Patents Assigned to BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
  • Patent number: 11974333
    Abstract: Provided is a method and apparatus for configuring random access resource and a base station. The method includes: configuring a physical uplink shared channel occasion (PO) resource pool required for data transmission and associated with preambles transmitted on all random access channel occasions (RO) in each same time domain or all ROs in each same random access channel (RACH) slot in each RACH period, the PO resource pool includes one or more data transmission resource POs; performing consecutive mapping between preambles on each RO and POs in the PO resource pool; and in response to remaining POs in the PO resource pool being insufficient to map all preambles transmitted on the ROs, configuring the remaining POs as invalid POs to which preambles are no longer mapped.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: April 30, 2024
    Assignee: Beijing Unisoc Communications Technology Co., Ltd.
    Inventors: Xinghang Gao, Zhikun Xu
  • Patent number: 11962423
    Abstract: UE, base station and data transmission method and apparatus. The method includes: in an unlicensed frequency band of 5G NR, a UE transmitting uplink data and associated UCI to a base station through AUL transmission; the base station identifying the UE through UE specific DMRS; the base station decoding the UCI; if the UCI is successfully decoded, the base station decoding the uplink data; based on whether a transport block or CBG is successfully decoded, the base station transmitting DFI to the UE, the DFI including first information used to indicate a location of the successfully decoded CBG; the UE receiving the DFI; the UE using the first information to determine HARQ-ID of a transport block where the CBG that needs to be retransmitted is located, and a sequence number of the CBG in a HARQ of the transport block where the CBG is located; the UE performing scheduling-free retransmission.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: April 16, 2024
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Sa Zhang
  • Patent number: 11950274
    Abstract: The present disclosure relates to a method for scheduling a logical channel, a method for generating configuration information and a device. The method for scheduling a logical channel comprises: determining, according to logical channel configuration information, a coverage area of each logical channel, the configuration information comprising coverage area information of the logical channel; selecting, according to a transmission distance of a grant, a logical channel having a coverage area matching the transmission distance; and allocating a resource to the selected logical channel, and completing scheduling. The method for generating configuration information comprises: generating configuration information according to service quality information of a service, the configuration information comprising coverage area information of each logical channel; and sending the configuration information to user equipment.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 2, 2024
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Huifang Fan, Lifeng Han, Xiangxin Gu
  • Patent number: 11770718
    Abstract: An unlicensed channel sharing method and device, a storage medium, a terminal and a base station, the sharing method comprising: determining channel sharing information, the channel sharing information comprising time slot specification information which may allow a network to access and occupy a channel occupation time of an unlicensed channel; and sending the channel sharing information to the network. By means of employing the technical solution of the present invention, a UE may notify a base station of an unlicensed channel occupation duration so that the UE effectively carries out channel sharing with the base station.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: September 26, 2023
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Huan Zhou, Huayu Zhou
  • Publication number: 20230275719
    Abstract: Uplink channel measurement method and apparatus for multi-TRP scene, storage medium, terminal, and base station are provided.
    Type: Application
    Filed: August 5, 2021
    Publication date: August 31, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Dawei MA
  • Patent number: 11683811
    Abstract: Radio communication method and device with an alterable TTI are provided. The method includes: blindly detecting a primary physical downlink link control channel to acquire first downlink control information which includes configuration information and an exit frame number of a first target TTI; scheduling the first target TTI based on the first downlink control information, and performing data transmission with a base station; and when a frame number of transmitted data exceeds the exit frame number, blindly detecting the primary physical downlink link control channel to schedule a second target TTI indicated by the primary physical downlink link control channel. Solutions in embodiments of the present disclosure may enable to use various TTI simply and efficiently in radio communication, and are particularly adaptive to the feature of TCP service.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: June 20, 2023
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Yang Liu
  • Publication number: 20230170978
    Abstract: A beam determination method and device for data transmission, a storage medium, a User Equipment (UE), and a base station are provided. The method includes: determining a target Synchronization Signal and PBCH block (SSB) used for response to data transmission; and transmitting uplink data to a base station, and indicating the target SSB at transmission of the uplink data, so that the base station uses the target SSB to transmit response information in response to the uplink data, wherein the target SSB and a beam are in one-to-one correspondence.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 1, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Xinghang GAO
  • Publication number: 20230156669
    Abstract: method and apparatus for indicating a sidelink coordinated resource, a storage medium, and a terminal are provided. The method includes: receiving a resource coordination request from at least one requesting User Equipment (UE); determining a recommended/non-recommended resource based on the resource coordination request; and transmitting information of the recommended/non-recommended resource to the at least one requesting UE, wherein the information of the recommended/non-recommended resource is carried by Sidelink Control Information (SCI).
