Patents by Inventor Liujun Hu

Liujun Hu 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).

  • Publication number: 20220201509
    Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicant: ZTE Corporation
    Inventors: Feng XIE, Tao QI, Zheng PENG, Na LIU, Guanghui YU, Liujun HU
  • Publication number: 20220086709
    Abstract: Disclosed are a signal transmission method and device, and a computer storage, including that: a base station sends or receives a signal within a sweep time interval, an access signal time interval, which is comprised of sweep time blocks sweep time blocks. The access signal time interval includes a downlink access signal time interval and an uplink access signal time interval. The base station sends the signal over the downlink access signal time interval, and receives the signal over the uplink access signal time interval. A terminal sends or receives a signal within the access signal time interval which is comprised of the sweep time blocks. The terminal sends the signal over the uplink access signal time interval, or receives the signal over the downlink access signal time interval.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Peng Hao, Junfeng Zhang, Xing Liu, Zhaohua Lu, Xinhui Wang, Liujun Hu, Gang Bai
  • Patent number: 11190613
    Abstract: A method, device and a computer storage medium for wireless connection are provided. The method includes that: a main Transmission Point (TP) sends a connection indication to User Equipment (UE), the connection indication being used to indicate the UE to establish a connection with at least one sub TP on the premise of keeping a current connection with the main TP.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: November 30, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Bo Dai, Feng Xie, Yada Huang, Yu Ngok Li, Guanghui Yu, Liujun Hu
  • Patent number: 11190991
    Abstract: Disclosed are a signal transmission method and device, and a computer storage, including that: a base station sends or receives a signal within a sweep time interval, an access signal time interval, which is comprised of sweep time blocks sweep time blocks. The access signal time interval includes a downlink access signal time interval and an uplink access signal time interval. The base station sends the signal over the downlink access signal time interval, and receives the signal over the uplink access signal time interval. A terminal sends or receives a signal within the access signal time interval which is comprised of the sweep time blocks. The terminal sends the signal over the uplink access signal time interval, or receives the signal over the downlink access signal time interval.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: November 30, 2021
    Assignee: ZTE CORPORATION
    Inventors: Peng Hao, Junfeng Zhang, Xing Liu, Zhaohua Lu, Xinhui Wang, Liujun Hu, Gang Bai
  • Patent number: 10992409
    Abstract: Provided in embodiments of the present disclosure is a wireless signal transmission method and device. The method includes: in presence of a plurality of sets of wireless signals having different configurations, cascading consecutive symbols in each of the plurality of sets of wireless signals into at least one symbol cascade block, where when lengths of valid symbols in any two sets of wireless signals of the plurality of sets of wireless signals having different configurations satisfy a proportional relationship of n:m, numbers of symbols in symbol cascade blocks of the two sets of wireless signals within a same time length satisfy a proportional relationship of m:n, and n and m are positive integers; and transmitting symbol cascade blocks of the plurality of sets of wireless signals in a preset order.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 27, 2021
    Assignee: ZTE CORPORATION
    Inventors: Peng Hao, Junfeng Zhang, Feng Bi, Zhaohua Lu, Liujun Hu, Xinhui Wang, Gang Bai
  • Publication number: 20210029672
    Abstract: Provided are a system message transmission method and device, which relate to the field of wireless communications. According to the system message transmission method, a system message is transmitted at a preset resource location; and a physical downlink channel is transmitted according to the system message. The system message may include at least one of: frequency domain location information of a system, configuration information of a physical shared channel carrying a system message, configuration information of terminal access, available resource information of the physical downlink channel, and radio frame information.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 28, 2021
    Inventors: Bo DAI, Shuqiang XIA, Guanghui YU, Liujun HU, Yifei YUAN
  • Patent number: 10725181
    Abstract: An in-band pseudolite wireless positioning method, system and device are provided. The system has a base station, a pseudolite and a terminal. The base station transmits identifier information to the pseudolite after correcting a transmission clock of the pseudolite and transmits a pseudolite array and positioning correction information to the terminal. The pseudolite generates a random positioning signal sequence according to the identifier information and transmits a positioning signal according to the transmission clock and the random positioning signal sequence. The terminal generates a random positioning signal sequence of the pseudolite according to the pseudolite array and the positioning correction information.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: July 28, 2020
    Assignee: ZTE CORPORATION
    Inventors: Shijun Chen, Liujun Hu, Guanghui Yu, Haitao Lu
  • Publication number: 20200213911
