2发2收的mimo系统通信仿真，希望对从事MIMO系统仿真的工作演员有所帮助。-2 Fat 2 collected MIMO system communication simulation, and they hope to engage in the work of MIMO system simulation actors help.

度序列优化时LDPC码设计的关键一步。本程序利用粒子群算法优化LDPC码度序列，速度较快。压缩包包括程序，优化结果，与比较文献。-Optimizing the degree sequence of a key step in designing LDPC codes. This process utilizes particle swarm optimization of LDPC code degree sequence, faster. Compressed package includes