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: 10772096
    Abstract: A UCI transmission method, a UCI reception method, a terminal and a base station are provided. The UCI transmission method includes, when a collision is present between different types of UCIs with a first TTI length and/or a collision is present between a UCI with the first TTI length and a UCI with a second TTI length, transmitting the UCIs with the collision to a base station simultaneously using a second sPUCCH format on a predetermined sPUCCH resource corresponding to the second sPUCCH format, or determining a transmission scheme for the UCIs with the collision in accordance with a sPUCCH format adopted by the UCI with the first TTI length.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 8, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Xueming Pan
  • Patent number: 10771224
    Abstract: Disclosed in the present application are a method and device for transmitting feedback information, used to define new feedback timing for downlink data using a dynamic and variable TTI length during transmission, so as to ensure that ACK/NACK feedback information of downlink data is fed back on an earliest uplink transmission resource meeting a processing delay requirement, thereby reducing system delay.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 8, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Xueming Pan, Fang-Chen Cheng, Qianqian Si
  • Publication number: 20200280397
    Abstract: A feedback information transmission method, a feedback information transmission device, a UE, a base station and a computer-readable storage medium are provided. The feedback information transmission method includes: receiving configuration information from a base station, and determining the quantity of beam groups based on the configuration information; determining the quantity of bits of an HARQ-ACK based on the quantity of the beam groups; and generating an HARQ-ACK sequence corresponding to the quantity of the bits and transmitting the HARQ-ACK sequence to the base station.
    Type: Application
    Filed: August 28, 2018
    Publication date: September 3, 2020
    Inventor: Xuejuan GAO
  • Publication number: 20200280396
    Abstract: Disclosed in the invention are a transmission method, a device, a terminal, a base station and a storage medium. The method comprises: the terminal receiving a downlink transmission; and sorting ACK/NACK feedback information of the downlink transmission according to a DAI corresponding to the downlink transmission, to obtain an ACK/NACK sequence to be fed back, and sending same. The DAI performs cumulative counting on the downlink transmission, according to at least the order of a transmitting and receiving node (TRP). Provided is a transmission scheme in which ACK/NACK feedback can be performed in a case where the terminal simultaneously receives two PDSCHs in the same serving cell.
    Type: Application
    Filed: June 25, 2018
    Publication date: September 3, 2020
    Inventor: Xuejuan GAO
  • Publication number: 20200275419
    Abstract: A method for determining and configuring a resource used for transmitting downlink data, a terminal and a base station: the base station configures, for each terminal, resource collections or resource collection subgroups used for receiving downlink data, and then the base station notifies the terminal, by means of an explicit signaling, whether all of the resource collections or each resource collection of the configured resource collections are available, or whether all of resource collection subgroups or each resource collection subgroup of the resource collection subgroups are available, thus allowing the terminal to determine, according to the notification, the time-frequency resource position of a resource used to receive downlink data, so that the terminal may carry out rate matching on the determined resource.
