Table B-3. Cdm-710 Co+No/No To C/N (Es/No) And Eb/No (Db) For Dvb-S2 16-Apsk And 32-Apsk - Comtech EF Data CDM-710 Installation And Operation Manual
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CDM-710 Broadcast Satellite Modem
Eb/No Measurement
Table B-3. CDM-710 Co+No/No to C/N (Es/No) and Eb/No (dB) For DVB-S2 16-APSK and 32-APSK
Spectral Efficiency
(Co+No)/No
C/N = Es/No
9.0
8.4
9.5
9.0
10.0
9.5
10.5
10.1
11.0
10.6
11.5
11.2
12.0
11.7
12.5
12.2
13.0
12.8
13.5
13.3
14.0
13.8
14.5
14.3
15.0
14.9
15.5
15.4
16.0
15.9
16.5
16.4
17.0
16.9
17.5
17.4
18.0
17.9
18.5
18.4
19.0
18.9
19.5
19.5
20.0
20.0
20.5
20.5
21.0
21.0
21.5
21.5
22.0
22.0
22.5
22.5
23.0
23.0
23.5
23.5
24.0
24.0
24.5
24.5
25.0
25.0
25.5
25.5
26.0
26.0
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.
3.
Shaded values are high error rate or unusable.
(DVB-S2 uses C/N (Es/No), and Eb/No is shown for information)
16APSK
2.637201
2.966728
3.165623
2/3
3/4
4/5
Eb/No
Eb/No
Eb/No
4.2
3.7
3.4
4.8
4.3
4.0
5.3
4.8
4.5
5.9
5.4
5.1
6.4
5.9
5.6
7.0
6.5
6.2
7.5
7.0
6.7
8.0
7.5
7.2
8.6
8.1
7.8
9.1
8.6
8.3
9.6
9.1
8.8
10.1
9.6
9.3
10.6
10.1
9.9
11.2
10.7
10.4
11.7
11.2
10.9
12.2
11.7
11.4
12.7
12.2
11.9
13.2
12.7
12.4
13.7
13.2
12.9
14.2
13.7
13.4
14.7
14.2
13.9
15.2
14.7
14.4
15.7
15.2
15.0
16.2
15.7
15.5
16.8
16.2
16.0
17.3
16.7
16.5
17.8
17.2
17.0
18.3
17.8
17.5
18.8
18.3
18.0
19.3
18.8
18.5
19.8
19.3
19.0
20.3
19.8
19.5
20.8
20.3
20.0
21.3
20.8
20.5
21.8
21.3
21.0
Code Rate
3.300184
3.523143
3.567342
5/6
8/9
9/10
Eb/No
Eb/No
Eb/No
3.2
2.9
2.9
3.8
3.5
3.5
4.4
4.1
4.0
4.9
4.6
4.6
5.5
5.2
5.1
6.0
5.7
5.7
6.5
6.2
6.2
7.1
6.8
6.7
7.6
7.3
7.3
8.1
7.8
7.8
8.6
8.4
8.3
9.2
8.9
8.8
9.7
9.4
9.3
10.2
9.9
9.9
10.7
10.4
10.4
11.2
10.9
10.9
11.7
11.4
11.4
12.2
12.0
11.9
12.7
12.5
12.4
13.3
13.0
12.9
13.8
13.5
13.4
14.3
14.0
13.9
14.8
14.5
14.4
15.3
15.0
14.9
15.8
15.5
15.4
16.3
16.0
15.9
16.8
16.5
16.4
17.3
17.0
17.0
17.8
17.5
17.5
18.3
18.0
18.0
18.8
18.5
18.5
19.3
19.0
19.0
19.8
19.5
19.5
20.3
20.0
20.0
20.8
20.5
20.5
B–5
Revision 11
MN/CDM710.IOM
32APSK
3.703295 3.951571 4.119540
3/4
4/5
5/6
Eb/No
Eb/No
Eb/No
2.7
2.4
2.3
3.3
3.0
2.8
3.9
3.6
3.4
4.4
4.1
3.9
5.0
4.7
4.5
5.5
5.2
5.0
6.0
5.7
5.6
6.6
6.3
6.1
7.1
6.8
6.6
7.6
7.3
7.2
8.1
7.9
7.7
8.7
8.4
8.2
9.2
8.9
8.7
9.7
9.4
9.2
10.2
9.9
9.7
10.7
10.4
10.3
11.2
10.9
10.8
11.7
11.5
11.3
12.2
12.0
11.8
12.8
12.5
12.3
13.3
13.0
12.8
13.8
13.5
13.3
14.3
14.0
13.8
14.8
14.5
14.3
15.3
15.0
14.8
15.8
15.5
15.3
16.3
16.0
15.8
16.8
16.5
16.3
17.3
17.0
16.8
17.8
17.5
17.3
18.3
18.0
17.8
18.8
18.5
18.3
19.3
19.0
18.8
19.8
19.5
19.3
20.3
20.0
19.8
4.397854
4.453027
8/9
9/10
Eb/No
Eb/No
2.0
1.9
2.6
2.5
3.1
3.1
3.7
3.6
4.2
4.2
4.7
4.7
5.3
5.2
5.8
5.8
6.3
6.3
6.9
6.8
7.4
7.3
7.9
7.9
8.4
8.4
8.9
8.9
9.5
9.4
10.0
9.9
10.5
10.4
11.0
10.9
11.5
11.4
12.0
12.0
12.5
12.5
13.0
13.0
13.5
13.5
14.0
14.0
14.5
14.5
15.0
15.0
15.5
15.5
16.0
16.0
16.5
16.5
17.0
17.0
17.6
17.5
18.1
18.0
18.6
18.5
19.1
19.0
19.6
19.5
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