5.6.2 MPAM {,an} {,an,} MPAM (Baseband) s,(t) r(I)= Recv a. s (t)+n(t) 1,2.…M0 The signals:s(t)=Ag(t) A MF-ML receiver is given by, (Oten,Am=±1，±3，.) r() Tme1 :-j店&0 E -0 1=T f(rIs) Prob of err is computed by, 卫=1-f小，h-f小s where,Ro=(-00,0]and R=[0,+0). UESTC-Digital transmission through the AWGN channel Prof李晓峰 6