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).

  • Patent number: 12137016
    Abstract: Provided are a data modulation method and apparatus, a device, and a storage medium. The data modulation method includes that: a modulation manner is configured, where a constellation point modulation symbol of the modulation manner is formed by combining a first group of constellation point modulation symbols and a second group of constellation point modulation symbols; and data is modulated by using the modulation manner, where the data includes a first data block and a second data block, the first data block is modulated by the first group of constellation point modulation symbols, and the second data block is modulated by the second group of constellation point modulation symbols.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: November 5, 2024
    Assignee: ZTE CORPORATION
    Inventors: Yu Xin, Jian Hua, Liujun Hu, Guanghui Yu, Jin Xu
  • Publication number: 20240345209
    Abstract: A wireless communication and sensing method for use in a wireless communication and sensing node is disclosed. The method comprises transmitting an integrated sensing and communication, ISAC, signal, wherein a sensing signal in the ISAC signal comprises a wideband signal and at least one single-tone signal, wherein the number of the at least one single-tone signal is less than 10, and wherein a bandwidth of the wideband signal is greater than 1 MHz.
    Type: Application
    Filed: May 13, 2024
    Publication date: October 17, 2024
    Applicant: ZTE CORPORATION
    Inventors: Yihua MA, Zhifeng YUAN, Shuqiang XIA, Guanghui YU, Liujun HU
  • Patent number: 12107715
    Abstract: A data transmission method includes: performing M-point discrete Fourier transform (DFT) on first time domain data to obtain frequency domain data; performing a filtering operation on the frequency domain data to obtain filtered frequency domain data; performing N-point inverse discrete Fourier transform (IDFT) on the filtered frequency domain data to obtain second time domain data; and transmitting the second time domain data on a physical resource.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: October 1, 2024
    Assignee: ZTE CORPORATION
    Inventors: Yu Xin, Tong Bao, Guanghui Yu, Liujun Hu, Jin Xu
  • Publication number: 20240319319
    Abstract: A wireless communication and sensing method comprising: performing, by a wireless communication and sensing node, a communication function of an integrated sensing and communication, ISAC, signal via one or more communication antennas; and performing, by the wireless communication and sensing node, a sensing function of the ISAC signal via the one or more communication antennas and one or more sensing-dedicated antennas.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Applicant: ZTE CORPORATION
    Inventors: Yihua MA, Zhifeng YUAN, Shuqiang XIA, Guanghui YU, Liujun HU
  • Publication number: 20240319320
    Abstract: A wireless communication and sensing method is disclosed. The method comprises sending, by a wireless communication and sensing node, an integrated sensing and communication, ISAC, signal comprising a communication signal and a sensing signal, wherein the sensing signal comprises one or more single-tone signals, and wherein the number of the single-tone signals being less than 10.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Applicant: ZTE Corporation
    Inventors: Yihua Ma, Zhifeng Yuan, Shuqiang Xia, Guanghui Yu, Liujun Hu
  • Patent number: 12101649
    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: Grant
    Filed: March 11, 2022
    Date of Patent: September 24, 2024
    Assignee: ZTE CORPORATION
    Inventors: Feng Xie, Tao Qi, Zheng Peng, Na Liu, Guanghui Yu, Liujun Hu
  • Publication number: 20240298352
    Abstract: A random access method includes: transmitting a physical random access channel (PRACH); receiving a timing pilot signal for responding to the PRACH and detecting a random access response (RAR) message and a physical downlink control channel (PDCCH) for indicating the RAR message, where timings of the RAR message and the PDCCH are determined based on a timing of the timing pilot signal; and transmitting a third message according to the timing pilot signal, the RAR message and the PDCCH, where the third message is used for requesting access to a network.
    Type: Application
    Filed: October 13, 2021
    Publication date: September 5, 2024
    Applicant: ZTE CORPORATION
    Inventors: Shuqiang XIA, Peng HAO, Yijian CHEN, Feng XIE, Bo DAI, Guanghui YU, Liujun HU
  • Publication number: 20240255608
    Abstract: Techniques are described for transmission and/or reception of signal structure designs for joint communications and sensing. An example wireless communication method includes transmitting, by a wireless device, a waveform that includes a signal structure having one or more time resources or one or more frequency resources, where the signal structure includes a plurality of data signals, where the signal structure includes a plurality of sensing signals configured to reflect from an object in an area where the wireless device is operating, and where locations of the plurality of sensing signals in the signal structure form an irregular pattern.
