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density evolution for LDPC codes design and some related documents
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A collection of LDPC(Low-Density Parity-Codes) tools. Including: Code construction Density Evolution Decoding Algorithm Girth average Counter Stopping set and error Floor,etc
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LDPC码密度进化程序，加入了自己的一些见解。,the programe of LDPC codes density evolution, with some personal viewpoint.
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GA.c：Density Evolution with Gaussian Approximation for Regular LDPC codes.原创，对应Chung的paper。-
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LDPC的密度演化算法，C++写的，执行速度很快。-LDPC density evolution algorithm, C++ written in the implementation of the fast.
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关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th
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关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th
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关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th
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关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th
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关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th
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This code provides the density evolution for a regular (3, 6) LDPC code. The code finds the proper threshold for SNR of the sender.
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The code provides a noisy belief propagation density evolution algorithm for a (3, 6) LDPC code.
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Density Evolution, the classical paper for the Density Evolution Algorithm of LDPC
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LDPC码理论方面的高性能密度进化仿真测试例程，可以跑出数值结果-LDPC DENSITY EVOLUTION
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系统地阐述了低密度校验码基于图模型的编译码思想，介绍了密度进化理论，对影响低密度校验码纠错性能的两个主要因素——度序列设计和围长设计进行了深入分析，详细介绍并设计了LDPC的编解码-Systematic exposition of the LDPC graph model based codecs idea, introduces the density evolution theory, the two main factors that affect the performance of L
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Abstract—Selection combining cascaded with maximum-ratio
combining (SC/MRC), which is particularly useful when site
diversity is available, combined with low-density parity-check
(LDPC) codes is able to combat the effects of fading. The biterro
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LDPC译码过程的密度进化程序，值得学习参考-density evolution code for ldpc decoding, which is worth reading for the IT workers.
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Density Evolution LDPC
regular LDPC
irregular LDPC
(Matlab)
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chan_mess.m
de_irregular.m
de_regular.m
irregular.m
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LDPC-PEG算法构造H矩阵源码程序，matlab源码程序 clear all;
clc;
%输入编码参数,m:校验节点数目，n:变量节点数目(注意码率R不一定为1/2)
%构造任意码率的LDPC校验矩阵
m=input('The number of check nodes:');
n=input('The number of variable nodes:');
h=zeros(m,n);
%给定变量节点度分布序列 dv=0.38354*x+0.04237*x^2+0.5740
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