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LDPC译码算法,采用优化算法APP LLR-LDPC decoding algorithm using optimization algorithms APP NBC
Update : 2025-02-19 Size : 1kb Publisher : 陈小车

There is an example of how to use the LDPC encode/decode with AWGN channel model in files .\ldpc_decode.m and .\GFq\ldpc_decode.m. There are a few parity check matrices available in the code but you can use other matrices provided you have enough memory to load them. I suggest checking out matrices in Alist format available on David MacKay s web site.You will need to have access to a MEX compiler to be able to use a few functions written in C. LDPC的仿真代码-There is an example of how to use the LDPC enc ode/decode with AWGN channel model in files. \ l dpc_decode.m and. \ GFq \ ldpc_decode.m. There are a few parity check matrices available in the code but you can use other matrices provided you have enough memory to load them. I suggest check ing out matrices in Alist format available on Da vid MacKay's web site.You will need to have acces MEX's to a compiler to be able to use a few function 's written in C. Simulation LDPC code
Update : 2025-02-19 Size : 580kb Publisher : 王文

利用函数MadHG生成规则LDPC码的校验矩阵H,其行重为6,列重为3,行数为列数一半(行数越大越好),H中任意两列没有围长为4的圈,并得到H对应的生成矩阵G,可以保证mod(G*H ,2)=0。使用方法为:[H,G] = MadHG(m,n,x),x= 1(得到的G左半部分为单位阵) or 2(G右半部分为单位阵),-use function MadHG Generation rules LDPC check matrix H, re-6, series of three, out for a few half of the number (A bigger the better), H 2 arbitrary no girth of the four circles, H counterparts and with the formation of matrix G, we can be assured of mod (G* H, 2) = 0. To be used : [H, G] = MadHG (m, n, x), x = 1 (the G part of the Left Front units) or 2 (G right half of the units RUF),
Update : 2025-02-19 Size : 4kb Publisher : 心海

DL : 0
利用函数MadHG生成规则LDPC码的校验矩阵H,其行重为6,列重为3,行数为列数一半(行数越大越好),H中任意两列没有围长为4的圈,并得到H对应的生成矩阵G,可以保证mod(G*H ,2)=0。使用方法为:[H,G] = MadHG(m,n,x),x= 1(得到的G左半部分为单位阵) or 2(G右半部分为单位阵),-use function MadHG Generation rules LDPC check matrix H, re-6, series of three, out for a few half of the number (A bigger the better), H 2 arbitrary no girth of the four circles, H counterparts and with the formation of matrix G, we can be assured of mod (G* H, 2) = 0. To be used : [H, G] = MadHG (m, n, x), x = 1 (the G part of the Left Front units) or 2 (G right half of the units RUF),
Update : 2025-02-19 Size : 1kb Publisher : 心海

LDPC信道编码理论详细分析及matlab算法实现-LDPC channel coding theory and a detailed analysis algorithm matlab
Update : 2025-02-19 Size : 2.58mb Publisher : xingxing

ldpc码编码程序,具有删掉小环功能,编译速度较慢-LDPC code encoding process, with the deletion of a small loop function, the compiler slower
Update : 2025-02-19 Size : 1kb Publisher : xiaoxuena

生成ldpc码稀疏矩阵的matlab仿真程序,带有消除小环功能-Generate sparse matrix LDPC code of matlab simulation program, with the elimination of the small ring function
Update : 2025-02-19 Size : 2kb Publisher : xiaoxuena

用Matlab实现的LDPC编码程序,希望对大家有用-Matlab achieved with LDPC coding procedures, we hope to be useful
Update : 2025-02-19 Size : 4kb Publisher : 李菲

