demapper.m

uising different ICI self-cancellation scheme to see its performance

function demapper_out=demapper(mapper,map_typ)   % 1 BPSK 2 QPSK
 
if map_typ==2
      demapper_temp=sign(real(mapper));
      demapper_out=qamdemod(demapper_temp,2);
else if  map_typ==4
   
    in_demapper=sign(real(mapper));
    qu_demapper=sign(imag(mapper));
    tot_demapper=in_demapper+j*qu_demapper;
    demapper_out= qamdemod(tot_demapper,4);
  
    end
end