    Type: Application
    Filed: July 30, 2018
    Publication date: August 27, 2020
    Inventors: Lei WANG, Ekpenyong TONY, Fang-Chen CHENG, Xuejuan GAO
  • Publication number: 20200274746
    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: Application
    Filed: August 8, 2018
    Publication date: August 27, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xiangli LIN, Xuejuan GAO, Tony EKPENYONG
  • Patent number: 10757662
    Abstract: A method for transmitting pilots of an uplink shared channel comprises: determining, by a UE, transmit power of data carried in the uplink shared channel; determining, by the UE, transmit power of the pilots carried in the uplink shared channel according to the transmit power of the data carried in the uplink shared channel, and a pilot power boosting factor of the UE, wherein the pilot power boosting factor represents a multiple of transmit power of the pilots of the uplink shared channel in a resource element relative to transmit power of the data carried in the uplink shared channel in a resource element, the multiple is more than or equal to 1, and the pilots are transmitted in a symbol occupied by the pilots with a comb-like pattern; and transmitting, by the UE, the pilots of the uplink shared channel at the transmit power of the pilots.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: August 25, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Songtao Liu, Xueming Pan
  • Patent number: 10757701
    Abstract: The application discloses a physical uplink shared channel data transmission method and device. The method comprises: a terminal adjusts or schedules, according to detected downlink control channel data utilizing an uplink DCI format and/or PHICH data in a subframe n, PUSCH data to be transmitted in a special subframe (n+k), wherein k is a predefined value. A base station transmits the downlink control channel data utilizing the uplink DCI format and/or the PHICH data in the subframe n, to adjust or schedule the terminal to transmit the PUSCH data in the special subframe (n+k), wherein k is a predefined value. The application provides a schedule timing definition for transmitting PUSCH data in a special subframe, thereby ensuring normal transmission of the PUSCH data in the special subframe.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: August 25, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Xueming Pan
  • Publication number: 20200267698
    Abstract: A resource allocation determination method, a resource allocation indication method, a UE and a network device are provided. The resource allocation determination method applied for the UE includes: determining the quantity N of bits of a resource allocation indication field in DCI; determining a BWP where a data channel is located based on the DCI; and determining resource allocation for the data channel in the BWP where the data channel is located based on information about the resource allocation indication field in the DCI.
    Type: Application
    Filed: September 26, 2018
    Publication date: August 20, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yanping XING, Xuejuan GAO, Tony EKPENYONG
  • Patent number: 10727981
    Abstract: A UCI transmission method and a UCI transmission device are provided. A subframe set in which UCI repetition is to be transmitted are determined. If an ACK/NACK and an SR are to be transmitted in a certain subframe in the subframe set, one kind of the UCI is selected from the ACK/NACK and the SR to be transmitted in the certain subframe, and then the selected UCI is transmitted in the certain subframe.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: July 28, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Yanping Xing, Yanan Lin
  • Publication number: 20200229178
    Abstract: Disclosed are a physical uplink control channel (PUCCH) transmission method, a user equipment and an apparatus, used to solve the technical problem in existing technology wherein there is no specific method or apparatus to support a PUCCH transmission scenario in a new wireless communication system. The PUCCH transmission method comprises: on the basis of an acquired indication signaling, determining an uplink beam used when carrying out PUCCH transmission; and carrying out PUCCH transmission using the determined uplink beam.
    Type: Application
    Filed: June 26, 2018
    Publication date: July 16, 2020
    Inventors: Xuejuan GAO, Ekpenyong TONY
  • Patent number: 10716069
    Abstract: The present disclosure provides a power control method and a power control apparatus for uplink channels.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: July 14, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xuejuan Gao, Yanan Lin
  • Publication number: 20200213031
    Abstract: A method of transmitting a physical uplink control channel PUCCH, a method of receiving a PUCCH, an apparatus, a user equipment and a base station are provided. The method of transmitting a PUCCH includes: determining a plurality of target slots to transmit to-be-fed-back uplink control information UCI, where the to-be-fed-back UCI is transmitted in the target slots by using the PUCCH; determining a transmission duration or format of the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots respectively; transmitting, in accordance with the determined transmission duration or format of the PUCCH, the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots.
    Type: Application
    Filed: May 30, 2018
    Publication date: July 2, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • Publication number: 20200213902
    Abstract: A method, an apparatus and an equipment for determining a transport block size are provided. The method for determining a transport block size includes: determining an initial transport block size; comparing the initial transport block size with a threshold to obtain a comparison result; quantizing the initial transport block size based on the comparison result to obtain a quantized initial transport block size; and determining a final transport block size based on the quantized initial transport block size.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 2, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yanping XING, Jiaqing WANG, Xuejuan GAO
  • Publication number: 20200204324
    Abstract: A method of sending an uplink control channel and a device thereof, a method of receiving an uplink control channel and a device thereof, a terminal and a base station are provided. The method of sending an uplink control channel includes: determining a plurality of target slots for sending uplink control information to be fed back, where the uplink control information to be fed back is sent in the target slots through an uplink control channel; acquiring a transmission duration or format of the uplink control channel carrying the uplink control information to be fed back in each of the target slots, where the transmission duration or format of the uplink control channel in every target slot is the same; and sending the uplink control channel carrying the uplink control information to be fed back in each of the target slots, according to the determined transmission duration or format of the uplink control channel.
