Patents Assigned to SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
  • Publication number: 20210068117
    Abstract: The present disclosure provides a method and device in nodes for wireless communication. A first node receives first information; and receives a first signaling. The first information is used for determining K resource blocks; the K resource blocks respectively correspond to K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a reference-signal resource group corresponding to the first resource block. The above method employs information selected by TRP/panel, thus reducing a signaling overhead and delay of beam management.
    Type: Application
    Filed: November 14, 2020
    Publication date: March 4, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20210068122
    Abstract: The present disclosure provides a method and a device in a node for wireless communication. A first node receives M1 first-type reference signals, receives M2 first-type reference signals, and then transmits a first radio signal on a target radio resource. Measurements for the M1 first-type reference signals are used for generating first radio-link quality, and measurements for the M2 first-type reference signals are used for generating second radio-link quality; the first radio-link quality and the second radio-link quality are used for determining the target radio resource and the first radio signal; the target radio resource is one of a first radio resource, a second radio resource or a third radio resource; the first radio resource and the second radio resource correspond to a first index and a second index respectively; the first index is used for determining the M1 first-type reference signals.
    Type: Application
    Filed: August 12, 2020
    Publication date: March 4, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Xiaobo ZHANG
  • Publication number: 20210067293
    Abstract: The present disclosure provides method and device used in UE and base station for wireless communication. A UE receives a first signaling and then operates N radio signals respectively in N time-frequency resource blocks. The first signaling indicates N1 time-frequency resource blocks; the N1 time-frequency resource blocks respectively belong to N1 frequency sub-bands in frequency domain; any of the N time-frequency resource blocks is one of the N1 time-frequency resource blocks, N being a positive integer greater than 1 and no greater than N1; the N radio signals respectively comprise N first-type reference signals, and an antenna port for transmitting each of the N first-type reference signals is associated with a first antenna port.
    Type: Application
    Filed: November 14, 2020
    Publication date: March 4, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Xiaobo ZHANG
  • Publication number: 20210067305
    Abstract: A user equipment transmits a first wireless signal and transmits a second wireless signal; the first wireless signal is generated by a first sequence; the first wireless signal is used to determine a first time interval; the first time interval is a time interval between a first and a second time instant; the first time instant is a starting time instant at which a transmitter of the first wireless signal transmits the first wireless signal; the second time instant is a starting time instant at which a transmitter of the second wireless signal transmits the second wireless signal; the first time instant is earlier than the second time instant; the second wireless signal occupies a first wireless resource; the first wireless resource is one of J candidate wireless resources; the first time interval is used to determine the first wireless resource out of the J candidate wireless resources.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo ZHANG
  • Patent number: 10939443
    Abstract: The present disclosure provides a method and device in User Equipment and a base station for dynamic scheduling. The UE first receives first information; and then receives second information; and operates a first radio signal. The first information comprises Q fields, a first field is used to determine a first antenna port set, and the first field is one field of the Q fields. The first antenna port set comprises a positive integer of antenna port(s), the second information is transmitted by an antenna port within the first antenna port set. The first information and the second information are both dynamically configured. The Q is a positive integer. The operating refers to receiving or transmitting. The second information is determined scheduling information of the first radio signal. The method ensures the robustness of scheduling signaling reception in multi-antenna scenarios, avoids excessive overhead, and improves transmission efficiency.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: March 2, 2021
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 10931306
    Abstract: The disclosure discloses a method and device in UE and a base station for channel coding. A first node first determines a first bit block and then transmits a first radio signal, wherein bits of the first bit block are used to generate bits of a second bit block, a third bit block comprises bits of the second bit block and the first bit block, and the third bit block is used to generate the first radio signal. The first bit block, the second bit block and the third bit block comprise P1, P2 and P3 bits, respectively.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: February 23, 2021
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20210051643
    Abstract: The present disclosure discloses a method and device used in wireless communication node. A first node first receives K1 first-type radio signals, and then transmits a first signaling, receives a second signaling and transmits a first radio signal in sequence; the first signaling is used to indicate K2 first-type radio signal(s) of the K1 first-type radio signals, while the second signaling is used to indicate K3 first-type radio signal(s) of the K1 first-type radio signals; the K3 first-type radio signal(s) is(are) respectively used to determine K3 pathloss(es). By designing a mechanism of interaction between a terminal and a base station, and the channel quality of sidelink detected by the terminal to determine a transmitting power of sidelink, the present disclosure manages to reduce interference to a cellular network while ensuring sidelink performance, thus improving the system's overall performance.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG, Lin YANG
