MB iterative decoding algorithm on systematic LDGM codes: Performance evaluation

Cheng Chun Chang; Zhi Hong Mao; Heung No Lee

doi:10.1016/j.sigpro.2009.05.019

MB iterative decoding algorithm on systematic LDGM codes: Performance evaluation

Cheng Chun Chang
, Zhi Hong Mao
, Heung No Lee

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	373-377
Number of pages	5
Journal	Signal Processing
Volume	90
Issue number	1
DOIs	https://doi.org/10.1016/j.sigpro.2009.05.019
State	Published - Jan 2010

Keywords

Majority-rule decoding
Performance bounds
Systematic LDGM codes

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10.1016/j.sigpro.2009.05.019

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abstract = "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.",

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AB - 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.

KW - Majority-rule decoding

KW - Performance bounds

KW - Systematic LDGM codes

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MB iterative decoding algorithm on systematic LDGM codes: Performance evaluation

Abstract

Keywords

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