CDM-710G High-Speed Satellite Modem
Revision 1
Introduction
MN-CDM710G
1–18
Table 1-4. Eb/No Performance at Quasi Error Free PER = 10
-7
with AWGN for DVB-S2 Operations
FECFRAME = 64,800 or 16,200 Bits and no pilot
Modulation
DVB-S2
Code
Rate
Spectral
Efficiency
FECFrame =
64,800 bits
Spectral
Efficiency
FECFrame =
16,200 bits
Specified
Es/No (dB)
See Notes
Eb/No (dB)
See Notes
Remarks
QPSK
1/4 0.490243
0.365324 -1.85
1.25 Information
1/3 0.656448
0.629060 -0.74
1.09 Information
2/5 0.789412
0.760928 0.20
1.23 Information
1/2 0.988858
0.848840 1.50
1.55
3/5 1.188304
1.156532 2.73
1.98
2/3 1.322253
1.288400 3.60
2.39
3/4 1.487473
1.420269 4.53
2.81
4/5 1.587196
1.508181 5.18
3.17
5/6 1.654663
1.596093 5.68
3.49
8/9 1.766451
1.727961 6.70
4.23
9/10 1.788612 NA
6.92
4.39
8PSK
3/5 1.779991
1.725319 6.20
3.70
2/3 1.980636
1.922040 7.32
4.35
3/4 2.228124
2.118761 8.61
5.13
5/6 2.478562
2.381056 10.15 6.21
8/9 2.646012
2.577778 11.49 7.26
9/10 2.679207 NA
11.78
7.50
16APSK
2/3 2.637201
2.548792 9.97
5.76
3/4 2.966728
2.809662 11.21 6.49
4/5 3.165623
2.983575 12.03 7.03
5/6 3.300184
3.157488 12.61 7.42
8/9 3.523143
3.418357 13.89 8.42
9/10 3.567342 NA
14.13
8.61
32APSK
3/4 3.703295
3.493093 13.73 8.04
4/5 3.951571
3.709309 14.64 8.67
5/6 4.119540
3.925526 15.28 9.13
8/9 4.397854
4.249850 16.69 10.26
9/10 4.453027 NA
17.05 10.56
Notes:
1.
Eb/No = Es/No – 10 Log (Spectral Efficiency).
2.
BER
≈
10
-9
at PER = 10
-7
3.
Performance with FECFRAME = 16,200 Bits and no pilot is typically 0.2 to 0.3 dB
higher.
Содержание CDM-710G
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Страница 26: ...CDM 710G High Speed Satellite Modem Revision 1 Preface MN CDM710G xx Notes...
Страница 48: ...CDM 710G High Speed Satellite Modem Revision 1 Introduction MN CDM710G 1 22 Notes...
Страница 66: ...CDM 710G High Speed Satellite Modem Revision 1 Ethernet Network Configurations MN CDM710G 3 14 Notes...
Страница 72: ...CDM 710G High Speed Satellite Modem Revision 1 Rear Panel Connector Pinouts MN CDM710G 4 6 Notes...
Страница 130: ...CDM 710G High Speed Satellite Modem Revision 1 Front Panel Operation MN CDM710G 6 54 Notes...
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Страница 160: ...CDM 710G High Speed Satellite Modem Revision 1 Clock Modes MN CDM710G 10 6 Notes...
Страница 180: ...CDM 710G High Speed Satellite Modem Revision 1 HSSI Interface CDI 60 MN CDM710G 13 6 Notes...
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