Iterative Decoding Algorithms of LDPC Codes Using TAP Approach

被引：0

作者：

Abdelhedi, Manel ^{[1
]}

Hamdi, Omessaad ^{[1
]}

Bouallegue, Ammar ^{[1
]}

机构：

[1] ENIT, SYSCOM Lab, Tunis 1002, Tunisia

来源：

2009 GLOBAL INFORMATION INFRASTRUCTURE SYMPOSIUM (GIIS 2009) | 2009年

关键词：

LDPC codes; Ising spin; BP algorithm; BP-Based algorithm; TAP approach;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Low-density parity-check (LDPC) codes are based on random construction. Because of this randomness, it is not easy to analyze them with the traditional methods of communication theory. N.Sourlas [6] was the first to point out that LDPC codes have a similarity to Ising spin systems in statistical physics. Besides, it has been shown that the Belief-Propagation algorithm, the decoding algorithm of LDPC codes, is equivalent to the Thouless-Anderson-Palmer(TAP) [9] approach. In this paper, we develop the log-likelihood ratios-Belief Propagation (LLR-BP) and the BP-Based decoding algorithms with the TAP approach.

引用

页码：348 / 351

页数：4

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