Patents by Inventor Tie Li

Tie Li 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: 11457478
    Abstract: The present application relates to the field of wireless communications, and in particular, to a method and device for random access, for use in resolving the problem in the prior art of conflict between a time domain resource used by a terminal for random access and a time domain resource occupied for transmission of a SS Block and/or RMSI. In embodiments of the present application, a terminal determines a PRACH time domain resource configured by a base station for the terminal; when determining that at least one time slot comprises a first type of OFDM symbols used for transmission of a SS Block and/or RMSI, the terminal performs random access by means of OFDM symbols different from the first type of OFDM symbols in the at least one time slot.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 27, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Bin Ren, Ren Da, Zheng Zhao, Tie Li
  • Patent number: 11438127
    Abstract: A measurement gap determination method, a UE and a network side device are provided. The measurement gap determination method includes: receiving, by a UE, measurement configuration information of a SS block of at least one BWP transmitted from a network side device, wherein the UE operates at the BWP on which no SS block is transmitted when the UE receives the measurement configuration information; determining, by the UE, a measurement gap for the measurement of the SS block on the at least one BWP in accordance with the measurement configuration information; and measuring, by the UE, the SS block on the at least one BWP in the measurement gap.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: September 6, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Ren Da, Zheng Zhao, Bin Ren, Tie Li, Fangchen Cheng, Tony Ekpenyong
  • Patent number: 11388689
    Abstract: A timing advance indication method, a base station, a terminal and a device are provided. The method includes: transmitting subcarrier spacing configuration information of a physical uplink shared channel and/or a physical uplink control channel to a terminal; receiving a preamble fed back by the terminal based on subcarrier spacing configuration information; obtaining a quantized value of a timing advance corresponding to a tracking area based on the preamble; and transmitting the quantized value of the timing advance to the terminal.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: July 12, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Ren Da, Zheng Zhao, Bin Ren, Tony Ekpenyong, Pierre Bertrand, Fangchen Cheng, Tie Li, Qiubin Gao
  • Patent number: 11388049
    Abstract: Disclosed are a resource configuration method and apparatus, and a computer storage medium, being used for enabling, when a remaining minimum system information control resource set and an associated synchronization information block are in a time division multiplexing mode, the configuration of the remaining minimum system information control resource set to be more flexible, being applicable to more application scenarios. The resource configuration method comprises: determining that a remaining minimum system information control resource set (RMSI CORESET) and an associated synchronization information block (SS Block) occupy different symbols for transmission in a time division multiplexing mode; and determining the configuration parameters of the RMSI CORESET and the associated SS Block, the remaining minimum system information control resource sets associated with the SS Blocks in each SS Block burst set having identical configuration parameters.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: July 12, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Ren Da, Tie Li, Ekpenyong Tony, Fang-Chen Cheng, Qiubin Gao, Bin Ren, Zheng Zhao
  • Patent number: 11368928
    Abstract: The present application discloses an association method, instruction method, and device for a synchronization block and a paging-scheduling signaling message. In the present application, a terminal performs beam sweeping on received synchronization blocks to obtain a target synchronization block; and the terminal, according to a correspondence between a synchronization block and a paging-scheduling signaling message, determines a paging-scheduling signaling message corresponding to the target synchronization block.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: June 21, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Zheng Zhao, Ren Da, Fang-Chen Cheng, Qiubin Gao, Bin Ren, Tie Li
  • Publication number: 20220174681
    Abstract: The disclosure provides example communication methods and apparatus. One example method includes determining a highest-priority CORESET, so that a terminal device monitors a PDCCH on the highest-priority CORESET. A highest-priority CORESET is determined in M CORESETs belonging to T CORESETs based on one or more of cell identifiers, quasi co-location properties, search space set types, and search space set identifiers that are associated with the M CORESETs in a time unit, and a PDCCH is monitored on the highest-priority CORESET.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Inventors: Fei GAO, Xi ZHANG, Yongping ZHANG, Tie LI, Meng HUA
  • Publication number: 20220167339
    Abstract: This application provides a beam failure recovery method and an apparatus to reduce implementation complexity of a terminal in a BFR procedure. The method includes: A terminal receives configuration information sent by a network device, where the configuration information is used to indicate one or more uplink signal resources; the terminal sends an uplink signal based on the configuration information, and the network device measures the uplink signal and determines beam quality of an uplink resource corresponding to the uplink signal; and the network device sends a first response message to the terminal based on a measurement result of the uplink signal when a beam failure occurs, so that the terminal determines that a beam failure recovery succeeds. The technical solutions in this application are applicable to the BFR procedure.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 26, 2022
    Inventors: Tie LI, Yongping ZHANG, Xi ZHANG
  • Publication number: 20220150731
