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).

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20200344753
    Abstract: A multi-slot transmission method and a multi-slot transmission device are provided. The multi-slot transmission method includes: determining a value of the quantity of slots in a set of the quantities of slots; and transmitting the value of the quantity of slots to a UE, the value of the quantity of slots being used by the UE to perform a PUCCH transmission and/or a PUSCH transmission within multiple slots.
    Type: Application
    Filed: October 24, 2018
    Publication date: October 29, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • Publication number: 20200344748
    Abstract: A physical uplink control channel transmission method, a terminal, and a network-side device are provided. The method includes: determining a target cyclic shift parameter corresponding to each symbol according to an initial cyclic shift parameter and a random value associated with at least an index of the symbol; sending a physical uplink control channel according to the target cyclic shift parameter.
    Type: Application
    Filed: September 26, 2018
    Publication date: October 29, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • 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
  • Publication number: 20200344789
    Abstract: Disclosed are an uplink control information transmission method and apparatus for guaranteeing that a network side can obtain various types of pieces of uplink control information in a timely manner. The method comprises: determining that the following condition is satisfied: there is an overlap between a transmission time-domain resource of scheduling request (SR) information and a transmission time-domain resource of a first UCI; and depending on whether the SR information is negative SR information or positive SR information, determining the transmission resource for transmitting the first UCI, and transmitting the first UCI on the determined transmission resource, and the determined transmission resource when the SR information is negative SR information is different from the determined transmission resource when the SR information is positive SR information.
    Type: Application
    Filed: November 2, 2018
    Publication date: October 29, 2020
    Inventor: Xuejuan GAO
  • Patent number: 10820279
    Abstract: Disclosed in the present application are a power distribution method and apparatus, used for enabling simultaneous transmission by communication channels using TTI of different lengths by means of controlling the transmission power of the transmission channels respectively using TTI of different lengths to not surpass the permitted maximum transmission power of a device. The method comprises: determining the sum of the transmission powers of an uplink channel using a first TTI length for transmission and of an uplink channel using a second TTI length for transmission in a sub-frame; and when the sum surpasses the permitted maximum transmission power of a device, implementing power distribution according to a predetermined rule, such that the sum does not surpass the permitted maximum transmission power of the device.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 27, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventor: Xuejuan Gao
  • Publication number: 20200337046
    Abstract: Disclosed are a method and apparatus for transmitting uplink control information (UCI), for use in transmission of the UCI when different types of UCI are provided and transmission time domain resources thereof overlap. A method for transmitting the UCI provided in embodiments of the present application comprises: determining first UCI and second UCI to be transmitted, a transmission time domain resource of the first UCI overlapping with that of the second UCI; and transmitting the UCI according to the relative position of the starting transmission time of the first UCI and the second UCI.
    Type: Application
    Filed: December 11, 2018
    Publication date: October 22, 2020
    Inventors: Xuejuan GAO, Ekpenyong TONY
  • Publication number: 20200322928
    Abstract: A transmission method, a terminal and a base station are provided, thereby solving the problem that there is no specific method in the 5G system for distinguishing whether one DCI triggers the transmission of data and control information at the same time or triggers the transmission of control information only. The transmission includes receiving DCI, wherein the DCI comprises indication information of N bits, the indication information of N bits is used to indicate whether the DCI triggers transmission of data, and N is an integer greater than or equal to 1; and performing transmission based on the indication information in the DCI.
    Type: Application
    Filed: November 20, 2018
    Publication date: October 8, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Qianqian SI, Xuejuan GAO
  • Patent number: 10798686
    Abstract: The present application provides a frequency domain spreading and de-spreading method and apparatus. In embodiments of the present application, user equipment acquires indication information of an orthogonal sequence used by a transmission physical uplink control channel (PUCCH); the user equipment spreads, according to an orthogonal sequence corresponding to the indication information of the orthogonal sequence, a frequency domain for uplink control information borne by the PUCCH; and the user equipment transmits, over a frequency domain resource corresponding to the PUCCH, the uplink control information of which the frequency domain is spread. The present application can spread a frequency domain for uplink control information borne by a PUCCH.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: October 6, 2020
    Assignee: CHINA ACADEMY OF TELECOMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Fang-Chen Cheng
  • Publication number: 20200296695
    Abstract: The present disclosure provides a PUSCH transmission method, a PUSCH reception method, a UE and a base station. The PUSCH transmission method includes: determining indication information about an HARQ-ACK, the indication information about the HARQ-ACK being at least used to indicate whether there is HARQ-ACK information on a target PUSCH; and transmitting the indication information on the target PUSCH. According to the present disclosure, the indication information about the HARQ-ACK is additionally transmitted by the UE on the PUSCH, and the indication information is at least used to indicate whether there is the HARQ-ACK information on the target PUSCH.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 17, 2020
    Inventors: Xuejuan GAO, Qianqian SI
  • Patent number: 10779329
    Abstract: Disclosed in the present application are a random access response (RAR) transmission method and device for ensuring independent transmission of RARs having different coverage enhancement levels, reducing a blind test of a physical downlink control channel performed by a terminal, and saving power consumption of the terminal. The present application provides an RAR transmission method, comprising: determining, by a network side and at least according to coverage enhancement levels corresponding to physical downlink control channels, frequency domain resources of the physical downlink control channels, wherein the frequency domain resources of the physical downlink control channels having different coverage enhancement levels are independently configured; and transmitting, by the network side, the physical downlink control channels on the frequency domain resources of the physical downlink control channels.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 15, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Weijie Xu, Yanping Xing