●●● To conclude-3 ●●●● ●●●● ●●●● ◆MPSK R,=nR, Summary of Performance of Various Digital Modulation Methods(coherent) E/no(dB)for Bandwidth BWE:n bps/Hz Modulation Type P.=10-5 Efficiency binary ASK 15.6 1 binary FSK 12.6 1 binary PSK 9.6 1 QPSK(4-QAM) 9.6 2 8-PSK 13.0 3 16-PSK 18.7 4 16-QAM 13.4 4 64-QAM 17.8 6 ◆Channel Capacity C:the maximum data rate capacity of the C=B1og2(1+ channel (bps);B:the bandwidth (Hz); noB S:the signal power (W);n/2:the two-sided PSD of the gaussian noise (W/Hz). Chapter 10 Receiver接收机—2W+1HTo conclude-3 BWE: n bps/Hz  MPSK  Channel Capacity C : the maximum data rate capacity of the channel (bps); B: the bandwidth (Hz); S: the signal power (W); n0/2: the two-sided PSD of the gaussian noise (W/Hz). Rb s  nR 2 0 1 ( sin ) s e E P erfc n nM  Chapter 10 Receiver 接收机——2W+1H