comp_exam6_2.m

the source code of Ziemer s book Digital communication. This code is related to the exercise part.

zdB = 0:2:50;			
z = 10.^(zdB/10);
beta = [1 5 10 20];
hold on
for j=1:4
K = (sqrt(3)/pi)*(beta(j)/(beta(j)+1));
a1 = exp(-(0.5/(beta(j)+1)*z));
a2 = qfn(sqrt((1/(beta(j)+1))*z));
result = K*a1./a2;
plot(zdB,result)
end
hold off
xlabel('Predetection SNR in dB')
ylabel('D_3 / D_2')