This model is just testing an idea of MIMO, which IEEE802.11n will have. But I havo not seen the standard, I tried to make it with 11a. Actually this model would not work in real world, because the preambles were not designed to solve the

速度高达54Mbps的IEEE802.11a无线LAN协议-speeds up to 54Mbps of IEEE802.11a wireless LAN protocol

基于IEEE802.11a协议，OFDM加高斯白噪声的符号定时同步，Schmidl_Cox算法仿真代码-Based on IEEE802.11a protocol, the OFDM plus Gaussian white noise symbol timing synchronization, Schmidl_Cox algorithm simulation code

this program used for matlab implementation of ieee802.11a model