Patents by Inventor Sa ZHANG

Sa 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).

  • Publication number: 20220304041
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method includes receiving, from a base station, a message including configuration information of a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) feedback mode for a multicast semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) without physical downlink control channel (PDCCH) scheduling, receiving, from the base station, downlink control information (DCI) for activation of the multicast SPS PDSCH without PDCCH scheduling, receiving, from the base station, the multicast SPS PDSCH without PDCCH scheduling based on the activation of the multicast SPS PDSCH without PDCCH scheduling, and transmitting, to the base station, HARQ-ACK information for reception of the multicast SPS PDSCH without PDCCH based on the HARQ-ACK feedback mode for the multicast SPS PDSCH without PDCCH scheduling.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Inventors: Jingxing FU, Feifei SUN, Yi WANG, Sa ZHANG
  • Publication number: 20220248436
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present application provide a method and device for transmitting Hybrid Automatic Repeat request-Acknowledgement (HARQ-ACK).
    Type: Application
    Filed: November 18, 2020
    Publication date: August 4, 2022
    Inventors: Sa ZHANG, Yi WANG, Feifei SUN, Jingxing FU, Miao ZHOU
  • Publication number: 20220231815
    Abstract: A method and a corresponding apparatus for performing uplink transmission in a wireless communication system are disclosed. The method comprises: based on at least one of the information indicating uplink transmission resources, acquiring the number of resource elements REs used for determining a PUSCH transmission; determining a transport block size TBS for the uplink transmission based on the number of REs; and performing the uplink transmission based on the determined TBS. Wherein, a PUSCH transmission occupies m time unit for transmission, and the rate matching and RE mapping of the PUSCH are performed on all resources occupied in m time unit.
    Type: Application
    Filed: January 14, 2022
    Publication date: July 21, 2022
    Inventors: Feifei SUN, Qi XIONG, Yi WANG, Sa ZHANG, Jingxing FU, Bin YU
  • Publication number: 20220225380
    Abstract: The disclosure provides a method performed by a second type of transceiving node in a wireless communication system, including receiving a first type of data and/or a first type of control signaling from a first type of transceiving node, and transmitting uplink control information (UCI) to the first type of transceiving node, wherein, if multiple physical uplink control channels (PUCCHs) with UCIs of different priorities overlap in a time domain, the multiple PUCCHs are multiplexed and/or prioritized.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 14, 2022
    Inventors: Sa ZHANG, Feifei SUN, Jingxing FU, Yi WANG
  • Publication number: 20220201724
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a second type of transceiver node in a wireless communication system is provided, comprising: receiving a first type of data and/or a first type of control signaling from a first type of transceiver node; determining an HARQ-ACK codebook and a time unit for transmitting the HARQ-ACK codebook based on the first type of data and/or the first type of control signaling; and transmitting the HARQ-ACK codebook to the first type of transceiver node in the determined time unit.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 23, 2022
    Inventors: Sa ZHANG, Yi WANG, Feifei SUN, Jingxing FU
  • Publication number: 20220182188
    Abstract: A method and device for transmitting hybrid automatic retransmission request acknowledgement (HARQ-ACK) information are provided. The method includes receiving control information from a base station, receiving a plurality of pieces of downlink data from the base station, based on the control information, determining, for the plurality of pieces of downlink data, a resource for transmitting HARQ-ACK information, based on the control information, and transmitting the HARQ-ACK information to the base station on the determined resource, wherein determining the resource for transmitting the HARQ-ACK information includes determining, for each of the plurality of pieces of downlink data, a first resource or resource pair for transmitting the HARQ-ACK information, or determining, for the plurality of pieces of downlink data, a second resource or resource pair for transmitting the HARQ-ACK information.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 9, 2022
    Inventors: Jingxing FU, Feifei SUN, Sa ZHANG
  • Publication number: 20220140958
    Abstract: The present disclosure relates to the technical field of communications, particularly to a feedback information transmission method. The method comprises: sending, by a first terminal, a sidelink hybrid auto repeat request ACK (HARQ-ACK) codebook via a physical uplink channel within a target time unit for sending sidelink HARQ-ACK information within the target time unit, the sidelink HARQ-ACK codebook including sidelink HARQ-ACK information corresponding to at least one sidelink data.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: Huan ZHOU, Sa ZHANG, Hualei WANG
  • Publication number: 20220124767
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to a method and an apparatus for transmitting hybrid automatic retransmission request acknowledgement (HARQ-ACK) feedback information.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 21, 2022
    Inventors: Jingxing FU, Feifei SUN, Sa ZHANG
  • Publication number: 20220124775
    Abstract: A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a user equipment (UE) includes: receiving downlink data and/or downlink control signaling from a base station; determining uplink data and/or uplink control signaling, an uplink time unit and/or an uplink physical channel for transmitting the uplink data and/or the uplink control signaling based on the downlink data and/or the downlink control signaling; and transmitting the uplink data and/or uplink control signaling to the base station on the determined uplink time unit and/or uplink physical channel.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 21, 2022
    Inventors: Sa ZHANG, Yi WANG, Jingxing FU, Feifei SUN
  • Publication number: 20220116962
    Abstract: The present disclosure relates to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th generation (4G) communication system such as long term evolution (LTE). A method performed by the terminal in a wireless communication system is provided. The method includes receiving downlink signal including at least one of downlink data or downlink control information (DCI), determining an uplink signal to be transmitted based on the downlink signal, determining at least one of a time unit or an uplink physical channel for transmitting the uplink signal, the uplink physical channel including at least one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH), and transmitting the uplink signal in the determined at least one of the time unit or the uplink physical channel.