    Abstract: A beam failure processing method includes determining a beam failure of a first cell. A beam failure recovery procedure of a primary cell in the first cell and a second cell is performed before beam failure recovery of the first cell succeeds and if a beam failure of the second cell is determined. The first cell is the primary cell and the second cell is a secondary cell, or the first cell is the secondary cell and the second cell is the primary cell. The method also includes sending information to a network device. The information is used to indicate at least a beam failure of the primary cell in the first cell and the second cell.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 12, 2022
    Inventors: Tie LI, Yongping ZHANG, Xi ZHANG
  • Publication number: 20220030636
    Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, wherein the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, wherein the random access response message comprises downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
    Type: Application
    Filed: October 11, 2021
    Publication date: January 27, 2022
    Inventors: Bin REN, Zheng ZHAO, Ren DA, Tie LI, Fang-Chen CHENG
  • Patent number: 11178701
    Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, wherein the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, wherein the random access response message comprises downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: November 16, 2021
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Bin Ren, Zheng Zhao, Ren Da, Tie Li, Fang-Chen Cheng
  • Patent number: 11135165
    Abstract: The present invention provides a suspension comprising aluminum hydroxide and magnesium hydroxide and a method of preparing the same. The aqueous suspension composition according to the present invention ensures an excellent sedimentation rate by using a mixed suspending agent with a specific composition, so that insoluble aluminum hydroxide and magnesium hydroxide do not easily settle, do not form a cake, and are easily redispersed. Since the aqueous suspension composition having an excellent sedimentation rate has not only physical stability, but also forms a homogeneous dispersion system, the reproducibility or effectiveness of bioavailability may be ensured. In addition, the aqueous suspension composition according to the present invention provides an excellent texture, and thus patient compliance increases.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 5, 2021
    Assignees: Daewoong Pharmaceutical Co., Ltd., Liaoning Daewoong Fharmaceutcal Co., Ltd.
    Inventors: Ye Chang, Qing Ri Li, Sang Ho Seol, Tie Li, Chao Tong
  • Publication number: 20210234595
    Abstract: This application relates to channel state information (CSI) feedback methods and devices. One method comprises: receiving, by a terminal device from a network device, indication information of a channel state information (CSI) reporting band; determining, by the terminal device, based on the indication information, a subset of subbands in a bandwidth part configured for the terminal device for CSI reporting; determining, by the terminal device. CSI reporting priorities of the subset of the subbands based on index numbers of the subset of the subbands, wherein the index numbers of the subset of the subbands are numbered in an ascending numerical order; and sending, by the terminal device to the network device, CSI of M subbands with higher CSI reporting priorities in the subset of the subbands compared to a remainder of subbands in the subset of subbands.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 29, 2021
    Inventors: Yongping ZHANG, Baojin LI, Huangping JIN, Tie LI
  • Patent number: 11063722
    Abstract: A signal processing method and apparatus, a device, and a computer readable storage medium are provided, which relate to the field of communication technology, to reduce collisions of physical broadcast channel (PBCH) demodulation reference signals (DMRSs). The signal processing method provided by embodiments of the present disclosure includes: generating a plurality of candidate PBCH DMRS sequences; acquiring a mapping relationship between PBCH DMRS sequences and resource element (RE) groups; and transmitting the candidate PBCH DMRS sequences by using RE groups corresponding to the candidate PBCH DMRS sequences according to the mapping relationship. Therefore, the embodiments of the present disclosure may reduce collisions of PBCH DMRSs.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 13, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Zheng Zhao, Tie Li, Wei Zhong, Bin Ren, Fangchen Cheng, Ren Da
  • Patent number: 11012978
    Abstract: An uplink scheduling-free transmission method and an uplink scheduling-free transmission device are provided. The uplink scheduling-free transmission method includes: dividing, by a base station, MA resources into groups of MA resources, and configuring, by the base station, the groups of MA resources to obtain at least two groups of MA resource pools, wherein at least parts of respective MA resources in the at least two groups of MA resource pools are different from each other; and notifying, by the base station, a UE of the at least two groups of MA resource pools, to enable the UE to select an MA resource pool from the at least two groups of MA resource pools, wherein the selected MA resource pool is to be used by the UE.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: May 18, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Tie Li, Shanzhi Chen, Shaoli Kang, Bin Ren, Yanping Xing, Zheng Zhao
  • Publication number: 20210102910
    Abstract: The present disclosure provides a method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene. The method includes: 1) providing graphene and a micro heater platform substrate, and transferring the graphene onto the micro heater platform substrate; 2) putting the micro heater platform substrate covered with the graphene into a chemical vapor deposition reaction furnace; 3) performing gas feeding and exhausting treatment to the reaction furnace by using inert gas; 4) simultaneously feeding inert gas and hydrogen gas into the reaction furnace at a first temperature; 5) feeding inert gas, hydrogen gas and sulfur source gas into the reaction furnace at a second temperature for reaction to perform sulfur doping to the graphene (21); and 6) stopping feeding the sulfur source gas, and performing cooling in a hydrogen gas and insert gas shielding atmosphere.
