Dvb-S Eb/No (C/N) Ratio - Cisco D9865 Installation And Configuration Manual

Appendix A Technical Specifications

DVB-S Eb/No (C/N) Ratio

Convolutional FEC Rate
1/2
2/3
3/4
5/6
7/8
Note The D9865 receiver displays the C/N Ratio.
C/N = Eb/No + 10 log (2 x FEC X 188/204)
DVB-S2 Error Rate Performance ES/No (C/N) Ratio
Mode
QPSK 1/2
QPSK 3/5
QPSK 2/3
QPSK 3/4
QPSK 4/5
QPSK 5/6
QPSK 8/9
QPSK 9/10
8PSK 3/5
8PSK 2/3
8PSK 3/4
8PSK 5/6
8PSK 8/9
8PSK 9/10
OL-31085-01
Eb/No Ratio (dB) in Linear
Channel and IF Loop
configuration
4.5
5.0
5.5
6.0
6.4
Simulated Es/No (dB) for FEC
Frame length = 64,800
1.00
2.23
3.10
4.03
4.68
5.18
6.20
6.42
5.50
6.62
7.91
9.35
10.69
10.98
Cisco D9865 Satellite Receiver Software Version 2.20 Installation and Configuration Guide
DVB-S Eb/No (C/N) Ratio
C/N at DVB Threshold (BW =
Symbol Rate)
4.1
5.9
6.9
7.9
8.5
Typical Performance (dB) in
Linear Channel and IF Loop
Configuration
1.2
2.4
3.2
4.2
4.8
5.3
6.4
6.6
5.8
6.8
8.1
9.6
10.9
11.3
A-3