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Methods and systems for encoding and decoding for LDPC codes

專(zhuān)利號(hào)
US10868567B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Guido Montorsi; Sergio Benedetto; Yan Xin; Wei Lin; Min Yan
IPC分類(lèi)
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(shuō)明書(shū)

According to one embodiment of the present disclosure, there is provided a method for decoding a demodulated signal. The method comprises: receiving the demodulated signal, the signal having a row vector S; and decoding the 1×N row vector S with a parity check matrix Hn that is used in an encoding process; and generating a 1×N vector c=[c1, . . . , cn] to recover a 1×K source word row vector ū, wherein HncT=0, and wherein the Hn comprises a plurality of submatrices, Hn having a lifting factor Z, each submatrix having a size of Z×Z, and wherein at least one submatrix has m1 diagonals, and wherein m1. is an integer>=2.

According to one embodiment of the present disclosure, there is provided a system for performing the methods described above.

According to one embodiment of the present disclosure, there is provided a system for implementing the methods described above. In one embodiment, the system is a station. In one embodiment, the system is an access point. In one embodiment, the system is a wireless transceiver unit.

BRIEF DESCRIPTION OF THE DRAWINGS

Reference will now be made, by way of example, to the accompanying figures which show example embodiments of the present application, and in which:

FIG. 1A is a block diagram illustrating an example communications system in accordance with one implementation of the present disclosure;

FIG. 1B is a block diagram illustrating an example processing system in accordance with one implementation of the present disclosure;

權(quán)利要求

1
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