Patents by Inventor Liguang LI

Liguang 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).

  • Publication number: 20250212058
    Abstract: An information transmission method and an apparatus, a base station, a user equipment, a storage medium, and a program product are disclosed. The information transmission method may include: receiving a transport block (TB) sent by at least one second node, where the TB forms a TB set; obtaining feedback information according to the TB set, where the feedback information is used to represent a reception condition of the TB sent by the at least one second node; and sending the feedback information to the at least one second node.
    Type: Application
    Filed: May 15, 2023
    Publication date: June 26, 2025
    Applicant: ZTE Corporation
    Inventors: Chulong Liang, Jin Xu, Zhifeng Yuan, Liguang Li, Guanghui Yu, Jian Kang, Qiang fu
  • Publication number: 20250141645
    Abstract: An information transmission method and an apparatus, a base station, a user equipment, a storage medium, and a program product are disclosed. The method may include: receiving a transport block (TB) sent by at least one second node, where the TB forms a TB set; obtaining information about a set of correct TBs according to the RB set; encoding the information about the set of correct TBs to obtain feedback information, where the feedback information is used to represent a reception condition of the TB sent by the at least one second node, and the encoding processing may include performing binary representation on the information about the set of correct TBs; and sending the feedback information to the at least one second node.
    Type: Application
    Filed: May 15, 2023
    Publication date: May 1, 2025
    Applicant: ZTE Corporation
    Inventors: Chulong Liang, Jin Xu, Zhifeng Yuan, Liguang Li, Guanghui Yu, Jian Kang, Qiang Fu
  • Patent number: 12289676
    Abstract: Methods, systems, and devices for power saving schemes in a wireless communication are described. A wireless communication method is provided to include obtaining, by a network device, one or more parameters of a user device, determining, by the network device, whether the one or more parameters satisfy a predetermined condition, and configuring the user device in a power saving mode based on the one or more parameters.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 29, 2025
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Mengzhu Chen, Xiaoying Ma, Jin Xu
  • Publication number: 20250088310
    Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence c having K bits, wherein the output bit sequence is determined based on an output of a polar transform and an output of a repetition operation, and wherein the input of the repetition operation is a portion of a bit sequence before the polar transform. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.
    Type: Application
    Filed: November 4, 2024
    Publication date: March 13, 2025
    Inventors: Chulong LIANG, Wei ZHAO, Jin XU, Liguang LI, Guanghui YU, Jian KANG, Qiang FU
  • Publication number: 20250070912
    Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are described. One example method includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits, wherein the output bit sequence is determined by 1) performing a polar transform with H components and 2) performing either no pre-transform or at least two pre-transform operations; wherein the polar transform is based on H polar matrices G(N0), G(N1), . . . , G(NH?1), wherein H, K and E are integers greater than 1, wherein a polar matrix G(Ni) is of size Ni. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 27, 2025
    Inventors: Chulong LIANG, Wei ZHAO, Jin XU, Liguang LI, Guanghui YU, Jian KANG, Qiang FU
  • Publication number: 20250062779
    Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits, wherein the output bit sequence is determined by performing a polar transform with H components and a pre-transform; wherein the polar transform is based on H polar matrices G(N0), G(N1), . . . , G(NH?0), wherein E, K, H are integers greater than 1, wherein a polar matrix G(N0) is of size Ni. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.
    Type: Application
    Filed: October 31, 2024
    Publication date: February 20, 2025
    Inventors: Chulong LIANG, Wei ZHAO, Jin XU, Liguang LI, Guanghui YU, Jian KANG, Qiang FU
  • Publication number: 20250055595
    Abstract: Methods, apparatus, and systems that relate to Polarization-Adjusted Convolutional (PAC) coding with variable lengths are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits. The output bit sequence is determined based on a transform that is applied prior to applying a Polar transform having a size of N. The transform is based on at least one index set that is a subset of a set of bit indices. The set of bit indices comprises all non-negative integers that are less than N and wherein K<N and K<E. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 13, 2025
    Inventors: Chulong LIANG, Jin XU, Wei ZHAO, Liguang LI, Guanghui YU, Jian KANG, Qiang FU
  • Patent number: 12218686
    Abstract: A quasi-cyclic LDPC coding and decoding method and apparatus, and an LDPC coder and decoder. The method includes: determining from a mother basis matrix set a basis matrix used for low density parity check (LDPC) coding (S202), wherein the basis matrix used for LDPC coding includes a first-type element and a second-type element, the first-type element corresponds to an all-zero square matrix, the second-type element corresponds to a matrix obtained by means of a cyclic shift of a unit matrix according to a value of the second-type element, and dimensions of the all-zero square matrix and the unit matrix are equal; and performing LDPC coding on an information sequence to be coded according to the basis matrix used for LDPC coding, and/or performing LDPC decoding on a data sequence to be decoded according to the basis matrix used for LDPC coding (S204).
