Patents by Inventor Xuejuan Gao

Xuejuan Gao 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).

  • Method of generating uplink signal sequence, user equipment, base station and computer-readable storage medium
    Patent number: 10911283
    Abstract: A method of generating an uplink signal sequence, a user equipment, a base station and a computer-readable storage medium are provided. The method includes: generating an uplink signal sequence ru,v(?)(n) based on ru,v(?)(n)=ej?nru,v(n), 0?n<12, where a is configured to distinguish a terminal, an uplink signal base sequence ru,v(n)=ej?(n)?/4, where u represents a group number, and v represents an intra-group base sequence number, ?(n)?/4 represents a phase of a base sequence; performing a full traversal of multiple possible phases of the phase ?(n)?/4 on the uplink signal sequence with a length of 12, and selecting a predetermined number of uplink signal sequences with a lowest peak-to-average power ratio and a lowest cross-correlation characteristic.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: February 2, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xiangli Lin, Xuejuan Gao, Tony Ekpenyong
  • DATA TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE
    Publication number: 20210021386
    Abstract: A data transmission method, a terminal device, and a network device are provided. The data transmission method includes: receiving a PDSCH; and mapping HARQ-ACK feedback information corresponding to a PDSCH with repetition transmissions at least to a first transmission position for transmission, where the first transmission position is a position corresponding to a last transmission of the repetition transmissions of the PDSCH in a semi-static HARQ-ACK codebook.
    Type: Application
    Filed: January 31, 2019
    Publication date: January 21, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • CHANNEL QUALITY INDICATOR SENDING METHOD, AND DATA SENDING METHOD AND DEVICE
    Publication number: 20210021316
    Abstract: Disclosed are a channel quality indication (CQI) sending method, and a data sending method and device, for use to solve the problem of low data transmission efficiency. The CQI sending method includes receiving indication information sent by a base station and used for indicating CQI transmission, the indication information comprising at least a target block error ratio for measurement feedback, a data repeated transmission frequency, and an CSI measurement resource and determining a CQI according to the target block error rate for measurement feedback, the data repeated transmission frequency, and the CSI measurement resource, and sending the CQI to the base station.
    Type: Application
    Filed: March 21, 2019
    Publication date: January 21, 2021
    Inventors: Wei BAI, Xuejuan GAO, Yanping XING
  • Data transmission method, terminal and base station of processing data transmission in different TTI lengths
    Patent number: 10897761
    Abstract: A data transmission method, a terminal and a base station are provided. The data transmission method includes: determining, by a terminal, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed in a same sub-frame based on capability reported by the terminal or a predefined rule, the data including a shared channel and/or a control channel; wherein the first TTI length is less than the second TTI length.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: January 19, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Fangchen Cheng, Xueming Pan
  • Data transmission method and device
    Patent number: 10897337
    Abstract: Disclosed in the present application are a data transmission method and device.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 19, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xiangli Lin, Ekpenyong Tony, Xuejuan Gao
  • UPLINK CONTROL INFORMATION TRANSMITTING METHOD, UPLINK CONTROL INFORMATION RECEIVING METHOD, TERMINAL, BASE STATION AND APPARATUS
    Publication number: 20210014854
    Abstract: Provided are an uplink control information transmitting method and receiving method, a terminal, a base station and an apparatus. The transmitting method includes: determining a first transmission resource for first uplink control information and second transmission resources for second uplink control information; and when the first transmission resource overlaps with at least two of the second transmission resources in the time domain, transmitting the first uplink control information and at least one of the second uplink control information simultaneously on the first transmission resource; wherein the at least one of the second uplink control information is the uplink control information carried on the at least two second transmission resources that overlap with the first transmission resource in the time domain.
    Type: Application
    Filed: February 27, 2019
    Publication date: January 14, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • TRANSMISSION METHOD AND DEVICE
    Publication number: 20200404666
    Abstract: The disclosure provides a transmission method and device. The transmission method includes: receiving, by a user equipment, configuration information for indicating whether transmission of uplink control information on a first physical uplink shared channel is supported; and transmitting, by the user equipment, the first physical uplink shared channel and/or the uplink control information based on the configuration information.
