Digital Signals 305
Figure 10.17 BER versus (E b /N 0 ) for baseband signaling using a binary polar
NRZ waveform. The curve also applies for BPSK and QPSK modulated
waveforms.
and
E b 10 6
10 7
N 0
10
erf( 210) > 0.9999923
Combining Eqs. (10.18) and (10.19):
BER 0.5(1 0.9999923)
6
3.9 10