    Type: Application
    Filed: April 11, 2024
    Publication date: August 1, 2024
    Inventors: Yihua MA, Zhifeng YUAN, Guanghui YU, Shuqiang XIA, Liujun HU
  • Publication number: 20240250734
    Abstract: Techniques are described for transmission and/or reception of signal structure designs for joint communications and sensing. An example wireless communication method includes transmitting, by a wireless device, a waveform that includes a signal structure having one or more time resources or one or more frequency resources, where the signal structure includes a plurality of data signals, where the signal structure includes a plurality of sensing signal configured to reflect from an object in an area where the wireless device is operating, and where, before the transmitting, the plurality of data signals are spread using different spreading codes than that used to spread the plurality of sensing signals.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Inventors: Yihua MA, Zhifeng YUAN, Guanghui YU, Shuqiang XIA, Liujun HU
  • Publication number: 20240223427
    Abstract: A data transmission method is provided, the method includes: transmitting to-be-transmitted data in N frequency domain resource blocks, wherein the N frequency domain resource blocks include at least one subcarrier respectively, and N is an integer greater than or equal to 1; performing a first processing on to-be-transmitted data on each frequency domain resource block of the N frequency domain resource blocks, to form N data sequences; performing a second processing on the N data sequences to form a data sequence; and transmitting the data sequence.
    Type: Application
    Filed: July 12, 2022
    Publication date: July 4, 2024
    Inventors: Yu XIN, Tong BAO, Guanghui YU, Jin XU, Liujun HU
  • Publication number: 20240214164
    Abstract: Provided are an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The information feedback includes the following: a second node configures a report configuration and sends the report configuration to a first node; the first node receives the report configuration sent by the second node and determines channel state information according to the report configuration, where the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; the channel state information is fed back to the second node through a report instance; and the second node receives the channel state information fed back by the first node through the report instance.
    Type: Application
    Filed: November 3, 2023
    Publication date: June 27, 2024
    Inventors: Xiyu WANG, Zhaohua LU, Bo GAO, Liujun HU
  • Publication number: 20240205066
    Abstract: A symbol transmitting method, including: determining N+1 transmission symbols s0, s1, s2, . . . , sN, according to a reference symbol and (M1+M2)*N bits, where 0, 1, 2, . . . , N are indices of the N+1 transmission symbols, s0 is a reference symbol, an amplitude of a transmission symbol with index n is determined according to M1 bits, a phase of the transmission symbol with index n is determined according to a phase of a transmission symbol with index n?1 and M2 bits, M1 is an integer greater than or equal to 1. M2 is an integer greater than or equal to 1, N is an integer greater than or equal to 1, 1?n?N, and n is an integer; and transmitting the N+1 transmission symbols.
    Type: Application
    Filed: April 13, 2022
    Publication date: June 20, 2024
    Inventors: Zhifeng YUAN, Yu XIN, Guanghui YU, Jin XU, Liujun HU
  • Publication number: 20240205060
    Abstract: A symbol sending method, a symbol receiving method, a sending device, a receiving device, and a storage medium are disclosed. The method for symbol transmission may include determining, N+transmission symbols of s0, s1, s2, . . . sN, according to a reference symbol and (M+1)*N bits, where 0, 1, 2, . . . , N denote indices of the transmission symbols, s0 denotes the reference symbol; a transmission symbol indexed n is determined according to an amplitude and a phase of a transmission symbol indexed n?1, and M+1 bits, and M is an integer greater than or equal to 1, N is an integer greater than or equal to 1, 1?n?N, n is an integer; and transmitting the N+1 transmission symbols.
