Iyengar et al., 2011 - Google Patents

Windowed decoding of protograph-based LDPC convolutional codes over erasure channels

Iyengar et al., 2011

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Document ID
7151611938222153250
Author
Iyengar A
Papaleo M
Siegel P
Wolf J
Vanelli-Coralli A
Corazza G
Publication year
Publication venue
IEEE Transactions on Information Theory

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Snippet

We consider a windowed decoding scheme for LDPC convolutional codes that is based on the belief-propagation (BP) algorithm. We discuss the advantages of this decoding scheme and identify certain characteristics of LDPC convolutional code ensembles that exhibit good …
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    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
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    • H03M13/1105—Decoding
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    • H03M13/1105—Decoding
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    • H03M13/3905—Maximum a posteriori probability [MAP] decoding and approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding; MAP decoding also to be found in H04L1/0055
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    • H03M13/2927—Decoding strategies
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    • H03M13/2742—Irregular interleaver wherein the permutation pattern is not obtained by a computation rule, e.g. interleaver based on random generators
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    • H04L1/0056—Systems characterized by the type of code used
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