resource set. This improves the reporting method of power headroom when the terminal is configured with multiple reference signal resource sets to improve spectrum efficiency.
    Type: Application
    Filed: August 19, 2024
    Publication date: December 12, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG
  • Patent number: 12166701
    Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node firstly receives a first signaling and a second signaling, the first signaling indicating a first zone size and a second zone size, while the second signaling indicating a first radio resource pool and a second radio resource pool; and then determines according to the current position whether to transmit a first signal in a first radio resource set; when the first radio resource set is associated with the first radio resource pool, the first zone size is used to determine the current position. By respectively associating the first zone size and the second zone size with the first radio resource pool and the second radio resource pool, the present disclosure manages to optimize the determination of feedback transmission in sidelink, which in turn improves the spectrum efficiency of sidelink transmission.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: December 10, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, Xiaobo Zhang