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: February 4, 2025
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Jin Xu
  • Publication number: 20240389094
    Abstract: Methods, systems, and devices for an adaptive parameter configuration in wireless communication are described. A wireless communication method is provided to comprise updating configuration parameters of a user device based on one or more messages including at least one of a parameter update indication, a parameter update inquiry, a parameter set, or a parameter index set.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Applicant: ZTE Corporation
    Inventors: Mengzhu CHEN, Liguang LI, Jun XU, Jin XU
  • Publication number: 20240372771
    Abstract: Disclosed are a data transmission method, a communication node, and a non-transitory computer readable storage medium. The method is applied to a first communication node and may include: acquiring a first bit sequence f0, f1, f2, . . . , fE?1; mapping every Qm bits in the first bit sequence f0, f1, f2, . . . , fE?1 to one complex-valued modulation symbol based on a Regular Amplitude Phase Shift Keying (RAPSK) constellation to obtain a symbol sequence x0, x1, x2, . . . , xE/Qm-1, wherein E denotes a length of the first bit sequence and is a positive integer, Qm denotes a modulation order of RAPSK modulation, and the RAPSK constellation has 2Qm constellation points; and transmitting the symbol sequence x0, x1, x2, . . . , xE/Qm?1 to a second communication node.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 7, 2024
    Applicant: ZTE Corporation
    Inventors: Chulong Liang, Jin Xu, Liguang Li, Guanghui Yu, Jian Kang, Qiang Fu
  • Patent number: 12101756
    Abstract: Methods, systems, and devices for an adaptive parameter configuration in wireless communication are described. A wireless communication method is provided to comprise updating configuration parameters of a user device based on one or more messages including at least one of a parameter update indication, a parameter update inquiry, a parameter set, or a parameter index set.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: September 24, 2024
    Assignee: ZTE Corporation
    Inventors: Mengzhu Chen, Liguang Li, Jun Xu, Jin Xu
  • Publication number: 20240267150
    Abstract: A data transmission method, a device, and a storage medium are disclosed. The method may include sending a Modulation and Coding Scheme (MCS) index value to a second communication node; where, the MCS index value is indicative of one sets of parameters of a plurality sets of parameters in an MCS index table; and at least one set of the plurality sets of parameters in the MCS index table correspond to Regular Amplitude Phase Shift Keying (RAPSK) modulation.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 8, 2024
    Applicant: ZTE Corporation
    Inventors: Chulong Liang, Jin Xu, Liguang Li, Guanghui Yu, Jian Kang, Qiang Fu
  • Patent number: 12052095
    Abstract: Provided are a data communication processing method and device. The method includes: acquiring a modulation order and a target code rate; calculating an intermediate number Ninfo of information bits at least according to a total number of resource elements, the modulation order and the target code rate; quantizing the intermediate number Ninfo of the information bits to obtain the quantized intermediate number N?info; determining a transport block size (TBS) according to the quantized intermediate number N?info.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: July 30, 2024
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Zhisong Zuo, Hao Wu, Yu Xin, Luanjian Bian, Jin Xu
  • Publication number: 20240048160
    Abstract: A low density parity check encoding method, including: determining a target parity check matrix, where the target parity check matrix belongs to a second parity check matrix set, and a base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set and performing low density parity check encoding on data to be transmitted according to the target parity check matrix and a target lifting size.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 8, 2024
    Applicant: ZTE CORPORATION
    Inventors: Liguang LI, Jin XU, Guanghui YU, Chulong LIANG, Jun XU, Qiang FU, Jian KANG
  • Patent number: 11843394
    Abstract: Provided are a processing method and device for quasi-cyclic low density parity check (LDPC) coding. The processing method for LDPC coding includes: determining, according to a data feature of an information bit sequence to be encoded, a processing strategy for the quasi-cyclic LDPC coding according to a data feature of an information bit sequence to be encoded; and performing, according to the processing strategy and based on a base matrix and a lifting size, the quasi-cyclic LDPC coding and rate matching output on the information bit sequence according to the processing strategy, a base matrix and a lifting value. This technical solution is able to improve adaptability and flexibility of the quasi-cyclic LDPC coding.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: December 12, 2023
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Jin Xu
  • Publication number: 20230344450
    Abstract: A quasi-cyclic LDPC coding and decoding method and apparatus, and an LDPC coder and decoder. The method includes: determining from a mother basis matrix set a basis matrix used for low density parity check (LDPC) coding (S202), wherein the basis matrix used for LDPC coding includes a first-type element and a second-type element, the first-type element corresponds to an all-zero square matrix, the second-type element corresponds to a matrix obtained by means of a cyclic shift of a unit matrix according to a value of the second-type element, and dimensions of the all-zero square matrix and the unit matrix are equal; and performing LDPC coding on an information sequence to be coded according to the basis matrix used for LDPC coding, and/or performing LDPC decoding on a data sequence to be decoded according to the basis matrix used for LDPC coding (S204).
