ber_compare.m

matlab通信仿真

% 不同二进制系统在采用不同的解调方式下的性能比较

Eb_n0=0.1:0.2:100;

P_2ASK_相干(Eb_n0)=Qfunct(sqrt(Eb_n0));
P_2ASK_非相干(Eb_n0)=0.5*exp(-Eb_n0/2);

P_2FSK_相干(Eb_n0)=Qfunct(sqrt(Eb_n0));
P_2FSK_非相干(Eb_n0)=0.5*exp(-Eb_n0/2);

P_BPSK(Eb_n0)=Qfunct(sqrt(2*Eb_n0));

P_2DPSK_相干(Eb_n0)=2*Qfunct(sqrt(2*Eb_n0))*(1-Qfunct(sqrt(2*Eb_n0)));
P_2FSK_非相干(Eb_n0)=0.5*exp(-Eb_n0);