seuil.m

matlab code for OFDM

% D閏ision des symboles

function symb = seuil(motif)

for k = -4:2:2
       if (real(motif) >= k && real(motif) <= (k+2))
           realsymb = (2*k+2)/2;
       else
           if (real(motif) <= -4)
               realsymb = -3;
           end
           if(real(motif) >= 4)
               realsymb = 3;
           end
       end
       
       if(imag(motif) >= k && imag(motif) <= (k+2))
           imagsymb = (2*k+2)/2;
       else
           if (imag(motif) <= -4)
               imagsymb = -3;
           end
           if(imag(motif) >= 4)
               imagsymb = 3;
           end
       end
end
symb = realsymb + i*imagsymb;