    Abstract: Disclosed are a data transmission method and apparatus. The method includes: a transmission node acquiring information about a data transmission mode, herein the information about the data transmission mode includes a rapid data transmission mode in which a time-domain length of data transmission is configured based on a time-domain symbol; and the transmission node transmitting data according to the acquired data transmission mode. In the data transmission method, the time-domain length of data transmission is configured based on the time-domain symbol, the setting of the time-domain length of data transmission is flexible, multiple opportunities of data transmission can exist in one subframe, resources used for data transmission can be guaranteed to be found rapidly when there is a data transmission demand, thus rapid data transmission is realized and data transmission delay is reduced.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 2, 2020
    Inventors: Bo DAI, Shuqiang XIA, Qian DAI, Jing SHI, Liujun HU, Zhaohua LU
  • Patent number: 10701646
    Abstract: The present document discloses a wireless synchronization method and a wireless synchronization system. The method includes: determining a synchronization path between a first node and a second node (S110); and using the synchronization path to synchronize the first node and the second node (S120), herein the synchronization path is composed of one or more segments of visible paths, and the visible path is a direct path which connects two nodes visible to each other. The present document further discloses a computer storage medium.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: June 30, 2020
    Assignee: ZTE CORPORATION
    Inventors: Shijun Chen, Liujun Hu, Guanghui Yu, Haitao Lu
  • Patent number: 10623999
    Abstract: Disclosed are a data transmission method and apparatus. The method includes: a transmission node acquiring information about a data transmission mode, herein the information about the data transmission mode includes a rapid data transmission mode in which a time-domain length of data transmission is configured based on a time-domain symbol; and the transmission node transmitting data according to the acquired data transmission mode. In the data transmission method, the time-domain length of data transmission is configured based on the time-domain symbol, the setting of the time-domain length of data transmission is flexible, multiple opportunities of data transmission can exist in one subframe, resources used for data transmission can be guaranteed to be found rapidly when there is a data transmission demand, thus rapid data transmission is realized and data transmission delay is reduced.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: April 14, 2020
    Assignee: ZTE CORPORATION
    Inventors: Bo Dai, Shuqiang Xia, Qian Dai, Jing Shi, Liujun Hu, Zhaohua Lu
  • Patent number: 10534066
    Abstract: Provided are a virtual anchor point-based wireless positioning method and device, and terminal.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: January 14, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Shijun Chen, Guanghui Yu, Liujun Hu, Zhaohua Lu
  • Publication number: 20190349448
    Abstract: A method, device and a computer storage medium for wireless connection are provided. The method includes that: a main Transmission Point (TP) sends a connection indication to User Equipment (UE), the connection indication being used to indicate the UE to establish a connection with at least one sub TP on the premise of keeping a current connection with the main TP.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 14, 2019
    Inventors: Bo Dai, Feng Xie, Yada Huang, Yu Ngok Li, Guanghui Yu, Liujun Hu
  • Publication number: 20190342805
    Abstract: Disclosed are a signal transmission method and device, and a computer storage, including that: a base station sends or receives a signal within a sweep time interval, an access signal time interval, which is comprised of sweep time blocks sweep time blocks. The access signal time interval includes a downlink access signal time interval and an uplink access signal time interval. The base station sends the signal over the downlink access signal time interval, and receives the signal over the uplink access signal time interval. A terminal sends or receives a signal within the access signal time interval which is comprised of the sweep time blocks. The terminal sends the signal over the uplink access signal time interval, or receives the signal over the downlink access signal time interval.
    Type: Application
    Filed: February 4, 2019
    Publication date: November 7, 2019
    Inventors: Peng Hao, Junfeng Zhang, Xing Liu, Zhaohua Lu, Xinhui Wang, Liujun Hu, Gang Bai
  • Patent number: 10425765
    Abstract: A positioning method and a corresponding terminal and system. A terminal acquires positioning information of the terminal, and sends the acquired positioning information to a first transmission node, the positioning information comprising at least one type of the following information: signal strength information, a subframe or subframe set index, channel characteristic information, access point information and environment characteristic information. The first transmission node transmits the positioning information to a positioning service system, and the positioning service system acquires the positioning information reported by the terminal and determines a geographic position of the terminal according to the positioning information. The present invention can satisfy related enhanced positioning demands.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: September 24, 2019
    Assignee: ZTE CORPORATION
    Inventors: Bo Dai, Zhaohua Lu, Liujun Hu, Yong Li, Shijun Chen
  • Patent number: 10389843
    Abstract: A method, device and a computer storage medium for wireless connection are provided. The method includes that: a main Transmission Point (TP) sends a connection indication to User Equipment (UE), the connection indication being used to indicate the UE to establish a connection with at least one sub TP on the premise of keeping a current connection with the main TP.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: August 20, 2019
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO. LTD.
