Comtech EF Data CDM-625A - Manual (Page 558)

CDM-625A Advanced Satellite Modem MN-CDM625A
Appendix B Revision 3
B–22
Figure B-4. 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