upconv_cos.m

mimo2x2天线选择系统的全系统matlab程序,先前的是dsp程序.

function Tx=upconv_cos(in_sig,fc,fs,m, theta)

% Upconversion by Kahye Song 2003-3-25
% fc : Carrier frequency
% fs : Sampling frequency

n=m:length(in_sig)+m-1;

I_cos=cos(2*pi*(fc/fs)*n+theta);

Tx = in_sig.*I_cos;