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DMD50 Universal Satellite Modem
7.22.7
BER Performance (16QAM Viterbi)
1E-1
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
0
Note: Eb/No values include the effect of using Differential Decoding and V.35 Descrambling.
MN-DMD50 Revision 4
Typical
Performance
1
2
3
4
5
Figure 7-7 – DMD50 16QAM BER Performance (Viterbi)
16QAM Uncoded Theory
Specification
3/4 Rate
Specification
7/8 Rate
6
7
8
9
10
Eb/No in dB
Technical Specifications
Viterbi
Decoder
11
12
13
14
15
7–16
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