Weight distributions of LDPC code ensembles: combinatorics meets statistical physics

Weight distributions of LDPC code ensembles: combinatorics meets statistical physics
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LDPC 码系综的权重分布:组合数学与统计物理的结合

DOI:
10.1109/isit.2004.1365139
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发表时间:
2004
期刊:
International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.
影响因子:
--
通讯作者:
R. Urbanke
R. Urbanke
中科院分区:
--
文献类型:
--
作者:
Changyan Di;A. Montanari;R. Urbanke

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本文用统计物理方法和组合数学方法计算了低密度奇偶校验码集的权值分布指数。我们证明了这两种方法对于正则LDPC码是一致的。然而,对于不规则代码,情况并非如此。
The exponent of the weight distribution of low-density parity-check (LDPC) code ensembles through a statistical physics method and a combinatorics method are computed in this paper. We show that the two approaches agree for regular LDPC codes. However, for irregular codes this is not necessarily the case.
DOI: 10.1109/18.910577
发表时间: 2001-02-01
影响因子: 2.5
作者:
Richardson, TJ;Urbanke, RL
通讯作者: Urbanke, RL