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LDPC采用Sum-Product译码算法的程序Java语言版。-LDPC used Sum-Product decoding algorithm procedures version of the Java language.
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LDPC码的和积算法,码长可以任意,输出多项式即可,译码输出软信息-Sum-product algorithm for LDPC codes, code length can be arbitrary, the output polynomials can be, decoder outputs soft information
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首先介绍了LDPC码的校验矩阵和其因子表示方法,然后利用二分图对和积解码算法进行了详细的描述,最后给出了信度传播概率译码算法详细步骤,并对关键公式作了证明-This paper,first introduces the check matrix and the factor graph of LDPC,then describes the
sum-product algorithm by using the factor graph,and finally presents the deta
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用C++编程的低密度奇偶校验码的和积算法,用于LDPC的译码算法-In C++ programming, low-density parity check codes and product algorithm for LDPC decoding algorithm
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有效的LDPC解码算法,详细介绍了LDPC码,并且有仿真结果-Efficient Implementations of the Sum-Product Algorithm for Decoding LDPC
Codes
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关于ldpc码和积算法译码的文章,Analysis_of_sum-product_decoding_of_low-density_parity-check_codes_using_a_Gaussian_approxi-About ldpc codes sum decoding algorithm article
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sum product algorithm in matlab
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LDPC encoder and the decoder of sum-product algorithm.
(input H matrix form is Mackay s website form)
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LDPC基本译码算法,Bit-flipping、Sum-product的MATLAB程序-Basic LDPC decode algorithm, Bit-flipping、Sum-product
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一种新型的建筑不规则低密度
奇偶检验基于所述修改(LDPC)码
渐进边增长(PEG)的算法。边缘
所述PEG算法的位置是由利用所述Sum-增强
积算法在奇偶校验矩阵的设计。该
提出的算法是在块长度和速度非常灵活。
被提议的方法构建代码的测试
AWGN信道和显著的性能改进
实现。建议解码器优化的灵活性
动作,然后由它的使用在修改所述改进的示
PEGIPEGI)算法来实现进一步的性能提升。-A novel construction for irregular
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sum product algorithm decoding of ldpc
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LDPC译码器,基于SPA算法,matlab函数。-LDPC decoder, based on sum-product algorithm. a matlab function
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LDPC encoder and the decoder of sum-product algorithm.(input H matrix form is Mackay s website form)
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Parity check bits is computed using sparse LU decomposition, utilizing sparse matrix properties of H. LDPC code decoding is done using iterative belief propagation or sum-product algorithm (SPA). Four versions of SPA decoder are presented.
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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 (
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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
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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
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