Mocomtech CDM-QX - Manual (Page 174)

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision 7
Forward Error Correction Options MN/CDMQX.IOM
7–8
Figure 6-1. Viterbi Decoding
1E-9
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
1E-2
1E-1
1 2 3 4 5 6 7 8 9 10 11 12
Eb/No in dB
Specification
limit Rate 1/2
Coding
Uncoded BPSK/QPSK
Typical
Performance
Specification
limit, Rate 3/4
Coding
1 2 3 4 5 6 7 8 9 10 11 12
Specification
limit, Rate 7/8
Coding
BER
Viterbi
Decoding