5.6.1 Binary modulations (r+d/2y2 B=1-okh-点 N。dr r+d/2 2N。 By convention,engineers evaluate performance in terms of P.~ Ep N whereE,is the average bit-energy.And is often called SNR. For binary antipodal system,E=E,=a2=d2/4,thus, P.-0 N UESTC-Digital transmission through the AWGN channel Prof李晓峰 11
5.6.1 Binary modulations {,an} {,an,} Antipedal Unipolar am s(t) r(I)= Recv 1,0 s (t)+n(t) The signals: si()=Agr(1), A MF-ML receiver is given by, s()=0 .1 r( The 1-basis;()() E-0 r20 0 I=T Prob of err is computed by, P.=P(e)=1->SP(slr)f(r)dr Leave the details to you,after class P.=0 UESTC-Digital transmission through the AWGN channel Prof李晓峰 13