Figure 8-5. Rate 7/8 Qpsk/Oqpsk, 8-Psk And 16-Qam Turbo - Comtech EF Data CDM-570 Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Forward Error Correction Options
1
1E-1
Uncoded
BPSK/QPSK
1E-2
1E-3
Spec limit
Rate 7/8
QPSK/OQPSK
1E-4
1E-5
1E-6
1E-7
1E-8
Typical performance
1E-9
1
BER

Figure 8-5. Rate 7/8 QPSK/OQPSK, 8-PSK AND 16-QAM Turbo

2 3 4 5
Spec limit
Rate 7/8
8-PSK
2 3 4 5
6 7 8
Comtech Turbo Product Codec
Rate 7/8 QPSK/OQPSK,
8-PSK and 16-QAM
6 7 8
8–14
Revision 12
MN/CDM570L.IOM
Eb/No in dB
9 10 11 12
Uncoded
16-QAM
Uncoded
8-PSK
Spec limit
Rate 7/8
16-QAM
9 10 11 12