这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计,此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训练符号的信道估计等通信模块。-This is a space-time block coding MIMO_OFDM communication system simulation-based design, this system include QPSK modulation and demodulation, the IFFT modulation, space-ti