    Type: Application
    Filed: October 14, 2021
    Publication date: April 14, 2022
    Inventors: Sa ZHANG, Yi WANG, Jingxing FU, Feifei SUN
  • Publication number: 20220078827
    Abstract: Downlink data scheduling HARQ-ACK codebook feedback and generation methods and devices, and a medium are provided. The method comprises: determining whether a first HARQ-ACK codebook transmitted by a user terminal is detected; when the first HARQ-ACK codebook is not detected, delivering DCI for triggering retransmission of the first HARQ-ACK codebook to the user terminal, wherein the DCI for triggering retransmission of the first HARQ-ACK codebook comprises a first trigger group number field, the first trigger group number field is the same as a first scheduling group number field, the first trigger group number field is used for indicating a number of the first trigger group, and the first scheduling group number field is used for indicating a number of the first scheduling group; and receiving the first HARQ-ACK codebook retransmitted by the user terminal. The solution can indicate HARQ-ACK codebook feedback of a discontinuous downlink data scheduling group.
    Type: Application
    Filed: November 20, 2019
    Publication date: March 10, 2022
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Sa ZHANG, Huan ZHOU, Xingya SHEN
  • Publication number: 20220039029
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to mobile communication technology, and in particular, to a method for uplink transmission and apparatus thereof.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 3, 2022
    Inventors: Sa Zhang, Yi Wang, Jingxing Fu, Feifei Sun
  • Publication number: 20220039088
    Abstract: A method and apparatus are provided for transmitting and receiving control information. A method performed by a UE includes receiving, from a base station, DCI or a higher layer signaling; when first priority UCI and second priority UCI are transmitted in a same physical uplink channel, separately encoding the first priority UCI and the second priority UCI, based on a first number of bits of the first priority UCI and a second number of bits of the second priority UCI; and transmitting, based on the DCI or the higher layer signaling, the encoded first priority UCI and the second priority UCI, to the base station, on the same physical uplink channel.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 3, 2022
    Inventors: Sa ZHANG, Yi Wang, Jingxing Fu, Feifei Sun
  • Publication number: 20210359796
    Abstract: Method for generating a semi-static HARQ-ACK codebook, user terminal, and readable storage medium. The method comprises: receiving a PDSCH transmitted by a base station and a HARQ-ACK feedback time, the PDSCH transmitted by the base station being sent after the base station detects the success of LBT; generating a semi-static HARQ-ACK codebook during a current channel occupation duration according to the PDSCH transmitted by the base station and the HARQ-ACK feedback time, the semi-static HARQ-ACK codebook comprising a first sub-codebook and a second sub-codebook, wherein the first sub-codebook is used for the feedback of a HARQ-ACK, indicated in the HARQ-ACK feedback time, corresponding to the PDSCH for the last X timeslots in the previous channel occupation duration, and the second sub-codebook is used for the feedback of a HARQ-ACK, indicated in the HARQ-ACK feedback time, corresponding to a PDSCH for the time slot in the current channel occupation duration.
    Type: Application
    Filed: June 26, 2019
    Publication date: November 18, 2021
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Sa ZHANG
  • Publication number: 20210307004
    Abstract: A service conflict processing method, a user terminal, and a computer-readable storage medium. The method comprises: determining whether UCI of an eMBB service currently being transmitted collides with data or UCI of an URLLC service with respect to transmission time, wherein the UCI of the eMBB service comprises HARQ-ACK information; and if the UCI of the eMBB service has collided with the data or the UCI of the URLLC service with respect to transmission time, delaying the transmission of the UCI of the eMBB service. The solution can be employed to improve spectral efficiency of the system.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 30, 2021
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventors: Sa ZHANG, Huan ZHOU
  • Publication number: 20210242980
    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: Application
    Filed: July 19, 2019
    Publication date: August 5, 2021
    Applicant: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
    Inventor: Sa ZHANG
  • Publication number: 20190222366
    Abstract: Method for generating a HARQ codebook, a user equipment and a medium are provided. The method includes: receiving PDSCHs each of which includes at least one TB; and to serving cells which are configured with CBG-based HARQ feedback, generating a HARQ codebook corresponding to the PDSCHs using N bits per PDSCH, wherein N is a maximum value of numbers of CBGs corresponding to the PDSCHs. Bit overhead of the CBG-based HARQ feedback may be reduced, and resource utilization may be improved.
    Type: Application
    Filed: November 7, 2018
    Publication date: July 18, 2019
    Inventors: Sa ZHANG, Huan ZHOU