Comtech EF Data CDM-625A Installation And Operation Manual page 62

CDM-625A Advanced Satellite Modem
Introduction
VersaFEC-2 Short Block
CODEC BER
BPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
VersaFEC-2 Short Block
CODEC BER
QPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
VersaFEC-2 Short Block
CODEC BER
8-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
VersaFEC-2 Short Block
CODEC BER
16-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
VersaFEC-2 Short Block
CODEC BER
32-ARY
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
Ultra-Low-Latency (ULL)
CODEC BER
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
Notes:
1) Rate 21/44 QPSK is shown as Rate 1/2 on the Front Panel display, etc.
2) The demod acquisition and tracking threshold for OQPSK is approx 1 dB worse than the QPSK
case in this mode.
For BER=10
-X
Rate 0.489 BPSK
BER=10 2.6 dB (2.3 dB)
-4
BER=10 3.2 dB (2.9 dB)
-8
Rate 0.489 QPSK
BER=10 2.3 dB (1.4 dB)
-4
BER=10 2.7 dB (1.6 dB)
-8
Rate 0.635 QPSK
BER=10 2.8 dB (2.5 dB)
-4
BER=10 3.2 dB (2.9 dB)
-8
Rate 0.521 8-ARY
BER=10 3.5 dB (3.2 dB)
-4
BER=10 4.0 dB (3.7 dB)
-8
Rate 0.611 8-ARY
BER=10 3.9 dB (3.6 dB)
-4
BER=10 4.3 dB (4.0 dB)
-8
Rate 0.708 8-ARY
BER=10 4.5 dB (4.2 dB)
-4
BER=10 4.8 dB (4.5 dB)
-8
Rate 0.586 16-ARY
BER=10 4.8 dB (4.5 dB)
-4
BER=10 5.3 dB (5.0 dB)
-8
Rate 0.684 16-ARY
BER=10 5.7 dB (5.4 dB)
-4
BER=10 6.2 dB (5.9 dB)
-8
Rate 0.782 16-ARY
BER=10 7.0 dB (6.7 dB)
-4
BER=10 7.5 dB (7.2 dB)
-8
Rate 0.660 32-ARY
BER=10 7.3 dB (7.0 dB)
-4
BER=10 7.9 dB (7.6 dB)
-8
Rate 0.757 32-ARY
BER=10 8.4 dB (8.1 dB)
-4
BER=10 8.9 dB (8.6 dB)
-8
Rate 0.493 BPSK
BER=10 3.1 dB (2.8 dB)
-5
BER=10 3.7 dB (3.4 dB)
-8
Rate – Guaranteed Eb/No (typical value in parentheses)
Rate 0.537 QPSK
2.4 dB (2.1 dB)
2.0 dB (1.7 dB)
Rate 0.660 QPSK
2.9 dB (2.6 dB)
3.3 dB (3.0 dB)
Rate 0.537 8-ARY
3.5 dB (3.2 dB)
4.1 dB (3.8 dB)
Rate 0.635 8-ARY
3.9 dB (3.6 dB)
4.4 dB (4.1 dB)
Rate 0.733 8-ARY
4.8 dB (4.5 dB)
5.2 dB (4.9 dB)
Rate 0.611 16-ARY
5.0 dB (4.7 dB)
5.4 dB (5.1 dB)
Rate 0.708 16-ARY
6.1 dB (5.8 dB)
6.5 dB (6.2 dB)
Rate 0.684 32-ARY
7.5 dB (7.2 dB)
8.1 dB (7.8 dB)
Rate 0.782 32-ARY
8.7 dB (8.4 dB)
9.2 dB (8.9 dB)
Rate 0.493 QPSK
3.1 dB (2.8 dB)
3.7 dB (3.4 dB)
1–20
MN-CDM625A
Revision 4
Rate 0.586 QPSK Rate 0.611 QPSK
2.5 dB (2.2 dB) 2.6 dB (2.3 dB)
3.0 dB (2.7 dB) 3.1 dB (2.8 dB)
Rate 0.684 QPSK Rate 0.733 QPSK
3.0 dB (2.7 dB) 3.4 dB (3.1 dB)
3.4 dB (3.1 dB) 3.8 dB (3.5 dB)
Rate 0.562 8-ARY Rate 0.586 8-ARY
3.6 dB (3.6 dB) 3.7 dB (3.4 dB)
4.2 dB (3.9 dB) 4.2 dB (3.9 dB)
Rate 0.660 8-ARY Rate 0.684 8-ARY
4.1 dB (3.8 dB) 4.4 dB (4.1 dB)
4.5 dB (4.2 dB) 4.7 dB (4.4 dB)
Rate 0.635 16-ARY Rate 0.660 16-ARY
5.3 dB (5.0 dB) 5.5 dB (5.2 dB)
5.6 dB (5.3 dB) 5.8 dB (5.5 dB)
Rate 0.733 16-ARY Rate 0.757 16-ARY
6.2 dB (5.9 dB) 6.7 dB (6.4 dB)
6.6 dB (6.3 dB) 7.1 dB (6.8 dB)
Rate 0.708 32-ARY Rate 0.733 32-ARY
7.7 dB (7.4 dB) 8.2 dB (7.9 dB)
8.2 dB (7.9 dB) 8.7 dB (8.4 dB)
Rate 0.801 32-ARY Rate 0.831 32-ARY
9.1 dB (8.8 dB) 9.5 dB (9.2 dB)
9.5 dB (9.2 dB) 9.9 dB (9.6 dB)
Rate 0.654 QPSK Rate 0.734 QPSK
3.6 dB (3.3 dB) 4.1 dB (3.8 dB)
4.2 dB (3.9 dB) 4.7 dB (4.4 dB)