map_bound_rayleigh.asv

短波信道抗多音干扰的性能分析及其仿真

function Pb=map_bound_rayleigh(BPH,rho_in_db)
%this function computes the MAP demodulation
%bit error bound

%G(D)=3*D^3+18*D^5+81*D^7;
rho=10^(rho_in_db/10);
D=(4*(1+rho
G=3*D^3+18*D^5+81*D^7;
Ps=G/2;
t=2^(BPH-1)/(2^BPH-1);
Pb=t*Ps;