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LDPC-2006-02-08.tar.gz
- Software for Low Density Parity Check Codes Radford M. Neal Version of 2006-02-08. This collection of programs and modules, written in C, is intended to support research and education concerning Low Density Parity Check (LDPC) codes. (Note, however,
LDPC_EG
- 文件给出了EG-LDPC码的三种H矩阵，可直接调用，分别为（1023,781）、（255,175）、（15,7）EG-LDPC码-File EG-LDPC codes given three H matrix, can be directly called, respectively, (1023,781), (255,175), (15,7) EG-LDPC code
ldpc
- ldpc码在AWGN信道下的性能仿真。包括geth.m,getG.m,H2G.m,decode.m,BER.m按传统的编码方案编码，生成H矩阵后转化为G矩阵，编码后送入高斯信道。仿真得到BER性能-ldpc codes in the AWGN channel performance simulation. Including geth.m, getG.m, H2G.m, decode.m, BER.m coded according to the traditional encoding sch
LDPC
- ldpc编码，随机生成H矩阵，LLR-BP算法译码，有我详细的注解，非常详尽-ldpc coding, randomly generated H matrix, LLR-BP decoding algorithm, with my detailed notes, very detailed
LDPCBSN
- LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G) -LDPC codes BER simulation under AWGN channel.
shift_choosing
- 这个程序 是用来为QC-LDPC 的parity check matrix 选择 shift values的. 其中 0 matrix 的shift value为-1.-this program is used to assign the shift values for parity-check matrix of the QC-LDPC codes. The shift value of the zero matrix is-1.
makeLdpc
- LDPC编码算法, Create R = 1/2 low density parity check matrix M : Number of row N : Number of column method : Method for distributing non-zero element {0} Evencol : For each column, place 1s uniformly at random {1} Evenboth: For each
newmat10.tar
- LDPC matrix generation
cycle test algrithm
- lDPC校验矩阵的环检测。包括4环检测算法，6环检测算法及8环检测算法。还包括一个准循环LDPC奇偶校验矩阵的生成算法。-this algrithm can search cycles in LDPC parity check matrix。It contain cycle-4 cycle-6 cycle-8 test algrithm.It also contains a algrithm for generate the LDPC quasi-cyclic parity check matr
3-5LDPC
- 3-5循环移位码是LDPC码准循环码中一种典型的构造校验矩阵的方法，较小的（155 64）码通常也是对比测试其他码的性能好坏的重要测试标准，程序详细描述了构造的步骤和方法，结果是采用AList的结果存储方法，译码性能可以由BP迭代译码直接得出-3-5 cyclic shift LDPC codes are quasi-cyclic codes in the code structure of a typical calibration matrix method, the smaller (15
LDPC_gallager
- 利用gallager的方案进行生成H矩阵，在高斯信道下得到误码率得性能仿真-The program generated using gallager H matrix, in the Gaussian channel bit error rate was obtained Simulation
const_ldpccc_mat
- This program can be used for LDPC matrix generator.
ldpc
- LCPC编码的C语言描述，给定了校验阵，计算生成矩阵并且进行编码-LCPC coded C language descr iption, given the parity matrix, computing and encoding matrix generation
PEG
- 用PEG构造法生成LDPC监督矩阵的程序-With PEG construction method to generate LDPC matrix program oversight
LPPC-H--bp
- 用来生成LDPC的H矩阵，并采用BP译码，很不错的程序-Used to generate the LDPC H-matrix, and the use of BP decoding, very good program
ldpc
- 在AWGN信道下BPSK调制LDPC码的误码率，以及调用函数“对数域和LDPC译码算法”，把发送的信号的矩阵为零矩阵，用MatlaB运行 -BPSK modulation in AWGN channel bit error rate of the LDPC code, and call the function "of the number of domains and LDPC decoding algorithm, the matrix of the transmitted signal
LDPC-checking-matrix-generation
- 两种不同的方法构造低密度校验编码的校验矩阵，两种方法的复杂度有所不同，适合编码研究的学子们-Two different coding method for constructing low-density parity check matrix, the complexity of the two methods differ for students who study coding
kuozhang
- G-LDPC扩展矩阵,如何从LDPC的基矩阵求出G-LDPC的扩展矩阵，是个很好的方法-G-LDPC matrix
ldpc
- LDPC编码描述，译码描述，稀疏H矩阵描述，基于概率运算的译码方式-LDPC coded descr iptions, decoding descr iption, sparse matrix H described decoding methods based on probability calculation
LDPC-PEG算法构造H矩阵
- 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