公开(公告)号：US11451324B2

公开(公告)日：2022-09-20

申请号：US17208153

申请日：2021-03-22

Applicant: ZTE Corporation

Inventor： Focai Peng ,  Jun Xu ,  Jin Xu ,  Mengzhu Chen ,  Saijin Xie ,  Xuan Ma ,  Cuihong Han

IPC: H04L1/00 ,  H03M13/00

Abstract: Methods, systems, and devices related to wireless communication are described. A method of wireless communication includes determining respective starting points of data, in accordance with Polar encoding, that are associated with each Redundancy Version (RV) of a plurality of RVs and selecting data for transmission in accordance with at least one of the plurality of RVs.

公开(公告)号：US20220140844A1

公开(公告)日：2022-05-05

申请号：US17648413

申请日：2022-01-19

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：US11271592B2

公开(公告)日：2022-03-08

申请号：US16807114

申请日：2020-03-02

Applicant: ZTE Corporation

Inventor： Mengzhu Chen ,  Jin Xu ,  Jun Xu ,  Focai Peng

IPC: H03M13/00 ,  H03M13/11 ,  G06F7/76 ,  G06F17/16 ,  H03M13/13 ,  G06F11/07

Abstract: The present disclosure provides a method and an apparatus for sequence determination, a device and a storage medium. The method for sequence determination includes: mapping a first bit sequence having a length of K bits to a specified position based on M_index to obtain a second bit sequence; applying Polar encoding to the second bit sequence to obtain a Polar encoded bit sequence; and selecting T bits based on the Polar encoded bit sequence as a bit sequence to be transmitted, where K and T are both non-negative integers and K≤T.

公开(公告)号：US11251813B2

公开(公告)日：2022-02-15

申请号：US16861990

申请日：2020-04-29

Applicant: ZTE CORPORATION

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu

IPC: H03M13/25 ,  H03M13/11 ,  H03M13/00

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.

公开(公告)号：US11228321B2

公开(公告)日：2022-01-18

申请号：US16784050

申请日：2020-02-06

Applicant: ZTE CORPORATION

Inventor： Mengzhu Chen ,  Hui Wang ,  Jin Xu ,  Jun Xu

IPC: H03M13/13 ,  H03M13/03 ,  H03M13/27 ,  H03M13/00

Abstract: A system and method for allocating network resources are disclosed herein. In one embodiment, the system and method are configured to perform: receiving, by a Polar code encoder, a plurality of information bits; encoding, by the Polar code encoder, the plurality of information bits using a construction sequence to generate a plurality of encoded information bits, wherein the construction sequence comprising a plurality of construction sequence indexes, wherein the encoding comprises placing the plurality of information bits on respective indexes according to at least one of a plurality of subsets of the construction sequence indexes; and outputting the plurality of encoded information bits.

公开(公告)号：US20210288667A1

公开(公告)日：2021-09-16

申请号：US16325030

申请日：2017-08-01

Applicant: ZTE CORPORATION

Inventor： Jin Xu ,  Jun Xu ,  Liguang Li

IPC: H03M13/11 ,  H03M13/00 ,  G06F7/40 ,  G06F7/42 ,  G06F7/499

Abstract: Provided are an encoding method and device, a decoding method and device, and a storage medium. The encoding method comprises: encoding an initial to-be-encoded bit sequence with a low density parity check code LDPC having a code rate R1, to obtain an encoded first bit sequence, where 0≤R1≤1; linearly combining at least two bit sequence segments in the first bit sequence to obtain a second bit sequence; and cascading the first bit sequence and the second bit sequence to obtain a target bit sequence having a code rate R2, where 0≤R2≤R1≤1.

公开(公告)号：US20210136757A1

公开(公告)日：2021-05-06

申请号：US17135288

申请日：2020-12-28

Applicant: ZTE CORPORATION

Inventor： Qiujin GUO ,  Jun Xu ,  Jin Xu

IPC: H04W72/04

Abstract: Methods, apparatus and systems for determining a transport block size in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed. The method comprises: receiving control information from a wireless communication node, wherein the control information includes a plurality of transmission parameters related to transport blocks to be transmitted between the wireless communication device and the wireless communication node; calculating an intermediate transport block size (TBS) for the transport blocks based on the plurality of transmission parameters; modifying the intermediate TBS to generate a modified TBS in response to an event that the intermediate TBS is smaller than a threshold; and determining a final TBS for the transport blocks based on a TBS that is closest to the modified TBS, among TBSs that are in a quantized set and not smaller than the modified TBS.

公开(公告)号：US10992426B2

公开(公告)日：2021-04-27

申请号：US16322745

申请日：2017-08-10

Applicant: ZTE CORPORATION

Inventor： Zewei Chen ,  Jun Xu ,  Jin Xu

IPC: H04J1/16 ,  H04L1/20 ,  H04B17/336 ,  H04L1/18

Abstract: Provided are a data processing method, device and node. The method includes: a second node determines that a first data sent from a first node exhibits data erasure; the second node sends feedback information to the first node, where the feedback information includes one of the following: an erasure rate, an erasure rate and an erasure position, the erasure rate is a proportion of resources that exhibit data erasure in resources corresponding to the first data, and the erasure position is a position of the resources that exhibit data erasure in the resources corresponding to the first data; the second node receiving a second data as determined according to the feedback information by the first node; the second node performs decoding according to the first item of data and the second data.

公开(公告)号：US20200304235A1

公开(公告)日：2020-09-24

申请号：US16787009

申请日：2020-02-10

Applicant: ZTE Corporation

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu

IPC: H04L1/00

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.

公开(公告)号：US10708099B2

公开(公告)日：2020-07-07

申请号：US15566771

申请日：2016-04-06

Applicant: ZTE Corporation

Inventor： Jin Xu ,  Jun Xu ,  Liguang Li

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00

Abstract: A method and apparatus for code block division are provided. The method may include the following acts. A reference information block length of a code block is determined according to an obtained division related parameter. A maximum information block length is determined according to the reference information block length and a hardware parameter. A Transport Block (TB) having a length greater than the maximum information block length may be divided into two or more code blocks according to the obtained division related parameter, the hardware parameter and the determined maximum information block length. An information length after code block division is less than the determined maximum information block length.