公开(公告)号：US11632190B2

公开(公告)日：2023-04-18

申请号：US17152017

申请日：2021-01-19

Applicant: ZTE CORPORATION

Inventor： Jun Xu ,  Bo Dai ,  Zewei Chen ,  Jin Xu ,  Xiaomei Xu ,  Huiying Fang

IPC: H04L1/00 ,  H04W4/80 ,  H04L1/18 ,  H04L27/00 ,  H04L27/36 ,  H04W72/04 ,  H04L1/1812

Abstract: A method, a device and a system of determining a transmission parameter of a data shared channel are provided. The method includes: receiving downlink control information including a field configured to determine a transmission parameter of a data shared channel; and determining the transmission parameter according to the field.

公开(公告)号：US20220360391A1

公开(公告)日：2022-11-10

申请号：US17641944

申请日：2020-07-21

Applicant: ZTE Corporation

Inventor： Jian Hua ,  Yu Xin ,  Jun Xu

IPC: H04L5/00 ,  H04L27/26

Abstract: Disclosed are a sequence generation method, a sequence generation apparatus and a non-transitory computer-readable storage medium. The sequence generation method may include generating a first sequence according to a pre-generated random sequence, and using the first sequence as a reference signal sequence. The first sequence has a plurality of elements which are all in a form of complex numbers and have a same modulus value, a phase difference between two adjacent elements is less than π/2, and the modulus value is an amplitude value indicating signal strength.

公开(公告)号：US20220030584A1

公开(公告)日：2022-01-27

申请号：US17489323

申请日：2021-09-29

Applicant: ZTE Corporation

Inventor： Yong Li ,  Hao Wu ,  Zhaohua Lu ,  Jun Xu

IPC: H04W72/04 ,  H04B7/06

Abstract: Provided are an information mapping method, an information acquisition method, a terminal device, and a network device. The information mapping method includes mapping at least one information domain of channel state information to at least one field of uplink control information, dividing the at least one field into a first partial field and a second partial field, generating a first bit sequence based on the first partial field, and generating a second bit sequence based on the second partial field.

公开(公告)号：US20210409039A1

公开(公告)日：2021-12-30

申请号：US17468606

申请日：2021-09-07

Applicant: ZTE Corporation

Inventor： Mengzhu CHEN ,  Jin Xu ,  Jun Xu

IPC: H03M13/15 ,  H03M13/09

Abstract: Provided are a data processing method and device. The data processing method includes: performing Polar code encoding on an input bit sequence having a length of K bits to obtain an encoded bit sequence having a length of N bits, and determining a bit sequence to be transmitted from the encoded bit sequence according to a data characteristic of an information bit sequence and a predetermined rate matching scheme. K is a positive integer and N is a positive integer greater than or equal to K.

公开(公告)号：US11159178B2

公开(公告)日：2021-10-26

申请号：US16727714

申请日：2019-12-26

Applicant: ZTE Corporation

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu

IPC: H03M13/11 ,  H04L1/00

Abstract: Provided is a design method and apparatus for quasi-cyclic low-density parity-check (LDPC) encoding. The method includes: performing LDPC encoding on a K-bit information sequence to be encoded according to a parity check matrix of a quasi-cyclic LDPC code to obtain an N-bit LDPC encoded sequence, where the parity check matrix is determined according to a basic matrix and a lifting size Z, and the basic matrix is determined according to the lifting size Z and a coefficient matrix, where K is a positive integer, N is an integer greater than K, and Z is a positive integer.

公开(公告)号：US11139835B2

公开(公告)日：2021-10-05

申请号：US16730962

申请日：2019-12-30

Applicant: ZTE Corporation

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu

IPC: H03M13/00 ,  H03M13/11 ,  H03M13/29 ,  H03M13/09

Abstract: The embodiments of the present disclosure provide a method and an apparatus for data processing with structured LDPC codes. The method includes: obtaining a code block size for structured LDPC coding; determining a coding expansion factor z based on at least one of the code block size, a parameter kb of a basic check matrix, a positive integer value p or the basic check matrix having mb rows and nb columns; and encoding a data sequence to be encoded, or decoding a data sequence to be decoded, based on the basic check matrix and the coding expansion factor. The present disclosure is capable of solving the problem in the related art associated with low flexibility in data processing with LDPC coding and improving the flexibility in data processing with LDPC coding.

公开(公告)号：US10986621B2

公开(公告)日：2021-04-20

申请号：US16069289

申请日：2017-03-09

Applicant: ZTE CORPORATION

Inventor： Jun Xu ,  Bo Dai ,  Jin Xu ,  Zewei Chen ,  Huiying Fang

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00 ,  H04L1/18 ,  H04L27/26

Abstract: Disclosed are a method, device and system for determining a coding modulation parameter. The method includes: a terminal receives downlink control information from a base station, and determines a coding modulation parameter according to a domain, within the downlink control information, used for determining the coding modulation parameter. In the present invention, a coding modulation parameter is determined according to a domain, within downlink control information, used for determining the coding modulation parameter, thereby implementing coding modulation parameter determination for an NB-IOT system.

公开(公告)号：US10985863B2

公开(公告)日：2021-04-20

申请号：US16324241

申请日：2017-08-01

Applicant: ZTE CORPORATION

Inventor： Jian Li ,  Yu Ngok Li ,  Jun Xu ,  Peng Hao ,  Nan Zhang

IPC: H04L1/00 ,  H04W76/27 ,  H04L27/36 ,  H04W72/04

Abstract: A method and apparatus for transmitting a transport block, and a method and apparatus for receiving a transport block are provided. The method includes: acquiring, by a transmitting node, a data signal obtained by performing a process of a physical layer procedure on the transport block, where the physical layer procedure at least includes channel coding and modulating, one transport block has multiple modulating and coding schemes, the multiple modulating and coding schemes include multiple modulating schemes, or multiple coding schemes, or multiple modulating schemes and multiple coding schemes; and transmitting, by the transmitting node, the data signal and a control signal corresponding to the data signal to a receiving node.

公开(公告)号：US10931501B2

公开(公告)日：2021-02-23

申请号：US16752486

申请日：2020-01-24

Applicant: ZTE CORPORATION

Inventor： Yu Xin ,  Guanghui Yu ,  Jun Xu

IPC: H04L27/26 ,  H04J11/00 ,  H04B1/04

Abstract: Provided is a data processing method and apparatus. The method includes: performing an inverse fast Fourier transform (IFFT) on frequency-domain data of L consecutive symbols to obtain time-domain data of the L consecutive symbols, wherein the frequency-domain data of the L consecutive symbols have a subcarrier spacing of fsc, and L≥2; and modulating the time-domain data of the L consecutive symbols with a preset function, where the modulated time-domain data of the L consecutive symbols have a symbol interval of 1/f1, and f1

公开(公告)号：US10892778B2

公开(公告)日：2021-01-12

申请号：US16301290

申请日：2017-01-06

Applicant: ZTE CORPORATION

Inventor： Jun Xu

IPC: H03M13/11 ,  H03M13/00

Abstract: Provided is an encoding method and device and a decoding method and device for structured LDPC. The encoding method includes: determining a base matrix used for encoding and performing an LDPC encoding operation on a source information bit sequence according to the base matrix and an expansion factor Z corresponding to the base matrix to obtain a codeword sequence, where Z is a positive integer. The base matrix includes multiple submatrices and the submatrices include an upper-left submatrix Hb1 and an upper-left submatrix Hb2, and the upper-left submatrix Hb1 is an upper-left submatrix of the upper-left submatrix Hb2.