Orthogonal Frequency Division Multiplexing(OFDM) signal simulation-Orthogonal Frequency Division Multiplex ing (OFDM) signal simulation

本程序中得到的收端OFDM信号的频谱波形，是与其发端信号的排步有关的。在发端的 ％ 载波安排上，128个载波有前后各32个载波是null载波(如果这前后各32各载波是带外频段， ％ 那么理论上它们都应该是零！)，中间的64个载波是数据载波。这样的排步很明显就是一个 ％ 两边低，中间高的频谱形式。所以，收端也应该是这个轮廓。 -this process the resumption end of the spectrum OFDM signal waveform, with th

ＯＦＤＭ程序　用于ＭＡＴＬＡＢ仿真　　内容为带多普勒频移的瑞利衰落信道 -OFDM procedures for the content of MATLAB with Doppler frequency shift of Rayleigh fading channels

ofdm信道特性 Channel transmission simulator Channel transmission simulator ％ ％ inputs: ％ sig2 - noise variance ％ Mt - number of Tx antennas ％ Mr - number of Rx antennas ％ x - vector of complex input symbols (for MIMO, this is a matrix, wh