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Methods and systems for encoding and decoding for LDPC codes

專利號
US10868567B2
公開日期
2020-12-15
申請人
Huawei Technologies Co., Ltd.(CN Shenzhen)
發(fā)明人
Guido Montorsi; Sergio Benedetto; Yan Xin; Wei Lin; Min Yan
IPC分類
H03M13/11; H03M13/00
技術(shù)領(lǐng)域
ldpc,parity,matrix,hn,check,rows,codeword,submatrix,row,802.11ad
地域: Shenzhen, Guangdong

摘要

Methods and devices are disclosed for encoding source words and decoding codewords with LDPC matrices. The Methods and devices use a LDPC matrix Hn of lifting factor Z. The LDPC matrix Hn comprises a plurality of submatrices, each submatrix having a size of Z×Z, and at least one submatrix has m1 diagonals of “1” m1 is an integer>=2.

說明書

20 32 9 12 29 10 0 13 25 + 29 22 + 30 4 + 0 34 + 8 31 + 33 3 + 22 14 + 17 15 + 4 4 + 27 2 + 28 14 + 20 18 + 27 13 + 24 13 + 23 22 + — 24 + —

According to one embodiment of the present disclosure, the first parity check matrix H is a code rate 3/4 LDPC matrix specified in 802.11 ad, wherein the first matrix H=168 rows×672 columns, and Z=42, and wherein the second matrix Hn is generated with parameters m1=2 and m2=2, Z=42.

According to one embodiment of the present disclosure, the first parity check matrix H is a code rate 3/4 LDPC matrix, wherein the first matrix H=336 rows×1344 columns, and Z=84, and wherein the second matrix Hn is generated with parameters m1=2 and m2=2, Z=84.

According to one embodiment of the present disclosure, the second matrix Hn is

權(quán)利要求

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