OFDM的MATLAB系统仿真，使用QPSK调制、梳状导频LS信道估计，并且还进行了LS和MMSE信道估计方法的性能比较,MATLAB simulation of the OFDM system, QPSK modulation, combed pilot LS channel estimation, and performance comparison of LS and MMSE channel estimation

基于MATLAB的OFDM信道估计，LS信道估计，rayleigh信道,MATLAB-based OFDM channel estimation, LS channel estimation, rayleigh channel