Comtech EF Data CDM-625A - Manual (Page 564)

CDM-625A Advanced Satellite Modem MN-CDM625A
Appendix B Revision 3
B–28
Figure B-10. Sequential Decoding at 512 kbps with Concatenated RS 220,200 Outer Code
BPSK, QPSK, OQPSK
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 and
220,200 Outer Code
BPSK, QPSK, OQPSK
Uncoded BPSK/QPSK
1 2 3 4 5 6 7 8 9 10 11 12
BER
Sequential with
concatenated RS 220,200
Outer Code, 512 kbps
BPSK, QPSK, OQPSK
Specification Limit
Rate 3/4 and
220,200 Outer Code
QPSK, OQPSK
Specification Limit
Rate 7/8 and
220,200 Outer Code
QPSK, OQPSK
Typical
Performance