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).

  • Power distribution method and apparatus
    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
  • METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION
    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
  • TRANSMISSION METHOD, USER EQUIPMENT AND BASE STATION
    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
  • Frequency domain spreading and de-spreading method and apparatus
    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
  • PHYSICAL UPLINK SHARED CHANNEL TRANSMISSION METHOD AND RECEPTION METHOD, USER EQUIPMENT AND BASE STATION
    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
  • Random access response transmission method and device
    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
  • Method and device for transmitting feedback information
    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
  • Uplink control information transmission method, uplink control information reception method, terminal and base station
    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
  • FEEDBACK INFORMATION TRANSMISSION METHOD AND DEVICE, USER EQUIPMENT, BASE STATION AND STORAGE MEDIUM
    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
  • TRANSMISSION METHOD, DEVICE, TERMINAL, BASE STATION AND STORAGE MEDIUM
    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
  • A METHOD FOR DETERMINING AND CONFIGURING A RESOURCE USED FOR TRANSMITTING DOWNLINK DATA, TERMINAL AND BASE STATION
    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
  • METHOD OF GENERATING UPLINK SIGNAL SEQUENCE, USER EQUIPMENT, BASE STATION AND COMPUTER-READABLE STORAGE MEDIUM
    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
  • Pilot frequency transmission method for uplink shared channel, and related device
    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
  • Physical uplink shared channel data transmission method and device
    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
  • RESOURCE ALLOCATION DETERMINATION METHOD, RESOURCE ALLOCATION INDICATION METHOD, USER EQUIPMENT AND NETWORK DEVICE
    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
  • Uplink control information transmission method and uplink control information transmission device
    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
  • PUCCH TRANSMISSION METHOD, USER EQUIPMENT AND APPARATUS
    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
  • Power control method and power control apparatus for uplink channels
    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
  • METHOD, APPARATUS AND EQUIPMENT FOR DETERMINING TRANSPORT BLOCK SIZE
    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
  • PHYSICAL UPLINK CONTROL CHANNEL TRANSMISSION METHOD AND RECEPTION METHOD, APPARATUS, USER EQUIPMENT AND BASE STATION
    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