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CDM-600L Satellite Modem
Forward Error Correction Options
1
1E-1
Uncoded
BPSK/QPSK
1E-2
Performance with CDM-600
Firmware Version 1.1.5
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
Typical
performance
1E-9
1
BER
Figure 7-10. Rate 1/2 QPSK, Rate 0.95 QPSK and Rate 0.95 8-PSK
2
3
4
(or higher)
Spec limit
Rate 1/2
QPSK/OQPSK
2
3
4
5
6
7
Comtech Turbo Product Codec
Rate 1/2 QPSK/OQPSK
Rate 0.95 QPSK/OQPSK
and 8-PSK
Spec limit
Rate 0.95
QPSK/OQPSK
Spec limit
Rate 0.95
5
6
7
7–20
MN/CDM600L.IOM
Eb/No in dB
8
9
10
11
Uncoded
8-PSK
8-PSK
8
9
10
11
Revision 0
12
12
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