本代码是基于OFDM系统的一种转换域估计算法，有整个OFDM系统及改进的信道估计算法仿真。包括LS,MMSE,LMMSE,DFT,及改进后的DCT算法。-The code is based on the OFDM system, the conversion of a domain estimation algorithm, the OFDM system and revamp the entire channel estimation algorithm for the simulation.

几种信道估计算法，LS，DFT，MMSE，学习信道估计的同学可以参考参考-Several channel estimation algorithms, LS, DFT, MMSE, learning channel estimation students can refer to the reference