Comtech EF Data CDM-625A Installation And Operation Manual page 561

CDM-625A Advanced Satellite Modem
Appendix B
1
1E-1
Uncoded BPSK/QPSK
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
1 2
BER
Figure B-7. 16-QAM Rates 3/4 and 7/8 with Concatenated RS 220,200 Outer Code
2 3 4 5
16-QAM Viterbi, Rate 3/4 and Rate 7/8
with 220,200 RS Outer Code
Specification limit Rate
3/4 Viterbi and 220,200
3 4 5
6 7 8
Typical
Performance
RS Outer Code
6 7
B–25
MN-CDM625A
Eb/No in dB
9 10 11
Uncoded 16-QAM
Specification
limit Rate 7/8
Viterbi and
220,200 RS
Outer Code
8 9 10 11
Revision 4
12
12