Patents Assigned to SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
  • Publication number: 20240147493
    Abstract: A communication node receives a first signaling, and the first signaling indicates a target identity; monitors a first PDCCH, the first PDCCH is associated with a first downlink RS resource, the first downlink RS resource is associated with a first PCI; receives a second signaling, the second signaling is used to indicate a second PCI; as a response to the behavior of receiving a second signaling, monitors a second PDCCH and discards monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling comprises an RRC message; the second signaling comprises a signaling below the RRC layer; the first PDCCH uses a source identity for scrambling; the second PDCCH uses the target identity for scrambling; the source identity and the target identity are different.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qiaoling YU, Xiaobo ZHANG
  • Publication number: 20240147569
    Abstract: Discloses a method and a device for wireless communications. A first node receives a first message in RRC_Inactive state, the first message indicating a first MBS session; and as a response to receiving the first message, enters into a first RRC state; receives at least one radio signal in the first RRC state, of which each radio signal comprising a data unit of the first MBS session; herein, the first RRC state is one of RRC_Connected state or RRC_Inactive state; whether the first RRC state is RRC_Connected state or RRC_Inactive state is related to at least channel quality of a first cell; when the channel quality of the first cell is worse than a first threshold, the first RRC state is RRC_Connected state. The present application supports MBS reception.
    Type: Application
    Filed: October 13, 2023
    Publication date: May 2, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Jinfang ZHANG, Xiaobo ZHANG
  • Publication number: 20240146447
    Abstract: The present application discloses a method and a device in a node for wireless communications. A first receiver receives Q1 bit blocks, Q1 being a positive integer greater than 1; a first transmitter, transmits a first message and a first bit block; herein, the first message is used for indicating an associated bit block set of each bit in the first bit block, and the associated bit block set of each bit in the first bit block comprises at least one bit block among the Q1 bit blocks, and each bit in the first bit block is used for indicating whether a corresponding associated bit block set is correctly decoded.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yang HU, Xiaobo ZHANG
  • Patent number: 11974170
    Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node performs channel detection in a first time window to determine a candidate time-frequency resource pool and then receives a first signaling, the first signaling being used to determine a first time-frequency resource set; and transmits a target signaling, the target signaling being used for reserving a candidate time-frequency resource set; the candidate time-frequency resource pool comprises the candidate time-frequency resource set; the candidate time-frequency resource set is reserved for transmission of a first TB; the channel detection is related to the first TB's type. Through designing the present disclosure manages to associate time-frequency resources covered by the channel detection with the first TB's type or duration, thus enhancing the performance of channel detection, which further optimizes sidelink transmission performance and efficiency.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: April 30, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, Xiaobo Zhang
  • Publication number: 20240137092
    Abstract: The present application provides a method and device in a node for wireless communications. A first node receives a first information block and a second information block, and transmits a third information block. The first information block indicates a first function; the second information block indicates whether a target reference signal resource is associated with the first function; the third information block indicates a first compressed CSI, and a first pre-compressed CSI is used as an input to the first function to generate the first compressed CSI. The above method can flexibly configure a relation between reference signals and AI algorithms/parameters, and select the optimal AI algorithm/parameter to compress/decompress a CSI based on a certain reference signal, thus optimizing the performance of CSI feedback.
