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I have aatched C code for Linear parity check matrix.
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Low-density parity-check (LDPC) codes are a class of linear block LDPC
codes. The name comes from the characteristic of their parity-check
matrix which contains only a few 1’s in comparison to the amount of
0’s. Their main advantage is that the
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decoder of Hamming
Use a [7,4] Hamming code.
m = 3 n = 2^m-1 k = n-m
parmat = hammgen(m) Produce parity-check matrix.
trt = syndtable(parmat) Produce decoding table.
recd = [1 0 0 1 1 1 1] Suppose this is the received vector.
syndrome =
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generate the parity check matrix
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本程序是用来查找LDPC parity-check matrix中的cycle的. 以次可以方便知道girth 的情况.-This program is used to find all the cycles in the parity-check matrix of the LDPC codes. By using this program we can also know the girth condition of our codes.
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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.
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it is a ldpc parity check matrix
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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
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this code to generate parity check matrix of Low density parity check cod, and encode in order to codeword-this code to generate parity check matrix of Low density parity check cod, and encode in order to codeword
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Construct a Low Density Parity Check Matrix for the three code rate of DTMB standart of TDT. The data has obtain of GB2006-20600 paper.
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how to construct the parity check matrix for LDPC codes
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from Shortten DVB-S2 LDPC 64800 code into 8100
The program can produce the parity check matrix of DVB-S2 LDPC 64800 with short length code of 8100.
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对低密度校验矩阵的重建算法，LDPC应用在压缩感知中的一种算法-Low density parity check matrix of the reconstruction algorithm of LDPC applications in compression of the perception of an algorithm
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parity check matrix in the LDPC code
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QC_LDPC Parity check matrix For N=256
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LDPC Encoder and Parity check matrix file for Chinese Digital Tv transmission-LDPC Encoder and Parity check matrix file for Chinese Digital Tv transmission..
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Source code to Generate Parity check matrix for 0.4 Code Rate for chinese Standard.
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this an implementation of ldpc encoder and decoder in matlab. generator matrix, parity check matrix and the chennel are implemented seperately. the bit error rate performance is estimated for the ldpc code -this is an implementation of ldpc encoder a
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使用C++编写的RS码的生成矩阵和校验矩阵的实现，适合RS码编写的学习者学习。-Prepared by using C++ RS code generator matrix and parity check matrix realization learners Good RS code.
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CMMB标准下的LDPC码校验矩阵生成的Matlab程序 4608*9216的矩阵 希望对大家有帮助-CMMB standard LDPC code parity check matrix generated under the the Matlab program 4608* 9216 matrix we hope to help
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