公开(公告)号：US20190394674A1

公开(公告)日：2019-12-26

申请号：US16561027

申请日：2019-09-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Gongzheng Zhang ,  Yourui HuangFu ,  Lingchen Huang ,  Ying Chen ,  Yunfei Qiao ,  Rong Li

IPC: H04W28/04 ,  H04L1/00

Abstract: Embodiments of the application provide a method for transmitting data in a wireless communication network. A device of the network receives a bit sequence of K information bits. The device polar codes the bit sequence to obtain a first encoded sequence, wherein a length of the first encoded sequence is N, and N is greater than or equal to K. The device block interleaves the first encoded sequence to obtain an interleaved bit sequence. The device determines a transmission code rate R. When the transmission code rate R is less than the code rate threshold, the device outputs a second bit sequence. The length of the second bit sequence is M, M is smaller than N. The second bit sequence is punctured from the interleaved bit sequence by removing (N−M) bits from beginning of the interleaved bit sequence.

公开(公告)号：US10439759B2

公开(公告)日：2019-10-08

申请号：US16239910

申请日：2019-01-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ying Chen ,  Gongzheng Zhang ,  Lingchen Huang ,  Rong Li ,  Huazi Zhang ,  Hejia Luo

IPC: H04L1/00

Abstract: Embodiments of this application provides a communication method in a wireless communication network. A communication device obtains an information bit sequence and obtain a first sequence, wherein the first sequence comprises sequence numbers of N channels ordered in ascending order of channel reliability, wherein N is 1024 and wherein a channel whose sequence number is 0, a channel whose sequence number is 1, and a channel whose sequence number is 2 are ordered in ascending order of channel reliability; then polar encode the information bits based on the first sequence to obtain an encoded bit sequence and output the encoded bit sequence.

公开(公告)号：US20190081733A1

公开(公告)日：2019-03-14

申请号：US16118740

申请日：2018-08-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lingchen Huang ,  Shengchen Dai ,  Chen Xu ,  Yunfei Qiao ,  Rong Li

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/09

Abstract: This application provides an encoding method and apparatus in wireless communications between a network device and a terminal. The method includes: performing CRC encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and A information bits, L=11; and performing polar encoding on the first bit sequence. Based on an improved CRC polynomial, encoding satisfying an FAR requirement is implemented.

公开(公告)号：US20190081732A1

公开(公告)日：2019-03-14

申请号：US16118685

申请日：2018-08-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengchen Dai ,  Lingchen Huang ,  Gongzheng Zhang ,  Yunfei Qiao ,  Rong Li

IPC: H04L1/00

CPC classification number: H04L1/0058 ,  H03M13/00 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061

Abstract: This application provides an encoding method and apparatus in wireless communications between a network device and a terminal. The method includes: performing CRC encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and A information bits, L=6; and performing polar encoding on the first bit sequence. Based on an improved CRC polynomial, encoding satisfying an FAR requirement is implemented.

公开(公告)号：US20190044655A1

公开(公告)日：2019-02-07

申请号：US16145850

申请日：2018-09-28

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jun Wang ,  Gongzheng Zhang ,  Huazi Zhang ,  Chen Xu ,  Lingchen Huang ,  Shengchen Dai ,  Hejia Luo ,  Yunfei Qiao ,  Rong Li ,  Jian Wang ,  Ying Chen ,  NIKITA POLIANSKII ,  MIKHAIL KAMENEV ,  Zukang Shen ,  Yourui HuangFu ,  Yinggang Du

IPC: H04L1/00

Abstract: This application relates to the field of wireless communications technologies, and discloses a polar code encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the sequence numbers of the N polarized channels are arranged in the first sequence based on reliability of the N polarized channels, K is a positive integer, N is a mother code length of a polar code, N is a positive integer power of 2, and K≤N; selecting sequence numbers of K polarized channels from the first sequence in descending order of reliability; and placing the to-be-encoded bits based on the selected sequence numbers of the K polarized channels, and performing polar code encoding on the to-be-encoded bits.

