Comtech EF Data CDM-710 Installation And Operation Manual page 244

CDM-710 Broadcast Satellite Modem
Eb/No Measurement
Spectral Efficiency 0.490243
1/4
(Co+No)/No C/N = Es/No Eb/No
2.0 -2.3 0.8
2.5 -1.1 2.0
3.0 0.0 3.1
3.5 0.9 4.0
4.0 1.8 4.9
4.5 2.6 5.7
5.0 3.3 6.4
5.5 4.1 7.2
6.0 4.7 7.8
6.5 5.4 8.5
7.0 6.0 9.1
7.5 6.6 9.7
8.0 7.3 10.3
8.5 7.8 10.9
9.0 8.4 11.5
9.5 9.0 12.1
10.0 9.5 12.6
10.5 10.1 13.2
11.0 10.6 13.7
11.5 11.2 14.3
12.0 11.7 14.8
12.5 12.2 15.3
13.0 12.8 15.9
13.5 13.3 16.4
14.0 13.8 16.9
14.5 14.3 17.4
15.0 14.9 18.0
15.5 15.4 18.5
16.0 15.9 19.0
16.5 16.4 19.5
17.0 16.9 20.0
17.5 17.4 20.5
18.0 17.9 21.0
18.5 18.4 21.5
19.0 18.9 22.0
Notes:
1. Eb/No = Es/No - 10 Log (Spectral Efficiency).
2. The required C/N for QEF with FECFrame = 16,200 bits is typically 0.2 to 0.3 dB higher.
CDM-710 Co+No/No to C/N (Es/No) and Eb/No (dB) For DVB-S2 QPSK and 8-APSK
(DVB-S2 uses C/N (Es/No), and Eb/No is shown for information)
0.656448 0.789412 0.988858 1.188304
1/3 2/5 1/2 3/5
Eb/No Eb/No Eb/No Eb/No
-0.5 -1.3 -2.3 -3.1
0.7 -0.1 -1.0 -1.8
1.8 1.0 0.0 -0.8
2.8 2.0 1.0 0.2
3.6 2.8 1.8 1.0
4.4 3.6 2.6 1.8
5.2 4.4 3.4 2.6
5.9 5.1 4.1 3.3
6.6 5.8 4.8 4.0
7.2 6.4 5.4 4.7
7.9 7.1 6.1 5.3
8.5 7.7 6.7 5.9
9.1 8.3 7.3 6.5
9.7 8.9 7.9 7.1
10.2 9.4 8.5 7.7
10.8 10.0 9.0 8.2
11.4 10.6 9.6 8.8
11.9 11.1 10.1 9.3
12.5 11.7 10.7 9.9
13.0 12.2 11.2 10.4
13.5 12.7 11.8 11.0
14.1 13.3 12.3 11.5
14.6 13.8 12.8 12.0
15.1 14.3 13.4 12.6
15.7 14.9 13.9 13.1
16.2 15.4 14.4 13.6
16.7 15.9 14.9 14.1
17.2 16.4 15.4 14.6
17.7 16.9 15.9 15.1
18.2 17.4 16.5 15.7
18.7 17.9 17.0 16.2
19.3 18.4 17.5 16.7
19.8 19.0 18.0 17.2
20.3 19.5 18.5 17.7
20.8 20.0 19.0 18.2
3.