    Type: Application
    Filed: November 2, 2018
    Publication date: December 24, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan GAO, Tony EKPENYONG
  • DATA TRANSMISSION METHOD, TERMINAL AND BASE STATION
    Publication number: 20200404694
    Abstract: A data transmission method, a terminal and a base station are provided. The method includes: receiving a downlink control channel, and indication information for indicating a division of uplink resources and downlink resources in a time unit; determining uplink resources and/or downlink resources in a target time unit corresponding to the downlink control channel, according to the indication information, where the target time unit is the time unit in which a target transmission corresponding to the downlink control channel is located; and determining time field resources of the target transmission corresponding to the downlink control channel in the uplink resources or the downlink resources, and performing the target transmission in the time field resources.
    Type: Application
    Filed: February 7, 2018
    Publication date: December 24, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan GAO, Xueming PAN
  • METHOD AND APPARATUS OF DETERMINING CAP OF TRANSMISSION RESOURCES AVAILABLE FOR CONTROL INFORMATION AND COMMUNICATION DEVICE
    Publication number: 20200404649
    Abstract: Provided are a method and an apparatus of determining a cap of transmission resources available for control information and a communication device. The method of determining a cap of transmission resources available for control information includes: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a PUSCH.
    Type: Application
    Filed: December 25, 2018
    Publication date: December 24, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Qianqian SI, Xuejuan GAO
  • Method and device for transmitting and receiving feedback information of physical uplink shared channel
    Patent number: 10873421
    Abstract: The invention relates to the field of wireless communication technology, and in particular, to a method and device for transmitting and receiving feedback information, resolving a problem of providing ACK/NACK feedback of a physical uplink shared channel (PUSCH) transmission in an uplink pilot time slot (UpPTS). In one embodiment of the invention, the method comprises: a terminal transmits, in a special subframe n, PUSCH data, and receive, in a subframe (n+kPHICH), physical hybrid-ARQ indicator channel (PHICH) data corresponding to the PUSCH data, wherein a PHICH is used to carry feedback information of the PUSCH data; and a network apparatus receives, in the special subframe n, the PUSCH data, and transmits, in the subframe (n+kPHICH), the PHICH data corresponding to the PUSCH data. Therefore, the embodiment implements transmission of ACK/NACK of PUSCH data in an UpPTS.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: December 22, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Xueming Pan
  • METHOD AND DEVICE FOR DETERMINING INFORMATION DOMAIN VALUE IN DCI
    Publication number: 20200374884
    Abstract: The present application relates to the field of communications, and disclosed are a method and device for determining an information domain value in a DCI. The method and device are used for reducing HARQ feedback overheads, and the method comprises during HARQ feedback, determining a value set indicated by a timing relationship in a fallback DCI (equivalent to a format 1_0 of a DCI) according to a value set indicated by a timing relationship in a non-fallback DCI (equivalent to a format 1-1 of a DCI), to overcome the problem of increasing a codebook caused by different value ranges indicated by the timing relationships in the fallback DCI and in the non-fallback DCI, so that the HARQ feedback overheads are effectively reduced, thus the system running load is reduced, and the system performance is effectively ensured.
    Type: Application
    Filed: December 18, 2018
    Publication date: November 26, 2020
    Inventors: Yanping XING, Xuejuan GAO
  • DATA TRANSMISSION METHOD AND DEVICE
    Publication number: 20200374070
    Abstract: Disclosed in the present application are a data transmission method and device.
    Type: Application
    Filed: June 26, 2018
    Publication date: November 26, 2020
    Inventors: Xiangli LIN, Ekpenyong TONY, Xuejuan GAO
  • Method and apparatus for transmitting uplink control information
    Patent number: 10849155
    Abstract: The present invention relates to the field of communications, and in particular, to a method and an apparatus for transmitting uplink control information. The method comprises: a terminal determines a resource for transmitting uplink control information, wherein the resource comprises a time domain occupation resource and a frequency domain occupation resource, and duration of the time domain occupation resource is less than 1 ms; and then the terminal transmits the uplink control information on the determined resource. In this way, a solution for uplink control information transmission is provided for the shortened TTI, normal feedback of the uplink control information is supported, and the system performance is ensured.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 24, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Qianqian Si, Xueming Pan, Fang-Chen Cheng
  • CHANNEL STATE INFORMATION TRANSMISSION METHOD, COMMUNICATION DEVICE, AND APPARATUS
    Publication number: 20200366352
    Abstract: A CSI transmission method, a communication device and a device are provided. The CSI transmission method includes: determining a resource available for the transmission of the first part of the CSI on a PUSCH in accordance with a target code rate used by the first part of the CSI; and determining an available resource on the PUSCH other than the resource available for the transmission of the first part of the CSI as a resource available for the transmission of the second part of the CSI on the PUSCH.