    Inventors: Bo Dai, Feng Xie, Yada Huang, YuNgok Li, Guanghui Yu, Liujun Hu
  • Publication number: 20190253183
    Abstract: Provided in embodiments of the present disclosure is a wireless signal transmission method and device. The method includes: in presence of a plurality of sets of wireless signals having different configurations, cascading consecutive symbols in each of the plurality of sets of wireless signals into at least one symbol cascade block, where when lengths of valid symbols in any two sets of wireless signals of the plurality of sets of wireless signals having different configurations satisfy a proportional relationship of n:m, numbers of symbols in symbol cascade blocks of the two sets of wireless signals within a same time length satisfy a proportional relationship of m:n, and n and m are positive integers; and transmitting symbol cascade blocks of the plurality of sets of wireless signals in a preset order.
    Type: Application
    Filed: August 10, 2017
    Publication date: August 15, 2019
    Inventors: Peng HAO, Junfeng ZHANG, Feng BI, Zhaohua LU, Liujun HU, Xinhui WANG, Gang BAI
  • Patent number: 10299252
    Abstract: A method for transmitting control information, a channel or signal, and a corresponding sending end are provided. The method includes: after performing low bit rate coding and/or low order modulation on data containing the control information, carrying the data on partial physical resources of a reference signal for transmission, herein the coding rate is lower than the highest coding rate set by the system and the modulation order is lower than the highest modulation order set by the system. The method further includes: selecting one transmission mode from multiple transmission modes configured for the channel or signal; transmitting known data; transmitting non-known data and being subject to a coding limitation and/or modulation limitation; and transmitting the non-known data and not being subject to the modulation limitation and the coding limitation; and sending transmission mode configuration information to a receiving end to indicate the selected transmission mode.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: May 21, 2019
    Assignee: ZTE Corporation
    Inventors: Yu Xin, Liujun Hu, Guanghui Yu
  • Patent number: 10292128
    Abstract: Provided are a method, a system and a positioning location calculation device for realizing wireless positioning. The method includes: a positioning measurement device updating locally and statically stored PSS information according to movement information of the positioning measurement device when network connection is performed (200); receiving a positioning signal transmitted by each PSS in a band of a communication network on a determined wireless resource to obtain time information of the positioning signals transmitted by one or more PSSs (201); and calculating location information based on the time information about the positioning signals transmitted by the one or more PSSs and the PSS information according to a preset positioning mode (202).
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: May 14, 2019
    Assignee: ZTE Corporation
    Inventors: Shijun Chen, Liujun Hu, Guanghui Yu, Bo Dai, Zhaohua Lu
  • Patent number: 10256954
    Abstract: Disclosed are a method, apparatus and system for data transmission in a downlink virtual multi-antenna system. The method includes: N terminals receive downlink data and/or downlink Demodulation Reference Signals (DMRSs) from one Node B or multiple Nodes B, N being a positive integer larger than or equal to 2; and one terminal in the N terminals forwards the downlink data and/or downlink DMRSs received from the one Node B or multiple Nodes B to M terminal(s), M being a positive integer larger than or equal to 1. A first forwarding unit of the apparatus is configured to forward received downlink data and/or downlink DMRSs of a Node B to M terminal(s) by one terminal in N terminals, M being a positive integer larger than or equal to 1.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: April 9, 2019
    Assignee: ZTE CORPORATION
    Inventors: Yu Ngok Li, Jin Xu, Jun Xu, Liujun Hu
  • Patent number: 10231205
    Abstract: Provided is a method for sending an in-band positioning signal and in-band positioning system in a communication network. The system includes: a Position Management Station (PMS), arranged to manage one or more Position Service Stations (PSSs) and provide a synchronization reference clock for the one or more PSSs; a positioning center network element, arranged to provide position estimation information for a terminal based on position information of the one or more PSSs and send the position estimation information to the terminal; and the one or more PSSs, of which each PSS uses a same frequency band used by the communication network and is arranged to generate an in-band positioning signal for measuring a distance, regulate a sending clock of the in-band positioning signal according to a difference value between a local sending clock and the synchronization reference clock and send the in-band positioning signal to the terminal.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: March 12, 2019
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Shijun Chen, Liujun Hu, Guanghui Yu, Bo Dai, Zhaohua Lu