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QC_LDPC-code-changes
- 提出了一种码率码长灵活变化的准循环低密度奇偶校验(Quasi - Cyclic Low Density Parity Check, QC - LDPC)码,利用构造出的H 矩阵可以达到较大的圈长( girth)值,并能在 girth值不变的前提下实现码率码长的灵活变化-Puts forward a bit rate code length of flexible change must circulation Low Density parity (Quasi-Cyclic Low De
generate_H
- generating H matrix for LDPC codes.
6100010GallagerH
- 用matlab 生成规则的LDPC码的校验矩阵H-Matlab to generate regular LDPC code check matrix H
LDCP
- a)Refer to the LDPC presentation slides provided, and use the input data provided below to decode the codeword Repeat a) with new matrix H, codeword and σ^2 given below-a) Refer to the LDPC presentation slides provided, and use the input data provi
genH
- matlab生成LDPC的H矩阵，消除4环，同时列重为3，很好的例子-based matlab generate H matrix of ldpc
BP
- LDPC编码中的BP算法，已知校验阵H,先验证是否有4环，并实现随机生成信息序列编码并解码。-BP LDPC coding algorithm, known check matrix H, first verify whether there are four rings, and to achieve a randomly generated sequence information encoding and decoding.
softdectry
- This soft decoding algorithm for the sumproduct implementation of the ldpc codoes. The program calculates the log likelihood ratio. And add them all in the . After running the programme type Eji to fing the final matrix of lg likelyhood ratios.H=L
G
- GENERATE G matrix from H for LDPC CODE
countRowWeight
- 统计LDPC校验矩阵H行重的程序，给定校验矩阵H，输出文件形式为m*1矩阵。-Count row weight of the check matrix of LDPC code,with the given check matrix H,the format of output file is m*1 matrix.
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 (
decodeLogDomain
- function vHat decodeLogDomain(rx, H, N0, iteration) Log-domain sum product algorithm LDPC decoder rx : Received signal vector (column vector) H : LDPC matrix N0 : Noise variance iteration : Number of iteration vHat : Decoded
SemiLOGdecodeLogDomainSimple
- SemiLOGdecodeLogDomainSimple rx : Received signal vector (column vector) H : LDPC matrix iteration : Number of iteration vHat : Decoded vector (0/1) - rx : Received signal vector (column vector) H : LDPC matrix
LDPCANDsemmidecodeProbDomain
- function vHat decodeProbDomain(rx, H, N0, iteration) Probability-domain sum product algorithm LDPC decoder rx : Received signal vector (column vector) H : LDPC matrix N0 : Noise variance iteration : Number of iteration -function
2496200GallagerH
- 关于LDPC码的生成矩阵H的Matlab仿真
rane
- 生成一个规则LDPC码的教研矩阵H,其行数(越大越好)为列数的一半-Generate a regular LDPC code research matrix H, the adults number (bigger is better) for half the number of columns
matvixfor
- Generate a regular LDPC code research matrix H, the adults number (bigger is better) for half the number of columns
50119537
- LDPC check matrix H provided by researchers MacKay and corresponding to the generator matrix of G, the weight of 6 H
signature_immediate_definition
- LDPC研究者MacKay提供的校验矩阵H和对应的G,其中H的行重12,列重6-LDPC researchers MacKay provide the check matrix of corresponding G, H and H of the line 12, the column 6
sheck
- LDPC研究者MacKay提供的校验矩阵H及对应的生成矩阵G,其中H行重为6-LDPC check matrix H provided by researchers MacKay and corresponding to the generator matrix of G, the weight of 6 H
zfecorresponding
- LDPC researchers MacKay provide the check matrix of corresponding G, H and H of the line 12, the column 6