    Type: Application
    Filed: December 9, 2020
    Publication date: April 8, 2021
    Applicant: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: TIE LI, LIANFENG GUO, CHEN LIANG, YUELIN WANG
  • Patent number: 10973031
    Abstract: Disclosed are a resource configuration method and device, and a computer storage medium, for enabling configuration of a remaining minimum system information control resource set to be more flexibly when the remaining minimum system information control resource set and an associated synchronous information block occupy a same beam by means of frequency division multiplexing, so as to be applicable to more application scenarios.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: April 6, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventors: Ren Da, Tie Li, Ekpenyong Tony, Fang-Chen Cheng, Qiubin Gao, Bin Ren, Zheng Zhao
  • Patent number: 10908107
    Abstract: A nitrogen oxide gas sensor based on sulfur-doped graphene and a preparation method therefor. The method includes the following steps: 1) providing graphene and a micro heater platform substrate, and transferring the graphene onto the micro heater platform substrate; 2) putting the micro heater platform substrate covered with the graphene into a chemical vapor deposition reaction furnace; 3) performing gas feeding and exhausting treatment to the reaction furnace by using inert gas; 4) simultaneously feeding inert gas and hydrogen gas into the reaction furnace at a first temperature; 5) feeding inert gas, hydrogen gas and sulfur source gas into the reaction furnace at a second temperature for reaction to perform sulfur doping to the graphene; and 6) stopping feeding the sulfur source gas, and performing cooling in a hydrogen gas and insert gas shielding atmosphere.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 2, 2021
    Assignee: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCE
    Inventors: Tie Li, Lianfeng Guo, Chen Liang, Yuelin Wang
  • Publication number: 20200396122
    Abstract: Disclosed are a resource configuration method and apparatus, and a computer storage medium, being used for enabling, when a remaining minimum system information control resource set and an associated synchronization information block are in a time division multiplexing mode, the configuration of the remaining minimum system information control resource set to be more flexible, being applicable to more application scenarios. The resource configuration method comprises: determining that a remaining minimum system information control resource set (RMSI CORESET) and an associated synchronization information block (SS Block) occupy different symbols for transmission in a time division multiplexing mode; and determining the configuration parameters of the RMSI CORESET and the associated SS Block, the remaining minimum system information control resource sets associated with the SS Blocks in each SS Block burst set having identical configuration parameters.
    Type: Application
    Filed: October 24, 2018
    Publication date: December 17, 2020
    Applicant: China Academy of Telecommunications Technology
    Inventors: Ren Da, Tie Li, Ekpenyong Tony, Fang-Chen Cheng, Qiubin Gao, Bin REN, Zheng Zhao
  • Publication number: 20200359384
    Abstract: Disclosed are a resource configuration method and device, and a computer storage medium, for enabling configuration of a remaining minimum system information control resource set to be more flexibly when the remaining minimum system information control resource set and an associated synchronous information block occupy a same beam by means of frequency division multiplexing, so as to be applicable to more application scenarios.
    Type: Application
    Filed: October 24, 2018
    Publication date: November 12, 2020
    Applicant: China Academy of Telecommunications Technology
    Inventors: Ren Da, Tie Li, Ekpenyong Tony, Fang-Chen Cheng, Qiubin Gao, Bin REN, Zheng Zhao
  • Publication number: 20200344811
    Abstract: The present application relates to the field of wireless communications, and in particular, to a method and device for random access, for use in resolving the problem in the prior art of conflict between a time domain resource used by a terminal for random access and a time domain resource occupied for transmission of a SS Block and/or RMSI. In embodiments of the present application, a terminal determines a PRACH time domain resource configured by a base station for the terminal; when determining that at least one time slot comprises a first type of OFDM symbols used for transmission of a SS Block and/or RMSI, the terminal performs random access by means of OFDM symbols different from the first type of OFDM symbols in the at least one time slot.
    Type: Application
    Filed: October 10, 2018
    Publication date: October 29, 2020
    Applicant: China Academy of Telecommunications Technology
    Inventors: Bin Ren, Ren Da, Zheng Zhao, Tie Li