Figure 1-4. Viterbi Ber Performance Curves (Qpsk) - Comtech EF Data SDM-9000 Installation And Operation Manual

SDM-9000 Satellite Modem
-2
10
-3
10
-4
10
-5
10
-6
10
BER
-7
10
-8
10
-9
10
-10
10
3.0 4.0
Rev. 4
5.0 6.0

Figure 1-4. Viterbi BER Performance Curves (QPSK)

1/2 RATE 3/4 RATE
SPECIFICATIONS
7.0 8.0
E /N (dB)
b 0
Introduction
7/8 RATE
9.0 10.0 11.0
1–13