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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

For a submatrix having a value “V” of the base matrix 604, if the entry of the corresponding lifting matrix 602 has a value of “0”, applying the lift matrix 602 to the base matrix 604 generates 4 submatrices of as follows:

V ?1 ?1 V

In FIG. 6A, in the example of the submatrix at row 1, column 1 of the base matrix 604, which has the value of “29”, as the corresponding entry at row 1, column 1 of the lifting matrix 602 has a value of “1”, applying the entry of the lifting matrix 602 with the corresponding submatrix of the base matrix 604 generates 4 submatrices as follows

?1 29

權(quán)利要求

1
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