Comtech EF Data CDM-570AL - Page 59

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Introduction 1–19 MN-CDM570A
BER Description
For
BER=
Rate
Guaranteed Eb/No ((typical value in parentheses)
TURBO PRODUCT CODEC
Rate 21/44 QPSK
Rate 21/44 BPSK
Rate 5/16 BPSK
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-7
10
-8
21/44 (QPSK, OQPSK)
2.9 dB (2.6 dB)
3.1 dB (2.7 dB)
3.3 dB (2.8 dB)
21/44 (BPSK)
2.8 dB (2.5dB)
3.1 dB (2.8 dB)
3.3 dB (2.90dB)
5/16 (BPSK)
2.4 dB (2.1dB)
2.6 dB (2.3dB)
2.7 dB (2.4dB)
TURBO PRODUCT CODEC
Rate ¾ QPSK
Rate ¾ 8-PSK
Rate ¾ 16-QAM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-7
10
-8
¾ (QPSK, OPQSK)
3.8dB (3.4dB)
4.1dB (3.7dB)
4.4dB (4.0dB)
¾ (8-PSK)
6.2 dB (5.8 dB)
6.4 dB (6.0 dB)
6.8 dB (6.3 dB)
Rate ¾ (16-QAM)
7.4dB (7.0 dB)
7.8 dB (7.3 dB)
8.2 dB (7.7 dB)
TURBO PRODUCT CODEC
Rate 7/8 QPSK
Rate 7/8 8-PSK
Rate 7/8 16-QAM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-7
10
-8
Rate 7/8 (QPSK, OPQSK)
4.3 dB (4.0 dB)
4.4 dB (4.1 dB)
4.5 dB (4.2 dB)
Rate 7/8 (8-PSK)
7.0 dB (6.6 dB)
7.1 dB (6.7 dB)
7.2 dB (6.8 dB)
Rate 7/8 (16-QAM)
8.1 dB (7.7 dB)
8.2 dB (7.8 dB)
8.3 dB (7.9 dB)
TURBO PRODUCT CODEC
Rate 0.95 QPSK
Rate 0.95 8-PSK
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-7
B10
-8
Rate 0.95 (QPSK, OPQSK)
6.4 dB (6.0 dB)
6.7 dB (6.3 dB)
6.9 dB (6.5 dB)
Rate 0.95 (8-PSK)
9.3 dB (8.9 dB)
9.8 dB (9.4 dB)
10.3 dB (9.9 dB)
TURBO PRODUCT CODEC
Rate ¾ 8-QAM
Rate 7/8 8-QAM
Rate 0.95 8-QAM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-7
10
-8
Rate ¾ (8-QAM)
6.5 dB (6.1 dB)
6.8 dB (6.4 dB)
7.2 dB (6.8 dB)
Rate 7/8 (8-QAM)
6.6 dB (6.2 dB)
6.7 dB (6.3 dB)
6.8 dB (6.4 dB)
Rate 0.95 (8-QAM)
9.6 dB (9.2 dB)
10.1 dB (9.7 dB)
10.6 dB (10.2 dB)
16-QAM VITERBI/R-S
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-6
10
-8
¾Viterbi/R-S (16-QAM)
8.1 dB (7.5 dB)
8.6 dB (8.0 dB)
7/8 Viterbi/R-S (16-QAM)
9.5 dB (9.0 dB)
10.1 dB (9.5 dB)
VersaFEC CODEC BPSK
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-5
10
-8
0.488 (BPSK)
2.4 dB (2.1 dB)
2.7 dB (2.4 dB)
VersaFEC CODEC QPSK
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-5
10
-8
0.533 (QPSK)
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
0.631 (QPSK)
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
0.706 (QPSK)
3.3 dB (3.0 dB)
3.7 dB (3.4 dB)
0.803 (QPSK)
3.8 dB (3.5 dB)
4.1 dB (3.8 dB)
VersaFEC CODEC 8-QAM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-5
10
-8
0.642 (8-QAM)
4.6 dB (4.3 dB)
4.9 dB (4.6 dB)
0.711 (8-QAM)
5.2 dB (4.9 dB)
5.5 dB (5.2 dB)
0.780 (8-QAM)
5.6 dB (5.3 dB)
6.0 dB (5.7 dB)
VersaFEC CODEC 16-QAM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-5
10
-8
0.731 (16-QAM)
6.6 dB (6.3 dB)
6.8 dB (6.5 dB)
0.780 (16-QAM)
7.1 dB (6.8 dB)
7.4 dB (7.1 dB)
0.829 (16-QAM)
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
0.853 (16-QAM)
8.1 dB (7.8 dB)
8.4 dB (8.1 dB)
VersaFEC CODEC – Extended
CCM
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-5
10
-8
0.576 (8-QAM)
4.5 dB (4.2 dB)
4.9 dB (4.6 dB)
0.644 (16-QAM)
6.4 dB (6.1 dB)
6.9 dB (6.6 dB)
VersaFEC-2 Long Block
CODEC
BPSK
(With two adjacent carriers, each 7
dB higher than the desired carrier)
10
-4
10
-8
0.489 BPSK
1.8 dB (1.5 dB)
2.1 dB (1.8 dB)