Comtech EF Data SDM-300A User Manual
Page 377
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SDM-300A Satellite Modem
Revision 6
Specifications
MN/SDM300A.IOM
19–21
19.6.7
8-PSK Performance with Noise and With/Without Reed-Solomon
Table 19-16 lists the 8-PSK specification for performance with noise and with/without
Reed-Solomon. All values are for operating in 8-PSK mode.
Table 19-16. 8-PSK Specification
Eb/N0 (dB) Specification
BER
2/3 Rate without
Reed-Solomon
2/3 Rate with
Reed-Solomon
10-6
8.7 6.1
10-7
9.5 6.4
10-8
10.2 6.6
10-9
11 6.9
10-10
11.8 7.2
19.6.8
Performance with Noise, Viterbi Decoder, and Offset QPSK
Table 19-17 lists the Viterbi and Offset QPSK specifications for the E
b
/N
0
required to
achieve 10
-3
to 10
-8
BER for different configurations.
Table 19-17. Viterbi Decoder and Offset QPSK
Eb/N0 (dB) Specification
BER
1/2 Rate
3/4 Rate
7/8 Rate
10-3
4.1 5.2 6.4
10-4
4.9 6.0 7.2
10-5
5.6 6.7 7.9
10-6
6.3 7.5 8.6
10
-7
6.9 8.2 9.2
10-8
7.5 8.8 9.9