  • Publication number: 20210050965
    Abstract: The present disclosure provides a method and device used in UE and a base station for wireless communications. The UE receives a first signaling; and operates a first radio signal. The first radio signal comprises K first-type sub-signals and K first-type reference signals; the first signaling is used for determining time-frequency resources occupied by the first radio signal; time-domain resources occupied by the K first-type sub-signals are non-orthogonal, and frequency-domain resources occupied by each two of the K first-type reference signals are mutually orthogonal; the K first-type reference signals are respectively used for channel estimation of the K first-type sub-signals, and a reference signal port of each of the K first-type reference signals is associated with a target reference signal port. The above method is advantageous in improving efficiency of PTRSs in multi-TRP/panel transmissions.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Keying WU, Xiaobo ZHANG
  • Publication number: 20210050966
    Abstract: The present disclosure discloses a method and a device in a node for wireless communication. The first node transmits first information; receives second information; transmits a first bit-block set on a first time-frequency-resource block; transmits or drops transmission of a third bit-block set on a third time-frequency-resource block; and receives a second signal on a fourth time-frequency-resource block; the first information is used for indicating that the fourth time-frequency-resource block is associated with the third time-frequency-resource block; the second information indicates that the fourth time-frequency-resource block is associated with the first time-frequency-resource block; the second signal is used for indicating whether a target bit-block set is correctly received; when the first node transmits the third bit-block set on the third time-frequency-resource block, the target bit-block set is the third bit-block set, otherwise the target bit-block set is the first bit-block set.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Jin LIU, Keying WU, Xiaobo ZHANG
  • Patent number: 10925020
    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: May 24, 2019
    Date of Patent: February 16, 2021
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20210045113
    Abstract: The present disclosure provides a method and a device used for wireless communication in a base station and a User Equipment (UE). The UE receives a first radio signal, wherein the first radio signal is transmitted within a first time unit, a first bit block is used for generating the first radio signal, and the first radio signal comprises G multicarrier symbols. As for any one given multicarrier symbol of the G multicarrier symbols, the multi-antenna related receiving for the given multicarrier symbol is related to the relative position of a time-domain resource occupied by the given multicarrier symbol with respect to a first time point in time domain. The first time point is one time point within the first time unit. The present disclosure increases the dynamic of the multi-antenna related receiving.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo ZHANG
  • Publication number: 20210045079
    Abstract: The present disclosure discloses a method and device used in wireless communication node. A first node receives first information and second information via an air interface, the first information indicating a first time offset value, and the second information indicating a first time-domain resource relative to a first instant of time; the first instant of time is associated with a first time unit. By designing the first time offset value in the present disclosure, whenever a terminal A expects a terminal B to transmit, the terminal B is able to transmit according to a timing obtained by itself and there is no need for multiple interactions between these terminals to acquire a timing advance (TA), thus improving radio signal transmission efficiency on sidelink in IOT and V2X systems and the system's overall performance.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG, Zheng LIU
  • Publication number: 20210045094
    Abstract: The present disclosure provides a method and device used in wireless communication nodes. A first node receives a first radio signal; and transmits a first-type signaling on a first radio resource, the first-type signaling being used for indicating that the first radio signal is correctly received; or, transmits a second-type signaling on a second radio resource, the second-type signaling being used for indicating that the first radio signal is not correctly received; herein, time-domain resources occupied by the first radio resource and time-domain resource occupied by the second radio resources are orthogonal. Under Groupcast communication mode, the present disclosure transmits a retransmission signal to a UE that not correctly receives a radio signal through a UE that correctly receives a radio signal in the group, so as to achieve the purpose of improving signal received quality and resource utilization efficiency.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Xiaobo ZHANG, Lin YANG
  • Publication number: 20210044379
    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 and a first radio signal, and transmits first information; only X1 bit(s) in a first bit block is(are) used for generating the first radio signal, the first bit block is obtained as an output of channel coding of a first code block; the first signaling is used for determining that the X1 bit(s) cannot be used for decoding of the first code block with combining when channel decoding for the X1 bit(s) fails. Through the design of the first information, the disclosure implements the update of a state of buffer occupation of the UE or a state of channel decoding, to facilitate a base station to adjust a transmission policy in real time, thereby improving overall performances.