    Type: Application
    Filed: January 5, 2024
    Publication date: April 25, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20240137962
    Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives a first signaling in a first time-frequency resource, then receives a second signaling in a second time-frequency resource, or transmits a second signaling in a second time-frequency resource, and finally operates a first radio signal; the first signaling is a Semi-Persistent Scheduling (SPS) signaling, and the first time-frequency resource is located before the second time-frequency resource in time domain; the first signaling comprises first configuration information, the first configuration information is applicable to the first radio signal; the second signaling is used for determining a first multiantenna related parameter.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 25, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG
  • Publication number: 20240129010
    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: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG, Lin YANG
  • Publication number: 20240129826
    Abstract: A communication node receives a first message, the first message is used to determine a first criterion and a second criterion; determines that a first cell meets a target criterion, the target criterion is one of the first criterion or the second criterion; transmits a first signal on the first cell; the first criterion comprises at least one of time information or location information, and the first criterion comprises a measurement result for reference signal(s) of the first cell; the second criterion comprises a measurement result for reference signal(s) of the first cell, and the second criterion does not comprise time information and location information; whether the target criterion is the first criterion or the second criterion is related to whether a radio connection problem occurs at the first node. The present application shortens the interruption delay incurred by the radio connection problem in large delay networks.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 18, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qiaoling YU, Xiaobo ZHANG
  • Patent number: 11963193
    Abstract: The present disclosure discloses a UE and a base station used for wireless communications. The UE receives Q control signaling groups respectively in Q time windows; receives a first control signaling that is used for determining Q1 time window(s) out of the Q time windows; and performs energy detection to determine whether to transmit on a first time-frequency resource; herein, any of the Q control signaling groups comprises a first field; any control signaling comprised by the Q control signaling groups comprises a first field; first fields comprised by control signalings in any of the Q control signaling groups are of a same value; among any Q2 adjacent control signaling groups of the Q control signaling groups, any two control signaling groups comprise first fields of different values; the first radio signal comprises first feedback information. The present disclosure not only ensures HARQ-ACK transmission but reduces signaling overhead redundancy.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 11963140
    Abstract: A method and a device in a communication node used for wireless communications is disclosed in the present disclosure. The communication node first receives first information and second information; and transmits a first radio signal in a first time window; and then transmits a second radio signal; the first information is used to determine a target time window, the second radio signal occupies a second time window in time domain, and the second information is used to determine at least one of whether the second time window belongs to the target time window or a relative position relationship between the second time window and the target time window; an end of the first time window is earlier than a start of the target time window. The present disclosure helps improve the utilization ratio of resources in Grant-Free transmission.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng Liu, Xiaobo Zhang
  • Patent number: 11962529
    Abstract: The present disclosure discloses a method and a device for wireless communications in a UE and a base station. A first node transmits a first signal; and monitors a first-type signaling in a first resource block in a first time window. The first signal is used for determining a first reference signal; the first node assumes a QCL parameter identical to a target reference signal for monitoring the first-type signaling in the first resource block in the first time window; the target reference signal is either the first reference signal or a second reference signal; whether the first time window belongs to a first-type time window is used for determining the target reference signal between the first reference signal and the second reference signal. The method provided above raises the chance of a node being served and resource utilization ratio in Unlicensed Spectrum.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying Wu, Xiaobo Zhang
  • Patent number: 11963118
    Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first receives a first radio signal and a second radio signal, and then transmits a third radio signal. The first radio signal is used for determining a first signature sequence, and a receiving timing of the second radio signal is used for determining a transmitting timing of the third radio signal. The first signature sequence is used for generating the third radio signal. The first radio signal and the second radio signal are associated with a first synchronization sequence and a second synchronization sequence respectively, and the first synchronization sequence is different from the second synchronization sequence. According to the disclosure, through the designs of the first radio signal and the second radio signal, thereby improving system performances and transmission efficiency.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 11962453
    Abstract: The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node receives first information and second information; and transmits a first radio signal, an SCS of a subcarrier occupied by the first radio signal is equal to a first SCS; a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment. The present disclosure improves scheduling flexibility.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng Liu, Xiaobo Zhang
  • Patent number: 11963191
