5.6.2 MPAM {,an} {,an,} MPAM (Baseband) s,(t) r(0)= Recv s (t)+n(t) 1,2…Ml The signals:s(t)=Ag(t) Prob of err is computed by, (Oten,Am=±1，±3，.) Tme1 :-j店&0 =12f体h-2Mg N 2M-D0 6(log2 M)E ◆f(lsn) M M -I)No (log,M)EM k=1 3 See graph of Fig 5.55 on p315 UESTC-Digital transmission through the AWGN channel Prof李晓峰 8