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Applicant: Beijing UNISOC Communications Technology Co., Ltd.
    Inventor: Huan ZHOU
  • Patent number: 11652588
    Abstract: Aperiodic ZP CSI-RS resource set determination and configuration methods and devices, a storage medium, a user equipment, and a network end. The determination method comprises: receiving a PDCCH, and the PDCCH scheduling K time slots for transmitting a PDSCH; extracting from the PDCCH a preset number of bits of indication information of an aperiodic ZP CSI-RS resource set; extracting ?log2 J? bits from the indication information, and determining a selected aperiodic ZP CSI-RS resource set according to an extraction result; and determining, according to a comparison result between the number of bits of the indication information and ?log2 J?, the position of a ZP CSI-RS resource indicated by the selected aperiodic ZP CSI-RS resource set in the K time slots. The solution of the invention enables UE to accurately determine a selected aperiodic ZP CSI-RS resource, thereby improving the accuracy of decoding.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: May 16, 2023
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Dawei Ma
  • Publication number: 20230140021
    Abstract: A method and an apparatus for determining a PDSCH reception beam, a storage medium, and a terminal are provided. The method includes: receiving one or more PDCCHs and determining a to-be-received PDSCH, wherein the to-be-received PDSCH is repeatedly scheduled by the one or more PDCCHs; determining a duration between a last symbol of the one or more PDCCHs which schedule the to-be-received PDSCH and a first symbol of the to-be-received PDSCH; using a first reception beam to receive the to-be-received PDSCH based on the duration being shorter than a preset duration; and using a second reception beam to receive the to-be-received PDSCH based on the duration being longer than or equal to the preset duration, wherein the first reception beam and the second reception beam are the same or different.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 4, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Dawei MA
  • Publication number: 20230090792
    Abstract: Disclosed are a method and apparatus for determining an occasion of an HARQ-ACK feedback. The method includes: in response to one DCI scheduling PDSCHs of more than one cell, taking a timeslot in which an end occasion of a PDSCH of one of the scheduled cells is located as a reference timeslot, calculating a timeslot in which an occasion of an HARQ-ACK feedback is located according to the following equation: the timeslot in which the occasion of the HARQ-ACK feedback is located=n+k, where n represents the reference timeslot, and k represents a timeslot offset, indicated in the DCI, between the timeslot in which the occasion of the HARQ-ACK feedback is located and the reference timeslot.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 23, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Huan ZHOU
  • Publication number: 20230071002
    Abstract: A method and apparatus for determining CPU occupancy time for a multiple PDCCH repeated transmission scenario, a storage medium, and a terminal are provided. The method includes: in response to receiving a PDCCH currently, determining whether a time domain position of a last PDCCH can be determined based on the currently received PDCCH and configuration information for a plurality of PDCCHs, wherein the currently received PDCCH and the last PDCCH belong to the plurality of PDCCHs, and the configuration information for the plurality of PDCCHs is used to configure candidate resource positions of each of the plurality of PDCCHs; and based on that the time domain position of the last PDCCH can be determined, determining the CPU occupancy time based on the time domain position of the last PDCCH and a time domain position of a PUSCH scheduled by the currently received PDCCH.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 9, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Dawei MA
  • Publication number: 20230030623
    Abstract: A method and a device for notifying channel occupation time, a base station and a user equipment. The method which applies to a base station includes: in an unlicensed spectrum, performing LBT and channel access; and when a channel is accessed successfully, sending a time slot format information which indicates one or more time slots of one or more cells to a UE through a PDCCH. The method which applies to a user equipment includes: in an unlicensed spectrum, receiving time slot format information, sent by a base station via a PDCCH after channel access is successfully completed, indicating one or more time slots of one or more cells; acquiring channel occupation information and channel release information according to the time slot format information; and according to the channel occupation information and the channel release information, performing downlink reception, uplink transmission or channel access in symbols of each time slot.
