Comtech EF Data CDM-625A - Page 61

CDM-625A Advanced Satellite Modem MN-CDM625A
Introduction Revision 4
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 0.489 QPSK
1.7 dB (1.4 dB)
1.9 dB (1.6 dB)
Rate 0.537 QPSK
1.8 dB (1.5 dB)
2.0 dB (1.7 dB)
Rate 0.586 QPSK
2.0 dB (1.7 dB)
2.2 dB (1.9 dB)
Rate 0.611 QPSK
2.1 dB (1.8 dB)
2.2 dB (1.9 dB)
BER=10
-4
BER=10
-8
Rate 0.635 QPSK
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 0.660 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 0.684 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 0.733 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 0.521 8-ARY
3.2 dB (2.9 dB)
3.5 dB (3.2 dB)
Rate 0.537 8-ARY
3.2 dB (2.9 dB)
3.6 dB (3.3 dB)
Rate 0.562 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
Rate 0.586 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
BER=10
-4
BER=10
-8
Rate 0.611 8-ARY
3.4 dB (3.1 dB)
3.7 dB (3.4 dB)
Rate 0.635 8-ARY
3.5 dB (3.2 dB)
3.7 dB (3.4 dB)
Rate 0.660 8-ARY
3.7 dB (3.4 dB)
3.8 dB (3.5 dB)
Rate 0.684 8-ARY
3.9 dB (3.6 dB)
4.1 dB (3.8 dB)
BER=10
-4
BER=10
-8
Rate 0.708 8-ARY
4.0 dB (3.7 dB)
4.2 dB (3.9 dB)
Rate 0.733 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 0.586 16-ARY
4.4 dB (4.1 dB)
4.7 dB (4.4 dB)
Rate 0.611 16-ARY
4.7 dB (4.4 dB)
5.0 dB (4.7 dB)
Rate 0.635 16-ARY
4.9 dB (4.6 dB)
5.2 dB (4.9 dB)
Rate 0.660 16-ARY
5.1 dB (4.8 dB)
5.3 dB (5.0 dB)
BER=10
-4
BER=10
-8
Rate 0.684 16-ARY
5.3 dB (5.0 dB)
5.5 dB (5.2 dB)
Rate 0.708 16-ARY
5.6 dB (5.3 dB)
5.8 dB (5.5 dB)
Rate 0.733 16-ARY
5.9 dB (5.6 dB)
6.1 dB (5.8 dB)
Rate 0.757 16-ARY
6.2 dB (5.9 dB)
6.4 dB (6.1 dB)
BER=10
-4
BER=10
-8
Rate 0.782 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 0.660 32-ARY
6.8 dB (6.5 dB)
7.1 dB (6.8 dB)
Rate 0.684 32-ARY
7.2 dB (6.9 dB)
7.5 dB (7.2 dB)
Rate 0.708 32-ARY
7.4 dB (7.1 dB)
7.7 dB (7.4 dB)
Rate 0.733 32-ARY
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
BER=10
-4
BER=10
-8
Rate 0.757 32-ARY
8.0 dB (7.7 dB)
8.2 dB (7.9 dB)
Rate 0.782 32-ARY
8.4 dB (8.1 dB)
8.6 dB (8.3 dB)
Rate 0.801 32-ARY
8.8 dB (8.5 dB)
9.0 dB (8.7 dB)
Rate 0.831 32-ARY
9.1 dB (8.8 dB)
9.3 dB (9.0 dB)
BER=10
-4
BER=10
-8
Rate 0.855 32-ARY
9.8 dB (9.5 dB)
10.0 dB (9.7 dB)
Rate 0.879 32-ARY
10.4 dB (10.1 dB)
10.6 dB (10.3 dB)