基於matlab編寫LDPC之編碼及BF、SPA、Log-SPA等演算法及系統錯誤率計算-The preparation of LDPC codes based on matlab and BF, SPA, Log-SPA and other algorithms and system error rate

基于matlab的ldpc码译码算法的仿真比较，包括BF、WBF，IWBF，IRRWBF四类算法的性能分析。-matlab based ldpc decode algorithm，comparing the performances of BF、WBF，IWBF，IRRWBF algorithm.