function ber=calculaber(sinfh,Sest) bitsss=[sign(real(sinfh)) sign(imag(sinfh))]; size(bitsss); bitssing=[sign(real(Sest)) sign(imag(Sest))]; size(bitssing); bd=bitsss-bitssing; ber=sum(sum((abs(bd))/2)/(size(bd,2)*size(bd,1)));