DL : 0
LDPC码校验矩阵声称函数,可以根据度分布生成相应的校验矩阵,适用于码长很长的LDPC.-LDPC check matrix function claims that can be generated in accordance with the corresponding distribution check matrix, for a very long code length LDPC.
Update : 2025-02-19 Size : 2kb Publisher : xingang

ldpc码的peg构造,用c++写的,在xp上能够运行成功,是学习peg构造方法和c++编程的非常好的材料。-LDPC code peg construction, with c++ written in xp can be run successfully, is to learn from peg Construction methods and c++ programming very good material.
Update : 2025-02-19 Size : 408kb Publisher : 木木

DL : 0
LDPC 码matlab程序 ,可用matlab直接运行,输出为BER曲线-LDPC code matlab program, matlab can be used directly to run, the output for the BER curves
Update : 2025-02-19 Size : 16kb Publisher : yiiiao

这是国标数字电视地面传输标准里信道编解码器的MATLAB程序,用的是LLR-BP的解码算法,请大家指正。另有根据国标生成的生成矩阵和校验矩阵稍后传上来-This is the national standard of digital TV terrestrial transmission standard in channel codec MATLAB program, using the LLR-BP decoding algorithm, please correct me. Otherwise in accordance with GB-generated matrix and calibration matrix generation later Chuan-up
Update : 2025-02-19 Size : 1kb Publisher : 权大广

Program to generate and decode LDPC codes with matlab
Update : 2025-02-19 Size : 84kb Publisher : pouyan

低密度奇偶检验码与分层空时码的级联仿真,具有很高的价值,希望对大家有用。-Low-density parity check codes and layered space-time codes of the cascade simulation, with a very high value and hope for all of us.
Update : 2025-02-19 Size : 9kb Publisher : 张力

DL : 0
用matlab仿真了LDPC码的编码译码程序,及其用BPSK调制传输。并测其误码率-Matlab simulation of the LDPC codes with coding and decoding process, and its transmission with BPSK modulation. And measure its error rate
Update : 2025-02-19 Size : 8kb Publisher : 张利

DL : 1
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
Update : 2025-02-19 Size : 29kb Publisher : haha

LDPC WITH MATLAB CODES
Update : 2025-02-19 Size : 79kb Publisher : INDAH

raptor的MATLAB仿真程序,调试可行,有参考价值,有助于喷泉码的研究(Raptor MATLAB simulation program, debugging feasible, with reference value, contribute to fountain code research)
Update : 2025-02-19 Size : 19kb Publisher : ideaMan

DL : 0
用MATLAB实现LDPC校验矩阵H的构造(The construction of LDPC check matrix H with MATLAB)
Update : 2025-02-19 Size : 2kb Publisher : yang180418

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+0.57409*x^3 %为了得到更好的性能,此处的度分布序列采用密度进化理论选取 dv=inline('0.38354*x+0.04237*x.^2+0.57409*x.^3','x'); %计算每个度分布的节点数 indv=quadl(dv,0,1); a2=round(n*(0.38354/2/indv)); a3=round(n*(0.04273/3/indv)); ds(1:a2)=2; ds(a2+1:a3+a2)=3;(LDPC-PEG algorithm constructs H matrix source code program, matlab source code program clear all; CLC; % Input coding parameters, m: number of check nodes, n: number of variable nodes (note that bit rate R is not necessarily 1/2) % Constructing LDPC Check Matrix with Arbitrary Bit Rate M = input ('The number of check nodes:'); N = input ('The number of variable nodes:'); H = zeros (m, n); % Given variable nodal degree distribution sequence DV = 0.38354*x+0.04237*x^2+0.57409*x^3 % In order to get better performance, the density evolution theory is used to select the degree distribution sequence. DV = inline ('0.38354 * x + 0.04237 * X. ^ 2 + 0.57409 * X. ^ 3','x'); % Calculate the number of nodes per degree distribution INDV = quadl (dv, 0, 1); A2 = round (n* (0.38354/2/indv)); A3 = round (n* (0.04273/3/indv); DS (1:a2) =2; DS (a2 + 1: A3 + a2) = 3;)
Update : 2025-02-19 Size : 1kb Publisher : MATLAB编程
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