低密度奇偶检验码与分层空时码的级联仿真，具有很高的价值，希望对大家有用。-Low-density parity check codes and layered space-time codes of the cascade simulation, with a very high value and hope for all of us.

LDPC码的各种条件下的性能仿真，适合于初学者学习使用-LDPC codes performance simulation under various conditions, suitable for beginners to learn to use