    Type: Application
    Filed: April 11, 2022
    Publication date: June 20, 2024
    Applicant: ZTE Corporation
    Inventors: Zhifeng Yuan, Yu Xin, Guanghui Yu, Liujun Hu, Jin Xu
  • Patent number: 11991570
    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: May 22, 2023
    Date of Patent: May 21, 2024
    Assignee: ZTE Corporation
    Inventors: Peng Hao, Junfeng Zhang, Xing Liu, Zhaohua Lu, Xinhui Wang, Liujun Hu, Gang Bai
  • Publication number: 20240137758
    Abstract: This disclosure above describes a method, a device, and a system for encrypting/decrypting physical channels in a wireless communication network. Among various embodiments are: pre-allocating a key, dynamically granting a key, encrypting the physical channel based on key in various levels, dividing the spectrum into two categories, or dividing a network into an initial access network and a private network. In one embodiment, a method for physical channel encryption is disclosed. Performed by a UE, the method may include obtaining a first key for decrypting a first physical channel, the first physical channel being encrypted; and decrypting the first physical channel based on the first key to obtain a signal or data transmitted by a first network element, the signal or the data being carried in the first physical channel.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Applicant: ZTE Corporation
    Inventors: Bo DAI, Jin XU, Guanghui YU, Feng XIE, Liujun HU
  • Publication number: 20240129175
    Abstract: Provided are a symbol sending method, a symbol receiving method, a sending device, a receiving device, and a storage medium. The symbol sending method includes the following: modulating two bits according to a model of a first constellation diagram to obtain a transmission symbol, where the model of the first constellation diagram satisfies the following: four vertices of the first constellation diagram form a rhombus, the lengths of the two diagonal lines of the rhombus are unequal, and each vertex corresponds to one value of the two bits; and sending the transmission symbol.
    Type: Application
    Filed: April 13, 2022
    Publication date: April 18, 2024
    Inventors: Zhifeng YUAN, Yu XIN, Guanghui YU, Liujun HU, Jin XU
  • Publication number: 20240056128
    Abstract: Provided are an intelligent metasurface manipulation method, apparatus, and system, an intelligent metasurface, and a storage medium. The intelligent metasurface manipulation method includes determining channel information and beam manipulation information; determining a manipulation parameter to be optimized in a preset target function according to the channel information and the beam manipulation information; determining a target manipulation state of each electromagnetic unit on an intelligent metasurface according to the manipulation parameter to be optimized; and adjusting a current state of each electromagnetic unit to the target manipulation state.
    Type: Application
    Filed: December 10, 2021
    Publication date: February 15, 2024
    Inventors: Jun YANG, Yijian CHEN, Min FANG, Jianwu DOU, Zhaohua LU, Liujun HU, Wanchun ZHANG
  • Patent number: 11882075
    Abstract: Provided are an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The information feedback includes the following: a second node configures a report configuration and sends the report configuration to a first node; the first node receives the report configuration sent by the second node and determines channel state information according to the report configuration, where the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; the channel state information is fed back to the second node through a report instance; and the second node receives the channel state information fed back by the first node through the report instance.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: January 23, 2024
    Assignee: ZTE Corporation
    Inventors: Xiyu Wang, Zhaohua Lu, Bo Gao, Liujun Hu
  • Patent number: 11855824
    Abstract: Provided are a data modulation method and apparatus, a device, and a storage medium. The data modulation method comprises: modulating data according to a configured constellation point modulation symbol S(n) set, wherein n is an integer between 0 and N?1, and N is an even integer greater than or equal to 4; and transmitting the modulated data on a physical resource.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 26, 2023
    Assignee: ZTE CORPORATION
    Inventors: Yu Xin, Tong Bao, Jin Xu, Guanghui Yu, Liujun Hu
  • Publication number: 20230353438
    Abstract: A data transmission method includes: performing M-point discrete Fourier transform (DFT) on first time domain data to obtain frequency domain data; performing a filtering operation on the frequency domain data to obtain filtered frequency domain data; performing N-point inverse discrete Fourier transform (IDFT) on the filtered frequency domain data to obtain second time domain data; and transmitting the second time domain data on a physical resource.
    Type: Application
    Filed: May 20, 2021
    Publication date: November 2, 2023
    Applicant: ZTE CORPORATION
    Inventors: Yu XIN, Tong BAO, Guanghui YU, Liujun HU, Jin XU