Table of Contents
Advertisement
VersaFEC CODEC BER
BPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC CODEC BER
QPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC CODEC BER
8-QAM
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC CODEC BER
16-QAM
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC CODEC –
Extended CCM (ECCM)
BER
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC-2 Long Block
CODEC BER
BPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
Introduction
Rate 0.488
BER=10
2.4 dB (2.1 dB)
-5
BER=10
2.7 dB (2.4 dB)
-8
For BER=10
-X
Rate 0.533 QPSK
BER=10
2.3 dB (2.0 dB)
-5
BER=10
2.5 dB (2.2 dB)
-8
Rate 0.642 8-QAM
BER=10
4.6 dB (4.3 dB)
-5
BER=10
4.9 dB (4.6 dB)
-8
Rate 0.731 16-
QAM
BER=10
-5
6.6 dB (6.3 dB)
BER=10
-8
6.8 dB (6.5 dB)
Rate 0.576 8-QAM
BER=10
4.5 dB (4.2 dB)
-5
BER=10
4.9 dB (4.6 dB)
-8
Rate 0.489 BPSK
BER=10
1.8 dB (1.5 dB)
-4
BER=10
2.1 dB (1.8 dB)
-8
CDM-425 Advanced Satellite Modem
Rate – Guaranteed Eb/No (typical value in parentheses)
Rate 0.631 QPSK
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
Rate 0.711 8-QAM
5.2 dB (4.9 dB)
5.5 dB (5.2 dB)
Rate 0.780 16-
QAM
7.1 dB (6.8 dB)
7.4 dB (7.1 dB)
Rate 0.644 16-
QAM
6.4 dB (6.1 dB)
6.9 dB (6.6 dB)
1–21
Revision 0
Rate 0.706 QPSK
Rate 0.803 QPSK
3.3 dB (3.0 dB)
3.8 dB (3.5 dB)
3.7 dB (3.4 dB)
4.1 dB (3.8 dB)
Rate 0.780 8-QAM
5.6 dB (5.3 dB)
6.0 dB (5.7 dB)
Rate 0.829 16-
Rate 0.853 16-
QAM
7.7 dB (7.4 dB)
8.1 dB (7.8 dB)
8.0 dB (7.7 dB)
8.4 dB (8.1 dB)
MN-CDM-425
QAM
Advertisement
Table of Contents
