Table 1-2. Eb/No Performance At Quasi Error Free Per = 10; Table 1-3. Eb/No Performance For Dvb-S Qpsk Operations - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Introduction

Table 1-2. Eb/No Performance at Quasi Error Free PER = 10

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 ≈ 10
-9
3. Performance with FECFRAME = 16,200 Bits and no pilot is typically 0.2 to 0.3 dB higher.

Table 1-3. Eb/No Performance for DVB-S QPSK Operations

(FECFRAME = 64,800 or 16,200 Bits and no Pilot)
Spectral 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 N/A
1.779991 1.725319
1.980636 1.922040
2.228124 2.118761
2.478562 2.381056
2.646012 2.577778
2.679207 N/A
2.637201 2.548792
2.966728 2.809662
3.165623 2.983575
3.300184 3.157488
3.523143 3.418357
3.567342 N/A
3.703295 3.493093
3.951571 3.709309
4.119540 3.925526
4.397854 4.249850
4.453027 N/A
-7
at PER = 10
BER
1/2
-6
10 3.7
-8
10 4.0
-11
10 4.5
-7
with AWGN for DVB-S2 Operations
Specified Es/No (dB)
See Notes
-1.85
-0.74
0.20
1.50
2.73
3.60
4.53
5.18
5.68
6.70
6.92
6.20
7.32
8.61
10.15
11.49
11.78
9.97
11.21
12.03
12.61
13.89
14.13
13.73
14.64
15.28
16.69
17.05
Eb/No (dB)
2/3 3/4 5/6 7/8
4.4 5.0 5.6 5.9
4.7 5.3 5.9 6.3
5.1 5.8 6.4 6.9
1–18
Revision 11
MN/CDM710.IOM
Eb/No (dB)
Remarks
See Notes
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