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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.rar
- LDPC码编译码源程序,可生成任意非规则二进制校验矩阵,并可进行LLR BP译码,LDPC codec source code can be generated non-arbitrary rules binary check matrix, LLR BP decoding can be carried out
kmplot
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
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
Girth-twelveQC-LDPC
- The program constructs girth-twelve column-weight QC-LPDC codes. The rate can be changed by changing k(row-weight), size is changed by varying m(sub-matrix size).
Girth-eightQC-LDPC
- The algorith divides rows in to four equal groups. The rows are then used to from a distance graph which is then transformed into a matrix. girth of eight is maintained by avoiding six-cycles in the graph construction
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
- 将wimax结构化表示转为校验矩阵,用于LDPC编码仿真,适用于类似wimax中,结构化LDPC码的设计。-Wimax will be structured to express check matrix for LDPC code simulation, applicable to similar wimax, the structured LDPC code design.
const_ldpccc_mat
- Low density parity check matrix-Descr iption A program written for generating LDPC matrix in the as pattern as discussed in the research paper , " Time varying periodic convolutional codes with low density parity check matrix" by Alberto
ldpc-radford
- 构造LDPC校验矩阵的程序,包括多种方法来构造校验方程,可以自己修改。 -LDPC check matrix construction process, including a number of ways to construct the calibration equations, it can be changed.
newmat10.tar
- LDPC matrix generation
LDPC_BSN
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
const_ldpccc_mat
- This program can be used for LDPC matrix generator.
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
LDPC-v0.2 (2)
- define the matrix generator of the LDPC decoder
LDPC Algorithm realization based on CCSDS
- 本文基于 CCSDS 标准上的算法详细研究了校验矩阵的生成算法、快速编码算法、最小 和译码算法,通过仿真对掌握的情况进行验证。虽在文章中最后没有给出在硬件上实现的情 况,但是在硬件上实现时各模块的设计进行了较为详细的介绍,后续工作证明它是行之有效 的。(In this paper, based on the algorithm of CCSDS standard, the generation algorithm of parity check matrix, fast encoding alg
LDPC
- LDPC信道编码仿真。generate_h.m生成校验矩阵H。用main_encode.m程序载入校验矩阵信息,用encode.m进行编码。(LDPC channel coding simulation. Generate_h.m generates parity check matrix H. Load the check matrix information with main_encode.m program and encode with encode.m.)
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
LDPC
- 1) 生成具有大小的LDPC奇偶校验矩阵。 2) 使用BF算法对使用1)生成的码字进行解码。 3) 给出解码算法在BPSK调制和AWGN信道下,信噪比为1、1.5、2、2.5、3db时的误码概率。(1)Generate a parity check matrix of LDPC with size . 2)Use the BF algorithm to decode a codeword generated by using 1). 3)Give the bit error probabilit