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MB iterative decoding algorithm on systematic LDGM codes: Performance evaluation
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DOI：10.1016/j.sigpro.2009.05.019.png)
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We investigate the performance of regular systematic low-density generator matrix (LDGM) codes under the majority rule based (MB) iterative decoding algorithm. We derive a recursive form which can be used to extract the error performance of the code. Based on the recursive expression, we derive a tight non-recursive lower bound. These results can serve as efficient tools to evaluate the performance of the code for different degrees. (C) 2009 Elsevier B.V. All rights reserved.
Keyword:
Systematic LDGM codes
Majority-rule decoding
Performance bounds
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