Introduction
CDM-760 Advanced High-Speed Trunking Modem
1.3.6.1
Es/No Performance
•
Chapter 6. FRONT PANEL OPERATION, Tables 6-3 through 6-5
•
Appendix B. EsNo MEASUREMENT
•
As per DVB-S2 QEF PER 10-7 Specifications (Normal Frames)
•
Applies with one like-modulated carrier spaced 1.3 x Symbol Rate and 10 dB
higher than the desired carrier
•
Conditions are 30 Msps and Pilots ON
Min SR
MOD
FEC
(Msps)
1/4
0.1
1/3
0.1
2/5
0.1
1/2
0.1
3/5
0.1
QPSK
2/3
0.1
3/4
0.1
4/5
0.1
5/6
0.1
8/9
0.1
9/10
0.1
3/5
0.1
2/3
0.1
3/4
0.1
8PSK
5/6
0.1
8/9
0.1
9/10
0.1
2/3
0.1
3/4
0.1
4/5
0.1
16APSK
5/6
0.1
8/9
0.1
9/10
0.1
3/4
0.1
4/5
0.1
32APSK
5/6
0.1
8/9
0.1
9/10
0.1
DVBS2, Normal Block, Pilot ON, QEF (PER 1E-7) AWGN Linear Channel
Max SR
Min DR
(Msps)
(Mbps)
150
0.05
150
0.06
150
0.08
150
0.10
150
0.12
150
0.13
150
0.15
150
0.15
150
0.16
150
0.17
150
0.17
120
0.17
120
0.19
120
0.22
120
0.24
120
0.26
120
0.26
90
0.26
90
0.29
90
0.31
90
0.32
90
0.34
90
0.35
72
0.36
72
0.39
72
0.40
72
0.43
72
0.44
Max DR
Spec Eff
(Mbps)
(Bits/Hz)
72
0.48
96
0.64
115.5
0.77
144.80
0.97
174.00
1.16
193.70
1.29
217.80
1.45
232.40
1.55
242.30
1.62
258.60
1.72
261.90
1.75
208.80
1.74
232.30
1.94
261.40
2.18
290.60
2.42
310.30
2.59
314.20
2.62
231.80
2.58
260.60
2.90
278.10
3.09
290.00
3.22
309.60
3.44
313.50
3.48
260.90
3.62
278.40
3.87
290.20
4.03
309.80
4.30
313.70
4.36
1–13
Revision 4
MN-CDM760
QEF
QEF
Eb/No
Es/No
0.9
-2.3
0.8
-1.1
0.9
-0.2
1.4
1.2
1.8
2.4
2.2
3.3
2.6
4.2
3.0
4.9
3.3
5.4
4.0
6.4
4.2
6.6
3.4
5.8
3.9
6.8
4.7
8.1
5.8
9.6
6.9
11.0
7.0
11.2
5.2
9.3
5.9
10.5
6.4
11.3
6.8
11.9
7.8
13.2
8.0
13.4
7.5
13.1
8.1
14.0
8.6
14.7
9.8
16.1
10.0
16.4
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