Table 8-2. Eb/No Performance At Quasi Error Free Per = 10 - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Summary of Specifications

Table 8-2. Eb/No Performance at Quasi Error Free PER = 10

FECFRAME = 64,800 or 16,200 Bits and no pilot
Modulation Code
DVB-S2 Rate
1/4
1/3
2/5
1/2
3/5
QPSK 2/3
3/4
4/5
5/6
8/9
9/10
3/5
2/3
3/4
8-PSK
5/6
8/9
9/10
2/3
3/4
4/5
16-APSK
5/6
8/9
9/10
3/4
4/5
32-APSK 5/6
8/9
9/10
Notes:
1. Eb/No = Es/No – 10 Log (Spectral Efficiency).
2. BER
3. Performance with FECFRAME = 16,200 Bits and no pilot is typically 0.2 to 0.3 dB higher.
with AWGN for DVB-S2 Operations
Spectral Spectral
Efficiency Efficiency
FECFrame = FECFrame =
64,800 bits 16,200 bits
0.490243 0.365324
0.656448 0.629060
0.789412 0.760928
0.988858 0.848840
1.188304 1.156532
1.322253 1.288400
1.487473 1.420269
1.587196 1.508181
1.654663 1.596093
1.766451 1.727961
1.788612
1.779991 1.725319
1.980636 1.922040
2.228124 2.118761
2.478562 2.381056
2.646012 2.577778
2.679207
2.637201 2.548792
2.966728 2.809662
3.165623 2.983575
3.300184 3.157488
3.523143 3.418357
3.567342
3.703295 3.493093
3.951571 3.709309
4.119540 3.925526
4.397854 4.249850
4.453027
-9 -7
10 at PER = 10
Specified
Eb/No (dB)
Es/No (dB)
See Notes
See Notes
-1.85
-0.74
0.20
1.50
2.73
3.60
4.53
5.18
5.68
6.70
NA 6.92
6.20
7.32
8.61
10.15
11.49
NA 11.78
9.97
11.21
12.03
12.61
13.89
NA 14.13
13.73
14.64
15.28
16.69
NA 17.05
8–8
MN/CDM710.IOM
-7
Remarks
1.25 Information
1.09 Information
1.23 Information
1.55
1.98
2.39
2.81
3.17
3.49
4.23
4.39
3.70
4.35
5.13
6.21
7.26
7.50
5.76
6.49
7.03
7.42
8.42
8.61
8.04
8.67
9.13
10.26
10.56
Revision 9