Comtech EF Data CDM-625A - Manual (Page 63)

CDM-625A Advanced Satellite Modem MN-CDM625A
Introduction Revision 3
1–19
VersaFEC CODEC BER
QPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
For BER=10 -X Rate – Guaranteed Eb/No (typical value in parentheses)
BER=10 -5
BER=10 -8
Rate 0.533 QPSK
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 0.631 QPSK
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
Rate 0.706 QPSK
3.3 dB (3.0 dB)
3.7 dB (3.4 dB)
Rate 0.803 QPSK
3.8 dB (3.5 dB)
4.1 dB (3.8 dB)
VersaFEC CODEC BER
8-QAM
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -5
BER=10 -8
Rate 0.642 8-QAM
4.6 dB (4.3 dB)
4.9 dB (4.6 dB)
Rate 0.711 8-QAM
5.2 dB (4.9 dB)
5.5 dB (5.2 dB)
Rate 0.780 8-QAM
5.6 dB (5.3 dB)
6.0 dB (5.7 dB)
VersaFEC CODEC BER
16-QAM
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -5
BER=10 -8
Rate 0.731 16-QAM
6.6 dB (6.3 dB)
6.8 dB (6.5 dB)
Rate 0.780 16-QAM
7.1 dB (6.8 dB)
7.4 dB (7.1 dB)
Rate 0.829 16-QAM
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
Rate 0.853 16-QAM
8.1 dB (7.8 dB)
8.4 dB (8.1 dB)
VersaFEC CODEC –
Extended CCM (ECCM) BER
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -5
BER=10 -8
Rate 0.576 8-QAM
4.5 dB (4.2 dB)
4.9 dB (4.6 dB)
Rate 0.644 16-QAM
6.4 dB (6.1 dB)
6.9 dB (6.6 dB)
VersaFEC-2 Long Block
CODEC BER
BPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -4
BER=10 -8
Rate 0.489 BPSK
1.8 dB (1.5 dB)
2.1 dB (1.8 dB)
VersaFEC-2 Long Block
CODEC BER
QPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -4
BER=10 -8
Rate 0.977 QPSK
1.7 dB (1.4 dB)
1.9 dB (1.6 dB)
Rate 1.075 QPSK
1.8 dB (1.5 dB)
2.0 dB (1.7 dB)
Rate 1.173 QPSK
2.0 dB (1.7 dB)
2.2 dB (1.9 dB)
Rate 1.221 QPSK
2.1 dB (1.8 dB)
2.2 dB (1.9 dB)
BER=10 -4
BER=10 -8
Rate 1.270 QPSK
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 1.319 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 1.368 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 1.466 QPSK
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
VersaFEC-2 Long Block
CODEC BER
8-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -4
BER=10 -8
Rate 1.564 8-ARY
3.2 dB (2.9 dB)
3.5 dB (3.2 dB)
Rate 1.612 8-ARY
3.2 dB (2.9 dB)
3.6 dB (3.3 dB)
Rate 1.686 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
Rate 1.759 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
BER=10 -4
BER=10 -8
Rate 1.832 8-ARY
3.4 dB (3.1 dB)
3.7 dB (3.4 dB)
Rate 1.906 8-ARY
3.5 dB (3.2 dB)
3.7 dB (3.4 dB)
Rate 1.979 8-ARY
3.7 dB (3.4 dB)
3.8 dB (3.5 dB)
Rate 2.052 8-ARY
3.9 dB (3.6 dB)
4.1 dB (3.8 dB)
BER=10 -4
BER=10 -8
Rate 2.125 8-ARY
4.0 dB (3.7 dB)
4.2 dB (3.9 dB)
Rate 2.199 8-ARY
4.3 dB (4.0 dB)
4.4 dB (4.1 dB)
VersaFEC-2 Long Block
CODEC BER
16-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -4
BER=10 -8
Rate 2.345 16-ARY
4.4 dB (4.1 dB)
4.7 dB (4.4 dB)
Rate 2.443 16-ARY
4.7 dB (4.4 dB)
5.0 dB (4.7 dB)
Rate 2.541 16-ARY
4.9 dB (4.6 dB)
5.2 dB (4.9 dB)
Rate 2.638 16-ARY
5.1 dB (4.8 dB)
5.3 dB (5.0 dB)
BER=10 -4
BER=10 -8
Rate 2.736 16-ARY
5.3 dB (5.0 dB)
5.5 dB (5.2 dB)
Rate 2.834 16-ARY
5.6 dB (5.3 dB)
5.8 dB (5.5 dB)
Rate 2.932 16-ARY
5.9 dB (5.6 dB)
6.1 dB (5.8 dB)
Rate 3.029 16-ARY
6.2 dB (5.9 dB)
6.4 dB (6.1 dB)
BER=10 -4
BER=10 -8
Rate 3.127 16-ARY
6.5 dB (6.2 dB)
6.7 dB (6.4 dB)
VersaFEC-2 Long Block
CODEC BER
32-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
BER=10 -4
BER=10 -8
Rate 3.298 32-ARY
6.8 dB (6.5 dB)
7.1 dB (6.8 dB)
Rate 3.420 32-ARY
7.2 dB (6.9 dB)
7.5 dB (7.2 dB)
Rate 3.542 32-ARY
7.4 dB (7.1 dB)
7.7 dB (7.4 dB)
Rate 3.664 32-ARY
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
BER=10 -4
BER=10 -8
Rate 3.787 32-ARY
8.0 dB (7.7 dB)
8.2 dB (7.9 dB)
Rate 3.909 32-ARY
8.4 dB (8.1 dB)
8.6 dB (8.3 dB)
Rate 4.007 32-ARY
8.8 dB (8.5 dB)
9.0 dB (8.7 dB)
Rate 4.153 32-ARY
9.1 dB (8.8 dB)
9.3 dB (9.0 dB)
BER=10 -4
BER=10 -8
Rate 4.275 32-ARY
9.8 dB (9.5 dB)
10.0 dB (9.7 dB)
Rate 4.397 32-ARY
10.4 dB (10.1 dB)
10.6 dB (10.3 dB)