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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.
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
LDPC510_ZHM
- 产生长度为510的LDPC码，同时给出误码率，仅供参考。-Generated LDPC codes of length 510, the bit error rate is given for reference purposes only.
regular-LDPC-code
- Low Density Parity Check (LDPC) 信道编码的C程序。二部图连接关系的输入在20000.10000.3.631.txt 文件中。文件中的参数包括check，ariable节点的度数，具体的连接关系。可根据具体需要，需改你所需的txt文件，从而实现任意参数的LDPC程序仿真。经验证，此程序的性能正确，符合理论文献中的结果。-Low Density Parity Check (LDPC) codes simulation C program. This program i
ldpc_programme_in_c-11program
- LDPC编码编码程序、译码程序、生成矩阵的构造等等11个程序，均可实现运行。LDPC的设计起源于信道编码，现多用于存储器的编码设计。-LDPC-coded BP iterative decoding process, the bit rate is currently set to 0.5. Of LDPC design originated in channel coding, is used for coding of the memory design.
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
bpsk_ofdm_BCH_EN
- Modulation test for OFDM : This is a set of five (5) codes about COFDM (Coded Orthogonal Frequency Division Multiplexing) and coding schemes such as Convolutional, BCH, Reed Solomon (RS) and Low Density Parity Check (LDPC). The study uses an OFD
bpsk_ofdm_CodeConv_EN
- Modulation test for OFDM : This is a set of five (5) codes about COFDM (Coded Orthogonal Frequency Division Multiplexing) and coding schemes such as Convolutional, BCH, Reed Solomon (RS) and Low Density Parity Check (LDPC). The study uses an OFD
bpsk_ofdm_RS_EN
- Modulation test for OFDM : This is a set of five (5) codes about COFDM (Coded Orthogonal Frequency Division Multiplexing) and coding schemes such as Convolutional, BCH, Reed Solomon (RS) and Low Density Parity Check (LDPC). The study uses an OFD
bpsk_ofdm_CodeLDPC_EN
- Modulation test for OFDM : This is a set of five (5) codes about COFDM (Coded Orthogonal Frequency Division Multiplexing) and coding schemes such as Convolutional, BCH, Reed Solomon (RS) and Low Density Parity Check (LDPC). The study uses an OFD
LDPC-Decode
- LDPC基本译码算法，Bit-flipping、Sum-product的MATLAB程序-Basic LDPC decode algorithm, Bit-flipping、Sum-product
LDPC_BP
- LDPC的仿真程序，使用BP算法译码，随机方法编码，生成误码率曲线图-LDPC simulation program, the use of BP decoding algorithm, random coding method to generate the bit error rate graph
LDPC-communication-system
- A complete commuination system with PSK modulation and demodulation and LDPC bit flipping channel coding and decoding
decodeBitFlip
- function vHat decodeBitFlipping(rx, H, iteration) Hard-decision/bit flipping sum product algorithm LDPC decoder rx : Received signal vector (column vector) H : LDPC matrix iteration : Number of iteration vHat : Decoded vector (
grith4and6ldpcBER
- Bit error rate of BPSK modulated LDPC codes under AWGN channel Copyright Bagawan S. Nugroho, 2007 http://bsnugroho.googlepages.com clc clear all LDPC matrix size, rate must be 1/2 Warning: encoding - decoding can be
BFencoder
- BP LDPC 编码程序，自己编的，好用(bit filiter LDPC encoder MATLAB simulation)
BF
- ldpc码的比特反转译码算法利用C语言实现，虽然简单但比较完整(The bit inversion decoding algorithm of LDPC code is implemented in C language, which is simple but complete.)
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