中文说明：这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。
English Description：
This is a relatively complete simulation design of OFDM communication system, including coding, modulation, IFFT, up and down conversion, Gaussian channel modeling, FFT, PAPR suppression, various synchronization, demodulation and decoding modules. The simulation of system performance verifies the reliability of the system design.