    Type: Application
    Filed: September 27, 2022
    Publication date: February 2, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Huan ZHOU
  • Publication number: 20230026999
    Abstract: An uplink data transmission method, a user equipment and a readable storage medium are provided. The method includes: receiving uplink scheduling information, wherein the uplink scheduling information comprises indication information of a Transmitted Precoding Matrix Indicator (TPMI) corresponding to each subband used for transmitting the uplink data, and the indication information of the TPMI corresponding to each subband corresponds to a same Rank Indicator (RI) information; determining a precoding matrix corresponding to each subband based on the indication information of the TPMI corresponding to each subband, respectively; and precoding the uplink data to be transmitted on each subband based on the precoding matrix corresponding to each subband, respectively, and transmitting the uplink data.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 26, 2023
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Dawei MA
  • Patent number: 11552773
    Abstract: An uplink channel resource indication method, an uplink channel resource determination method, a base station, a terminal and a medium are pr. The uplink channel resource indication method includes: indicating frequency domain resource information corresponding to N subbands contained in a current carrier to a UE through high-layer signaling, where N>1; and indicating one or more subbands for uplink data transmission to the UE through downlink control information, so that the UE uses a frequency domain resource corresponding to the one or more subbands for uplink data transmission to transmit uplink data based on frequency domain resource information corresponding to the one or more subbands for uplink data transmission. Resource utilization and performance of a NR network may be improved.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 10, 2023
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Huan Zhou
  • Patent number: 11546081
    Abstract: A method and an apparatus for configuring an uplink time-frequency resource set, and a method and an apparatus for receiving an uplink time-frequency resource set. The configuration method includes: configuring at least one uplink time-frequency resource set for a user configured with an uplink transmission multiplexing mode, wherein the uplink time-frequency resource set includes time-frequency resource units on which the user performs rate matching; and transmitting one or more indication groups to the user to indicate at least one of the uplink time-frequency resource sets, wherein each uplink time-frequency resource set is indicated by at least one of the indication groups.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: January 3, 2023
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Xin Qu, Su Huang, Huan Zhou
  • Publication number: 20220400040
    Abstract: A signal transmitting method and apparatus, a storage medium, and a user terminal are provided. The method includes: receiving a network configuration information, wherein the network configuration information at least comprises a position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol occupied by the RS information; and determining the RS information based on the position of the OFDM symbol occupied by the RS information.
    Type: Application
    Filed: April 27, 2020
    Publication date: December 15, 2022
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Hualei WANG
  • Publication number: 20220385426
    Abstract: A method and apparatus for mapping a sequence of a common reference signal, a storage medium, and a terminal are provided. The method includes: determining a reference point for mapping the sequence of the common reference signal; and mapping the sequence of the common reference signal based on the reference point for obtaining data of the common reference signal.
    Type: Application
    Filed: October 22, 2020
    Publication date: December 1, 2022
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Hualei WANG, Huan ZHOU
  • Patent number: 11477822
    Abstract: A method and a device for notifying channel occupation time, a base station and a user equipment. The method which applies to a base station includes: in an unlicensed spectrum, performing LBT and channel access; and when a channel is accessed successfully, sending a time slot format information which indicates one or more time slots of one or more cells to a UE through a PDCCH. The method which applies to a user equipment includes: in an unlicensed spectrum, receiving time slot format information, sent by a base station via a PDCCH after channel access is successfully completed, indicating one or more time slots of one or more cells; acquiring channel occupation information and channel release information according to the time slot format information; and according to the channel occupation information and the channel release information, performing downlink reception, uplink transmission or channel access in symbols of each time slot.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: October 18, 2022
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Huan Zhou
  • Patent number: 11470585
    Abstract: A method and a device for determining an uplink multiplexed time-frequency resource, a storage medium, and a user equipment. The method may include: acquiring indication information of the uplink multiplexed time-frequency resource from a base station, wherein the indication information comprises resource indication information of a frequency domain resource in the uplink multiplexed time-frequency resource; determining resource information of the frequency domain resource based on the resource indication information; and determining resource information of a time domain resource in the uplink multiplexed time-frequency resource at least based on a time domain position of the last symbol of the indication information. Resource information of a time domain resource may be determined based on less information, which facilitates saving signaling overheads of indication information of uplink multiplexed time-frequency resources.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 11, 2022
    Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Xin Qu, Zhikun Xu