5.6.1 Binary modulations {,an} {,an,} Antipodal s (t)- r(t)= Recv s (t)+n(t) The signals: S,()=Agr(t), A MF-ML receiver is given by, So(1)=-AgT(t) The constellation and likelihood functions: r( E 8(T,-0 r20 f(r1s0) f(rls) 0 I=T Prob of err is computed by, 卫=1-f-afc小sh ML leads to a decision rule of :0 where,Ro=(-0,0]and R=[0,+co). 0 UESTC-Digital transmission through the AWGN channel Prof李晓峰 9