Table E-2. Cdm-750 Co+No/No To C/N (Es/No) And Eb/No (Db) For Dvb-S2 16Apsk And 32Apsk - Comtech EF Data CDM-750 Installation And Operation Manual

CDM-750 Advanced High-Speed Trunking Modem
Appendix E

Table E-2. CDM-750 Co+No/No to C/N (Es/No) and Eb/No (dB) for DVB-S2 16APSK and 32APSK

Spectral Efficiency Normal
Block Mode Pilots ON ►
Code Rate ►
(Co+No)/No C/N = Es/No
9.8 9.3
10.1 9.7
10.4 10.0
10.7 10.3
11.0 10.6
11.3 11.0
11.6 11.3
11.9 11.6
12.2 11.9
12.5 12.2
12.8 12.6
13.1 12.9
13.4 13.2
13.7 13.5
14.0 13.8
14.3 14.1
14.6 14.4
14.9 14.8
15.2 15.1
15.5 15.4
15.8 15.7
16.1 16.0
16.4 16.3
16.7 16.6
17.0 16.9
17.3 17.2
17.6 17.5
17.9 17.8
18.2 18.1
18.5 18.4
18.8 18.7
19.1 19.0
19.4 19.3
19.7 19.7
20.0 20.0
Notes:
1. Eb/No = Es/No - 10 Log (Spectral Efficiency).
(DVB-S2 uses C/N (Es/No), and Eb/No is shown for information)
16APSK
2.574613 2.896320 3.090495 3.221863
2/3 3/4 4/5
Eb/No Eb/No Eb/No
5.2 4.7 4.4
5.5 5.0 4.8
5.9 5.4 5.1
6.2 5.7 5.4
6.5 6.0 5.7
6.9 6.3 6.1
7.2 6.7 6.4
7.5 7.0 6.7
7.8 7.3 7.0
8.1 7.6 7.3
8.5 7.9 7.7
8.8 8.3 8.0
9.1 8.6 8.3
9.4 8.9 8.6
9.7 9.2 8.9
10.0 9.5 9.2
10.3 9.8 9.5
10.7 10.1 9.9
11.0 10.4 10.2
11.3 10.8 10.5
11.6 11.1 10.8
11.9 11.4 11.1
12.2 11.7 11.4
12.5 12.0 11.7
12.8 12.3 12.0
13.1 12.6 12.3
13.4 12.9 12.6
13.7 13.2 12.9
14.0 13.5 13.2
14.3 13.8 13.5
14.6 14.1 13.8
14.9 14.4 14.1
15.2 14.7 14.4
15.5 15.0 14.8
15.8 15.3 15.1
2. The required C/N for Short Frames is typically 0.2 to 0.3 dB higher.
3.439530 3.482680 3.623332
5/6 8/9 9/10
Eb/No Eb/No Eb/No Eb/No
4.2 4.0 3.9 3.7
4.6 4.3 4.2 4.1
4.9 4.6 4.6 4.4
5.2 4.9 4.9 4.7
5.6 5.3 5.2 5.0
5.9 5.6 5.5 5.4
6.2 5.9 5.9 5.7
6.5 6.2 6.2 6.0
6.8 6.6 6.5 6.3
7.2 6.9 6.8 6.7
7.5 7.2 7.1 7.0
7.8 7.5 7.5 7.3
8.1 7.8 7.8 7.6
8.4 8.1 8.1 7.9
8.7 8.5 8.4 8.2
9.1 8.8 8.7 8.5
9.4 9.1 9.0 8.9
9.7 9.4 9.3 9.2
10.0 9.7 9.6 9.5
10.3 10.0 10.0 9.8
10.6 10.3 10.3 10.1
10.9 10.6 10.6 10.4
11.2 10.9 10.9 10.7
11.5 11.2 11.2 11.0
11.8 11.5 11.5 11.3
12.1 11.9 11.8 11.6
12.4 12.2 12.1 11.9
12.7 12.5 12.4 12.2
13.1 12.8 12.7 12.5
13.4 13.1 13.0 12.8
13.7 13.4 13.3 13.2
14.0 13.7 13.6 13.5
14.3 14.0 13.9 13.8
14.6 14.3 14.2 14.1
14.9 14.6 14.5 14.4
E–4
32APSK
3.866247 4.030589 4.302894
3/4 4/5 5/6 8/9
Eb/No Eb/No Eb/No
3.4 3.3 3.0
3.8 3.6 3.3
4.1 3.9 3.6
4.4 4.3 4.0
4.8 4.6 4.3
5.1 4.9 4.6
5.4 5.2 5.0
5.7 5.6 5.3
6.1 5.9 5.6
6.4 6.2 5.9
6.7 6.5 6.2
7.0 6.8 6.5
7.3 7.1 6.9
7.6 7.5 7.2
8.0 7.8 7.5
8.3 8.1 7.8
8.6 8.4 8.1
8.9 8.7 8.4
9.2 9.0 8.7
9.5 9.3 9.0
9.8 9.6 9.3
10.1 9.9 9.7
10.4 10.2 10.0
10.7 10.6 10.3
11.0 10.9 10.6
11.3 11.2 10.9
11.7 11.5 11.2
12.0 11.8 11.5
12.3 12.1 11.8
12.6 12.4 12.1
12.9 12.7 12.4
13.2 13.0 12.7
13.5 13.3 13.0
13.8 13.6 13.3
14.1 13.9 13.6
3. Shaded areas are high error rate or unstable.
Revision 2
MN-CDM750
4.356875
9/10
Eb/No
2.9
3.3
3.6
3.9
4.2
4.6
4.9
5.2
5.5
5.9
6.2
6.5
6.8
7.1
7.4
7.7
8.1
8.4
8.7
9.0
9.3
9.6
9.9
10.2
10.5
10.8
11.1
11.4
11.7
12.0
12.4
12.7
13.0
13.3
13.6