Page 325 - Satellite Communications, Fourth Edition
P. 325

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
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