modulate.m

[matlab]TD_SCDMA中的ZF_BLE和MMSE_BLE算法的链路仿真

%把信号调制为QPSK
function [Modulate_Signal]=Modulate(Send_Signal);
s=Send_Signal;
n=size(s);  
b=zeros(1,2);
c=zeros(1,n(2)/2);
Modulate_Signal=zeros(n(1),n(2)/2);
for jj=1:n(1),
    ss=s(jj,:);
    for ii=1:2:(n(2)-1),
        b(1)=ss(ii);b(2)=ss(ii+1);
        
        if b==[1,1],c((ii-1)/2+1)=i;    
        elseif b==[-1,1],c((ii-1)/2+1)=-1;  
        elseif b==[-1,-1],c((ii-1)/2+1)=-i; 
        elseif b==[1,-1], c((ii-1)/2+1)=1;  
        end
        
    end    
    Modulate_Signal(jj,:)=c;
end