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Two Low-Complexity Reliability-Based Message-Passing Algorithms for Decoding Non-Binary LDPC Codes
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DOI：10.1109/TCOMM.2010.091310.090327.png)
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Abstract
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This paper presents two low-complexity reliability-based message-passing algorithms for decoding LDPC codes over non-binary finite fields. These two decoding algorithms require only finite field and integer operations and they provide effective trade-off between error performance and decoding complexity compared to the non-binary sum product algorithm. They are particularly effective for decoding LDPC codes constructed based on finite geometries and finite fields.
Keywords:
Reliability-based message-passing algorithms
non-binary LDPC codes
fast Fourier transform q-ary sum-product algorithm
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