Code Rate
QPSK
1.322253 1.487473 1.587196 1.654663
2/3 3/4 4/5 5/6
Eb/No Eb/No Eb/No Eb/No
-3.5 -4.1 -4.3 -4.5
-2.3 -2.8 -3.1 -3.3
-1.2 -1.7 -2.0 -2.2
-0.3 -0.8 -1.1 -1.3
0.6 0.1 -0.2 -0.4
1.4 0.9 0.6 0.4
2.1 1.6 1.3 1.2
2.8 2.3 2.1 1.9
3.5 3.0 2.7 2.6
4.2 3.7 3.4 3.2
4.8 4.3 4.0 3.8
5.4 4.9 4.6 4.5
6.0 5.5 5.2 5.1
6.6 6.1 5.8 5.7
7.2 6.7 6.4 6.2
7.8 7.3 7.0 6.8
8.3 7.8 7.5 7.4
8.9 8.4 8.1 7.9
9.4 8.9 8.6 8.5
10.0 9.5 9.2 9.0
10.5 10.0 9.7 9.5
11.0 10.5 10.2 10.1
11.6 11.1 10.8 10.6
12.1 11.6 11.3 11.1
12.6 12.1 11.8 11.6
13.1 12.6 12.3 12.2
13.6 13.1 12.9 12.7
14.2 13.7 13.4 13.2
14.7 14.2 13.9 13.7
15.2 14.7 14.4 14.2
15.7 15.2 14.9 14.7
16.2 15.7 15.4 15.2
16.7 16.2 15.9 15.7
17.2 16.7 16.4 16.3
17.7 17.2 16.9 16.8
Shaded areas are high error rate or unusable.
B–4
1.766451 1.788612 1.779991 1.980636
8/9 9/10 3/5 2/3
Eb/No Eb/No Eb/No Eb/No
-4.8 -4.9 -4.8 -5.3
-3.6 -3.6 -3.6 -4.1
-2.5 -2.5 -2.5 -3.0
-1.5 -1.6 -1.6 -2.0
-0.7 -0.7 -0.7 -1.2
0.1 0.1 0.1 -0.4
0.9 0.8 0.8 0.4
1.6 1.5 1.6 1.1
2.3 2.2 2.2 1.8
2.9 2.9 2.9 2.4
3.6 3.5 3.5 3.1
4.2 4.1 4.1 3.7
4.8 4.7 4.7 4.3
5.4 5.3 5.3 4.9
5.9 5.9 5.9 5.4
6.5 6.5 6.5 6.0
7.1 7.0 7.0 6.6
7.6 7.6 7.6 7.1
8.2 8.1 8.1 7.7
8.7 8.7 8.7 8.2
9.2 9.2 9.2 8.7
9.8 9.7 9.7 9.3
10.3 10.3 10.3 9.8
10.8 10.8 10.8 10.3
11.4 11.3 11.3 10.9
11.9 11.8 11.8 11.4
12.4 12.3 12.4 11.9
12.9 12.9 12.9 12.4
13.4 13.4 13.4 12.9
13.9 13.9 13.9 13.4
14.4 14.4 14.4 13.9
15.0 14.9 14.9 14.5
15.5 15.4 15.4 15.0
16.0 15.9 15.9 15.5
16.5 16.4 16.4 16.0
Revision 9
MN/CDM710.IOM
8PSK
2.228124 2.478562 2.646012 2.679207
3/4 5/6 8/9 9/10
Eb/No Eb/No Eb/No Eb/No
-5.8 -6.3 -6.6 -6.6
-4.6 -5.0 -5.3 -5.4
-3.5 -4.0 -4.2 -4.3
-2.5 -3.0 -3.3 -3.4
-1.7 -2.1 -2.4 -2.5
-0.9 -1.3 -1.6 -1.7
-0.1 -0.6 -0.9 -0.9
0.6 0.1 -0.2 -0.2
1.3 0.8 0.5 0.5
1.9 1.5 1.2 1.1
2.6 2.1 1.8 1.8
3.2 2.7 2.4 2.4
3.8 3.3 3.0 3.0
4.4 3.9 3.6 3.6
4.9 4.5 4.2 4.1
5.5 5.0 4.8 4.7
6.1 5.6 5.3 5.3
6.6 6.2 5.9 5.8
7.2 6.7 6.4 6.4
7.7 7.2 7.0 6.9
8.2 7.8 7.5 7.4
8.8 8.3 8.0 8.0
9.3 8.8 8.6 8.5
9.8 9.4 9.1 9.0
10.3 9.9 9.6 9.5
10.9 10.4 10.1 10.1
11.4 10.9 10.6 10.6
11.9 11.4 11.1 11.1
12.4 11.9 11.7 11.6
12.9 12.5 12.2 12.1
13.4 13.0 12.7 12.6
13.9 13.5 13.2 13.1
14.5 14.0 13.7 13.7
15.0 14.5 14.2 14.2
15.5 15.0 14.7 14.7