公开(公告)号：US11811528B2

公开(公告)日：2023-11-07

申请号：US17491529

申请日：2021-10-01

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jun Wang ,  Gongzheng Zhang ,  Huazi Zhang ,  Chen Xu ,  Lingchen Huang ,  Shengchen Dai ,  Hejia Luo ,  Yunfei Qiao ,  Rong Li ,  Jian Wang ,  Ying Chen ,  Nikita Polianskii ,  Mikhail Kamenev ,  Zukang Shen ,  Yourui HuangFu ,  Yinggang Du

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/00 ,  H03M13/09 ,  H03M13/29

CPC classification number: H04L1/0058 ,  H03M13/13 ,  H04L1/0043 ,  H04L1/0057 ,  H04L1/0061 ,  H03M13/00 ,  H03M13/09 ,  H03M13/134 ,  H03M13/2906

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K≤N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

公开(公告)号：US11665585B2

公开(公告)日：2023-05-30

申请号：US17385338

申请日：2021-07-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengchen Dai ,  Rong Li ,  Chaolong Zhang ,  Lingchen Huang ,  Hejia Luo

IPC: H04L1/00 ,  H04W28/04 ,  H04L27/26 ,  H04W72/23

CPC classification number: H04W28/04 ,  H04L1/001 ,  H04L27/2607 ,  H04W72/23

Abstract: Examples in this application provide a wireless communication method and device. One example method includes obtaining downlink control information and a scrambled sequence from a network device, where bits corresponding to the scrambled sequence are scrambled with each piece of configuration information of a plurality of pieces of configuration information used for configuring a terminal device by the network device, each piece of the configuration information corresponds to at least one bit in the scrambled sequence, and at least one bit of the bits that correspond to each piece of the configuration information does not correspond to another piece of configuration information of the plurality of pieces of the configuration information, descrambling, based on a possible value of each piece of the configuration information, the bits corresponding to each piece of the configuration information, to obtain a descrambled sequence, and performing a check operation using the descrambled sequence and the DCI.

公开(公告)号：US11303388B2

公开(公告)日：2022-04-12

申请号：US16908252

申请日：2020-06-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hejia Luo ,  Yinggang Du ,  Rong Li ,  Lingchen Huang ,  Ying Chen

IPC: H04L1/00

Abstract: Embodiments of this application provide a method for coding in a wireless communication network. A communication device interleave a first bit sequence to obtain a first interleaved sequence having sequence number starting with a sequence number of 0, wherein the first bit sequence comprises bits for indicating timing, wherein the bits for indicating timing comprises a set of bits for indicating synchronization signal block index (SSBI); wherein the set of bits for indicating SSBI are placed in positions indicated by sequence numbers of 2, 3 and 5 in the first interleaved sequence. The devices add d first CRC bits on the first interleaved sequence to obtain a second bit sequence, interleave on the second bit sequence according to an interleave pattern to obtain a second interleaved sequence, and polar encode the second interleaved sequence to obtain the encoded sequence.

公开(公告)号：US20220109524A1

公开(公告)日：2022-04-07

申请号：US17491529

申请日：2021-10-01

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jun Wang ,  Gongzheng Zhang ,  Huazi Zhang ,  Chen Xu ,  Lingchen Huang ,  Shengchen Dai ,  Hejia Luo ,  Yunfei Qiao ,  Rong Li ,  Jian Wang ,  Ying Chen ,  Nikita Polianskii ,  Mikhail Kamenev ,  Zukang Shen ,  Yourui HuangFu ,  Yinggang Du

IPC: H04L1/00 ,  H03M13/13

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K≤N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

公开(公告)号：US11165537B2

公开(公告)日：2021-11-02

申请号：US16831852

申请日：2020-03-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chen Xu ,  Rong Li ,  Gongzheng Zhang ,  Yue Zhou ,  Lingchen Huang ,  Yunfei Qiao ,  Carmela Cozzo ,  Yiqun Ge

IPC: H04L1/00 ,  H03M13/13

Abstract: Embodiments of this application provide a method for encoding data in a wireless communication network. A communication device obtains an information bit sequence of a bit length K and a code length M. When M is greater than or equal to a first threshold and K is greater than or equal to a second threshold, the device divides the information bit sequence into p subsequences that are of an equal length K1. Then the device encodes each of the p subsequence to obtain p encoded subsequences. The device rate-matches each of the p encoded subsequences to obtain p rate matched subsequences, concatenates the p rate matched subsequences to obtain the output sequence of the code length M, then outputs the output sequence.