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SLM-5650 Satellite Modem Revision 2
Introduction MN/SLM5650.IOM
1–13
1.8.3.8 BER
1.8.3.8.1 BPSK/QPSK/Offset QPSK BER Performance, Viterbi Decoding
Table 1-4 applies to BPSK, QPSK, and OQPSK rates.
Table 1-4. Viterbi Decoder BER
Eb/No (dB) Specification
Viterbi Decoder
BER 1/2 Rate 3/4 Rate 7/8 Rate Uncoded
10
-3
3.8 5.0 6.3
10
-4
4.7 5.9 7.1
10
-5
5.3 6.6 7.8 10.8
10
-6
5.9 7.2 8.4 11.6
10
-7
6.5 7.8 9.0 12.4
10
-8
7.1 8.3 9.5 13.0
1.8.3.8.2 BPSK/QPSK/Offset QPSK BER Performance, Viterbi Decoding and
Reed-Solomon
Table 1-5 applies to BPSK, QPSK, and OQPSK rates.
Table 1-5. Viterbi Decoder with Reed-Solomon BER
Eb/No (dB) Specification
Viterbi Decoder with reed-Solomon
BER 1/2 Rate 3/4 Rate 7/8 Rate
10
-6
4.1 5.6 6.7
10
-7
4.4 6.0 7.1
10
-8
5.0 6.3 7.5