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Two Enhanced Reliability-Based Decoding Algorithms for Nonbinary LDPC Codes
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DOI：10.1109/TCOMM.2015.2512582.png)
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摘要
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The weighted bit-reliability-based (wBRB) algorithm for nonbinary LDPC codes suffers certain loss of symbolreliability. Thus, this paper enhances its soft-decision version by passing multiple symbol-reliability instead of bit-reliability. Furthermore, it demonstrates that plurality robustly indicates symbol-reliability of extrinsic information-sums. Thus, this paper enhances the hard-decision version by introducing symbolreliability from plurality. Analysis results show that these two enhanced decoding algorithms significantly outperform the wBRB algorithm with reasonable overhead.
Keyword:
Nonbinary LDPC codes
bit-reliability
hard reliability
multiple symbol-reliability
plurality logic
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8.3
论文数:
1.2W
被引数:
3.6W
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