This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collecti

关于LDPC密度进化理论分析不规则码字阈值，合理优化度分布，构造优异性能的LDPC码。以及高斯近似分析阈值的比较-Analysis of Density Evolution on the irregular LDPC code word threshold, optimize the degree distribution, excellent performance of the LDPC codes constructed. And the Gaussian approximation th