Figure 7-7. Sequential Decoding At 64 Kbps - Comtech EF Data CDM-625 Installation And Operation Manual

CDM-625 Advanced Satellite Modem
Forward Error Correction Options
1
1E-1
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
Specification limit,
Rate 1/2 Coding,
1E-8
BPSK, QPSK, OQPSK
1E-9
1
BER
2 3 4
Uncoded BPSK/QPSK
Typical
Performance
2 3 4

Figure 7-7. Sequential Decoding at 64 kbps

5 6 7
Sequential Decoding
QPSK and OQPSK
5 6 7
7–20
MN-CDM625
Eb/No in dB
8 9 10 11
64 kbps, BPSK,
Specification limit,
Rate 7/8 Coding,
QPSK, OQPSK
Specification limit,
Rate 3/4 Coding,
QPSK, OQPSK
8 9 10 11
Revision 13
12
12