    Type: Application
    Filed: June 13, 2018
    Publication date: June 25, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • Publication number: 20200196284
    Abstract: Disclosed are a method and device for transmitting a downlink control channel.
    Type: Application
    Filed: August 1, 2018
    Publication date: June 18, 2020
    Inventors: Lei WANG, Ekpenyong TONY, Xuejuan GAO
  • Patent number: 10687360
    Abstract: A method and device for transmitting uplink control information is described. The method includes according to the size and position of a feedback window, determining uplink control information; according to a transmission moment of the uplink control information, performing listen-before-talk detection to determine an actual uplink transmission moment; and transmitting the determined uplink control information at an actual uplink transmission moment. In the embodiments of the present disclosure, under the situation where no channel is occupied at a set uplink control information transmission moment, one or more times of listen-before-talk detection are continued, and the determined uplink control information is transmitted on an actual uplink transmission moment, thereby avoiding the situation that uplink control information may not be correctly transmitted in time due to not occupying a channel, and further improving the system performance.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: June 16, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Qianqian Si, Xuejuan Gao, Xueming Pan, Jiaqing Wang
  • Publication number: 20200187193
    Abstract: Disclosed in the present application are an uplink control channel transmission method, a terminal, a base station and a device, for solving the problem, in the prior art, that no relevant solution addresses how to perform long NR-PUCCH transmission in multiple slots. The method applied to a terminal comprises: determining a total transmission length T of an uplink control channel (PUCCH) to be transmitted in P slots; determining the transmission structure of the PUCCH on the basis of T; and transmitting the PUCCH in the P slots according to the transmission structure. The present invention defines the transmission structure for long PUCCH transmission in multiple slots, realizing the normal transmission of the long PUCCH in multiple slots.
    Type: Application
    Filed: April 17, 2018
    Publication date: June 11, 2020
    Inventors: Xuejuan GAO, Ekpenyong TONY
  • Publication number: 20200187194
    Abstract: Disclosed in the present application are a uplink control channel transmission method and device, for solving the problems, in the prior art, that no relevant solution for defining the transmission structure of a long NR-PUCCH with different lengths in consideration with whether the intra-slot frequency hopping is supported is available yet. The method includes: determining a transmission length or format of a uplink control channel (PUCCH) in a slot; determining a transmission structure of the PUCCH on the basis of the transmission length or format; and transmitting the PUCCH in the slot according to the transmission structure.
    Type: Application
    Filed: April 27, 2018
    Publication date: June 11, 2020
    Inventor: Xuejuan GAO
  • Publication number: 20200187169
    Abstract: Disclosed in the present application are a data transmission method and a device, comprising: dividing a time unit into DL areas, a time unit including at least two DL areas; notifying a terminal of the divided DL areas by means of configuration signaling. The terminal receiving the configuration signaling; according to said configuration signaling, determining DL areas into which a time unit is divided. Using the present application, defining at least two DL detection areas in a time unit, a terminal detects a downlink transmission in each detection area, and, when one is detected, performs ACK/NACK feedback in an uplink area corresponding to said downlink area. In the present invention, each downlink area has a defined feedback and scheduling relationship, respectively, by means of dividing a time unit into multiple downlink areas, thereby increasing scheduling flexibility and system resource utilization.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 11, 2020
    Applicant: China Academy of Telecommunications Technology
    Inventors: Xuejuan GAO, Xueming PAN, Fang-Chen CHENG