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Zhan et al., 2007 - Google Patents

Quasi-cyclic LDPC codes based on D and Q matrices through progressive edge growth

Zhan et al., 2007

Document ID
18119219970590868130
Author
Zhan W
Zhu G
Peng L
Yan X
Publication year
Publication venue
2007 International Symposium on Intelligent Signal Processing and Communication Systems

External Links

Snippet

We propose a general method for constructing regular and irregular quasi-cyclic LDPC codes based on the modified PEG (progressive edge growth) graph. The idea of permutation vector is introduced. Through permutation vectors, the QC-LDPC codes based …
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    • H03M13/03Error 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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    • H03M13/1102Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1148Structural properties of the code parity-check or generator matrix
    • H03M13/116Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
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    • H03M13/1105Decoding
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    • H03M13/1148Structural properties of the code parity-check or generator matrix
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    • H03M13/65Purpose and implementation aspects
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    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3707Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
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    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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