Specifications

OM20 Universal Outdoor Modem Technical Specifications
MN-OM20– Revision 5 8–7
8.13 OM20 / BER Specifications
8.13.1 BER Performance (Viterbi)
1E-9
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
1E-2
1E-1
0 1 2 3 4 5 6 7 8 9 10 11 12
Eb/No in dB
BER
Viterbi
Decoder
Specification
1/2 Rate
Specification
3/4 Rate
Specification
7/8 Rate
Typical
Performance
B/O/QPSK Uncoded Theory
Note: Eb/No values include the effect of using Differential Decoding and V.35 descrambling.
Figure 8-1. OM20 B/O/QPSK BER Performance (Viterbi)