    Abstract: The present disclosure provides a method and a device in nodes used for wireless communication. A first receiver, receiving a first DCI group, which comprises at least one piece of DCI; a first transmitter, transmitting a first signal, which carries a first HARQ-ACK bit sequence; herein, for any DCI in the first DCI group, a first field comprised is used to indicate an accumulated number of cell(s) scheduled by first-type DCI in a first resource pool as of a current reference cell and a current time interval; the current reference cell is a cell having a default cell index of cell(s) scheduled by the DCI in the first DCI group, time-domain resources occupied by the DCI in the first DCI group belong to the current time interval, and at least one piece of DCI in the first DCI group schedules more than one cell.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: April 16, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20240121848
    Abstract: A method and device for wireless communications, comprising receiving a first signaling; the first signaling comprising a first cell identity, the first cell identity being configured to a target Special Cell (SpCell); detecting a first event; herein, the first event belongs to a first candidate event set, the first candidate event set comprises at least one of a first timer being expired, receiving an indication of MAC of an MCG related to a problem occurring in random access procedure, receiving an indication of RLC of an MCG related to reaching a maximum number of retransmissions, or receiving an indication of MAC of an MCG related to continuous uplink listen before talk (LBT) failure; the behavior of detecting whether a first event triggers radio link failure is related to whether there is an ongoing first signaling procedure. The present application can achieve better mobility management through a first signaling.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 11, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Publication number: 20240120981
    Abstract: The present application discloses a method and device in a node for wireless communications. A first node receives a reference signal in a first reference signal resource sub-pool; determines a first function according to the receiving behavior in the first reference signal resource sub-pool; transmits a first information block, the first information block being used to determine the first function; receives a second information block, the second information block being used to determine whether a target reference signal resource is associated with the first function; and transmits a third information block, the third information block indicating a first compressed CSI, the first compressed CSI being an input to the first function for generating a first CSI.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20240114470
    Abstract: The present application discloses a method and a device for wireless communications, including: receiving a first signal, the first signal comprising a first message; and determining a synchronization reference according to at least whether the first message is transmitted via a direct path; the first message indicating a first sidelink frequency list, the first sidelink frequency list comprising a first frequency, which is used for sidelink communication; and receiving a first synchronization signal from the synchronization reference determined; and transmitting a second synchronization signal; a reception timing for the first synchronization signal being used to determine a transmission timing of the second synchronization signal. By receiving the first message and first synchronization signal, the present application can determine the synchronization reference correctly.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Patent number: 11949511
    Abstract: A first node receives a first signaling; receives a second signaling; and transmits a first bit block in a target radio resource block. A first sub-bit-block and a second sub-bit-block are used to generate the first bit block, the first sub-bit-block being associated with the first signaling, and the second sub-bit-block being associated with the second signaling; the second signaling is used to indicate the target radio resource block from a target radio resource block set, the target radio resource block being a radio resource block comprised in the target radio resource block set; size of the second sub-bit-block is used to determine a reference radio resource block set; the second signaling is used to indicate a first index, and the first index is used jointly with the reference radio resource block set to determine the target radio resource block set, the first index being an integer.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: April 2, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu Wu, Xiaobo Zhang
  • Patent number: 11950272
    Abstract: The present disclosure provides a method and a device in wireless transmission. A User Equipment (UE) first receives a first signaling, and then receives a first radio signal, the first radio signal carrying a first bit block. The first signaling is used for determining a transmission format corresponding to the first radio signal. The transmission format corresponding to the first radio signal is one transmission format in a first format set, and the first format set comprises a first transmission format and a second transmission format. A radio signal corresponding to the first transmission format includes P radio sub-signal(s), each one of the P radio sub-signal(s) carries the first bit block, and the P radio sub-signal(s) is(are) transmitted by a same antenna port group.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: April 2, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 11950289
    Abstract: The disclosure provides a method and a device used in a node for wireless communication. A first node first transmits a first sequence and a first radio signal, at least one of the first sequence or the first radio signal carrying a target identifier, then monitors a first type of information in a first time window, and finally transmits a second sequence and a second radio signal when no feedback is detected for the first sequence and the first radio signal in the first time window; wherein at least one of the second sequence or the second radio signal carries the target identifier. Through the above design, the disclosure realizes re-transmissions of a preamble and information included in a Message A in 2-step random access scenarios, thereby improving the spectrum efficiency and improving the performance of transmission of the Message A in 2-step random access scenarios.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: April 2, 2024
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, Xiaobo Zhang, Lin Yang