www.gusucode.com > 基于matlab编程空间复用空时码的仿真程序源码 > 基于matlab编程空间复用空时码的仿真程序源码/2Tx,2Rx,Spatial Multiplex/demap.m
function symdata=demap(data, qam) % make decision of each data subcarrier in one OFDM symbol symdata=zeros(1,length(data)); Metric=zeros(1,qam); IQvalue=get80216map(qam); for n=1:length(data) Metric=abs(IQvalue-data(n)); index=find(Metric==min(Metric)); % find index of the minimus distance element if length(index)>1 index=index(1); disp('Uncertain'); end symdata(n)=index-1; end