该代码实现的是基于梳状导频的OFDM系统信道估计，对初学者学习信道估计很有帮助。-The code is based on the comb pilot OFDM system channel estimation, channel estimation for beginners to learn helpful.

基于SIMULINK的完整OFDM系统，包括RS信道编码，交织，多种方式调制解调，插入导频，串并变换，信道估计，信道均衡等关键技术。-Based on SIMULINK complete OFDM system, including RS channel coding, interleaving, a variety of ways modulation and demodulation, insertion pilot, serial and parallel conversion, chan

实现基于STBC的MIMO_OFDM通信系统在不同信噪比情况下接收端的误比特率的仿真。发射端包括基于基带调制、空时编码、导频插入、IFFT、串并合并以及添加循环前缀；接收端包括去除循环前缀、取出导频估计信道、FFT运算以及并串合并，空时解码等。仿真中采用QPSK、空时编码采用4*3的复正交空时编码矩阵。OFDM子载波数为100，每个子载波传输66个符号，每个符号2比特。IFFT长度为512个符号。发射天线为3个接收天线为2个。(The BER simulation of MIMO_OFDM co

mimo-ofdm系统基于梳状导频的信道估计,使用最小二乘法,线性内插,(Mimo-ofdm system based on comb pilot channel estimation, using the least square method, linear interpolation,)