    Type: Application
    Filed: April 24, 2023
    Publication date: October 26, 2023
    Inventors: Liguang LI, Jun XU, Jin XU
  • Patent number: 11791933
    Abstract: Provided are a data encoding method and device, a storage medium, and a processor. The method includes: obtaining data to be sent; performing quasi-cyclic low-density parity check (LDPC) encoding on the data to be sent to obtain an LDPC codeword sequence, and interleaving the LDPC codeword sequence to obtain an interleaved LDPC codeword sequence; performing cyclic bit selection on the interleaved LDPC codeword sequence from a starting position to obtain a rate-matched codeword sequence, where the starting position is determined according to a predetermined parameter; and sending the rate-matched codeword sequence. The solution above resolves the problem in the related art of unstable transmission after performing quasi-cyclic LDPC encoding on data to be transmitted, and achieves stable transmission after the quasi-cyclic LDPC encoding.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: October 17, 2023
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Jin Xu
  • Publication number: 20230320851
    Abstract: Some embodiments of the disclosure provide a valve clip delivery device. The valve clip includes at least two clamping members, and is further provided with a self-locking mechanism. The valve dip delivery device includes a handle and a catheter, wherein the handle includes a housing, a clamping control assembly and a locking control assembly, wherein a proximal end of the catheter is fixedly connected with a distal end of the housing, the clamping control assembly and the locking control assembly are both disposed on the housing, the locking control assembly is connected with the self-locking mechanism and is configured to control the valve clip to be switched between an unlocked state and a self-locking state, and the clamping control assembly is configured to control the at least two clamping members to be opened or closed when the valve clip is in the unlocked state.
    Type: Application
    Filed: June 10, 2023
    Publication date: October 12, 2023
    Inventors: Tingchao ZHANG, Liguang LI, Weiwei ZHANG
  • Patent number: 11777528
    Abstract: A system and method for allocating network resources are disclosed herein. In one embodiment, the system and method are configured to perform: determining a redundancy version and a new data indicator indicated by control information; determining a base graph of a low density parity check code based on which of a plurality of predefined conditions the redundancy version, and/or the new data indicator satisfy; and sending a signal comprising information bits that are encoded based on the determined base graph of the low density parity check code.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: October 3, 2023
    Assignee: ZTE CORPORATION
    Inventors: Liguang Li, Jun Xu, Jin Xu
  • Patent number: 11728830
    Abstract: Methods and Apparatus for processing data encoded by low density parity check (LDPC) in a communication system are disclosed herein. In one embodiment, a method performed by a first node is disclosed. The method comprises: encoding an information bit sequence based on an LDPC coding scheme to obtain an encoded bit sequence; generating a master bit sequence based on the encoded bit sequence; selecting a subset of the master bit sequence according to a rate matching rule to obtain a rate matched bit sequence; interleaving the rate matched bit sequence according to a predetermined index sequence to obtain a to-be-transmitted bit sequence; and transmitting the to-be-transmitted bit sequence to a second node.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: August 15, 2023
    Assignee: ZTE CORPORATION
    Inventors: Liguang Li, Jun Xu, Jin Xu