    Type: Application
    Filed: November 23, 2018
    Publication date: November 19, 2020
    Inventors: Qianqian SI, Xuejuan GAO
  • PUCCH TRANSMISSION METHOD, USER EQUIPMENT AND DEVICE
    Publication number: 20200366339
    Abstract: Provided are a physical uplink control channel (PUCCH) transmission method, user equipment and device, used to solve the technical problem that there is no clear method or device in existing technology which supports a PUCCH transmission scenario in a new wireless communication system. The PUCCH transmission method comprises: determining an uplink beam used during PUCCH transmission on the basis of a downlink beam used by a physical downlink control channel (PDCCH) and/or a physical downlink shared channel (PDSCH); and carrying out PUCCH transmission using the determined uplink beam.
    Type: Application
    Filed: June 20, 2018
    Publication date: November 19, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan GAO, Ekpenyong TONY
  • INFORMATION TRANSMISSION METHOD, TERMINAL AND NETWORK DEVICE
    Publication number: 20200359374
    Abstract: An information transmission method, a terminal and a network device are provided. The information transmission method includes: determining a plurality of PUCCH resources corresponding to UCI; determining a target PUCCH resource for the UCI transmission from the plurality of PUCCH resources, according to Scheduling Request (SR) states of a plurality of SR configurations; and sending the UCI through the target PUCCH resource.
    Type: Application
    Filed: December 19, 2018
    Publication date: November 12, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan GAO, Tony EKPENYONG
  • Transmission method and apparatus for feedback information of uplink transmission
    Patent number: 10833816
    Abstract: The present invention discloses a transmission method and apparatus for feedback information of uplink transmission. The method comprises: a terminal transmitting a physical uplink shared channel (PUSCH) in a special sub-frame m, where m is an integer; the terminal detecting, subsequent to the special frame m, in a sub-frame comprising downlink transmission resources or in a sub-frame m+k, a downlink control channel using an uplink/downlink control information (DCI) format, where k is a positive integer; and the terminal determining, according to the downlink control channel, whether to again transmit the PUSCH transmitted in the special sub-frame m. accordingly, the present invention provides a transmission solution that transmits PUSCH feedback information in a special sub frame, ensuring that the PUSCH transmitted in the special sub frame can normally obtain ACK/NACK feedback information.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: November 10, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Xueming Pan
  • Downlink control information (DCI) transmission method and device
    Patent number: 10827473
    Abstract: The present invention relates to the technical field of communications, and relates in particular to a downlink control information (DCI) transmission method and device, the DCI transmission method comprising: confirming information used indicating a bit number of a first indication field within DCI, the information comprising high layer signalling configuration information or information for whether to configure an unauthorized member carrier; according to the high layer signalling configuration information or the information for whether to configure an unauthorized member carrier, determining the bit number of the first indication field included in the DCI.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: November 3, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Xueming Pan, Fang-Chen Cheng
  • Uplink transmission method and device
    Patent number: 10827518
    Abstract: An uplink transmission method and an uplink transmission device are provided. The uplink transmission method includes: detecting an UL grant on a target time-domain resource and a target frequency-domain resource in a first time unit, the UL grant being to schedule one or more UEs to perform uplink transmission in a target time unit, a time unit having a predefined length of B1 subframes or B2 symbols, where B1 and B2 are each an integer greater than or equal to 1; acquiring scheduling information for the UE in the target time unit from the UL grant; and performing the uplink transmission on a time-domain resource and a frequency-domain resource scheduled in the target time unit in accordance with the scheduling information.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: November 3, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Fangchen Cheng, Xueming Pan
  • DATA TRANSMISSION METHOD, USER EQUIPMENT, BASE STATION AND STORAGE MEDIUM
    Publication number: 20200344728
    Abstract: The present disclosure provides a data transmission method, a UE, a base station and a storage medium. The method includes: obtaining a slot format indication (SFI) transmitted by a base station; when a transmission direction of a preset transmission resource indicated by the SFI does not meet transmission requirement of downlink semi-persistent scheduling (SPS) transmission, not performing the transmission related to the downlink SPS transmission on the preset transmission resource; and/or, when a transmission direction of a preset transmission resource indicated by the SFI meets transmission requirement of downlink SPS transmission, performing the transmission related to the downlink SPS transmission on the preset transmission resource. The preset transmission resource is a resource for performing transmission related to the downlink SPS transmission.
    Type: Application
    Filed: October 24, 2018
    Publication date: October 29, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan GAO, Tony EKPENYONG