Es/No Performance - Comtech EF Data CDM-760 Installation And Operation Manual

Advanced high-speed trunking modem
Table of Contents

Advertisement

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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CDM-760 and is the answer not in the manual?

Subscribe to Our Youtube Channel

Table of Contents

Save PDF