    Type: Application
    Filed: September 28, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG, Lin YANG
  • Publication number: 20210045111
    Abstract: The present disclosure provides a method and a device in a node for wireless communications. A first node transmits a first radio signal on a first radio resource; herein, the first radio signal comprises a first signaling, the first signaling comprising first information; whether the first signaling comprises second information is related to the first information, and the first information in the first signaling indicates whether the first node is in coverage; or, whether the first signaling comprises second information is related to the first information, the first information in the first signaling indicates Q1 radio resource(s), and the first radio resource is one of the Q1 radio resource(s), Q1 being a positive integer. The flexible indication of present disclosure according to synchronization priority conditions on different radio resources, improving utilization efficiency of signalings and being easy to be forward compatible.
    Type: Application
    Filed: September 29, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Xiaobo ZHANG, Lin YANG
  • Publication number: 20210045002
    Abstract: The present disclosure provides a method and a device in node used for wireless communication. The communication node first performs X first-type measurement(s) in a target time-frequency resource pool, and the X first-type measurement(s) is (are respectively) used for acquiring X first-type measurement value(s); performs a target second-type measurement, the target second-type measurement being used for acquiring a second-type measurement value; and then transmits a first radio signal. Herein, the X first-type measurement value(s) is (are) used for the target second-type measurement, and the target time-frequency resource pool is one of Q alternative time-frequency resource pools related to a Subcarrier Spacing (SCS) of subcarriers occupied by the first radio signal; there exist two of the Q alternative time-frequency resource pools that comprise different time-frequency resources.
    Type: Application
    Filed: October 28, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Xiaobo ZHANG, Lin YANG
  • Patent number: 10912081
    Abstract: The present disclosure provides a method and a device used for wireless communication in a base station and a User Equipment (UE). The UE receives a first radio signal, wherein the first radio signal is transmitted within a first time unit, a first bit block is used for generating the first radio signal, and the first radio signal comprises G multicarrier symbols. As for any one given multicarrier symbol of the G multicarrier symbols, the multi-antenna related receiving for the given multicarrier symbol is related to the relative position of a time-domain resource occupied by the given multicarrier symbol with respect to a first time point in time domain. The first time point is one time point within the first time unit. The present disclosure increases the dynamic of the multi-antenna related receiving.
    Type: Grant
    Filed: May 6, 2018
    Date of Patent: February 2, 2021
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20210029695
    Abstract: A method and a device in a communication node for wireless communications are disclosed in the present disclosure. The communication node first receives a first signaling; and then receives a first radio signal in K1 slots and receives a second radio signal in K2 slots; the first signaling is used to determine the K1 and the K2; a first TB is used to generate the first radio signal, while a second TB is used to generate the second radio signal, the first TB comprising a positive integer number of bit(s), and the second TB comprising a positive integer number of bit(s); the K1 slots are divided into X1 slot groups, while the K2 slots are divided into X2 slot groups, and positions of the X1 slot groups and the X2 slot groups are interleaved in time domain. The present disclosure can reduce power consumption and improve coverage performance.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 28, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng LIU, Xiaobo ZHANG, Lin YANG
  • Publication number: 20210029685
    Abstract: The disclosure provides a method and device in communication node for wireless communications. The communication node receives first information and second information, transmits a first signaling, and transmits a first signal; the first information is used for determining first power, the second information is used for determining a reference pathloss; wherein the first signaling is used for indicating a target distance and time-frequency resources occupied by the first signal; the reference pathloss corresponds to a reference distance, the reference distance being greater than 0; a ratio between the target distance and the reference distance as well as the reference pathloss are used together for determining a target pathloss; the target pathloss is used for determining second power, and a smaller value between the first power and the second power is used for determining transmitting power of the first signal. The present disclosure can effectively support power control for Groupcast.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 28, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng LIU, Xiaobo ZHANG
  • Publication number: 20210029673
    Abstract: The present disclosure provides a method and a device in a UE and a base station for wireless communications. A UE transmits a first characteristic radio signal in a first radio resource, a first sequence being used for generating the first characteristic radio signal; transmits a second characteristic radio signal in a second radio resource, a second sequence being used for generating the second characteristic radio signal; and transmits a first radio signal in a third radio resource. Herein, parameters of a channel that the first radio signal goes through are related to parameters of a channel that the second characteristic radio signal goes through; a first ID is used for determining at least one of the second sequence or the first radio signal. The presents disclosure can reduce conflicting access to the UE, thereby enhancing the capacity of access to the UE.
    Type: Application
    Filed: September 2, 2020
    Publication date: January 28, 2021
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo ZHANG