Comtech EF Data SDM-9000 - Manual (Page 37)

SDM-9000 Satellite Modem Introduction
Rev. 4 1–15
10
-4
10
-3
10
-5
10
-6
BER
10
-7
10
-9
10
-8
10
-10
3.0 4.0 5.0 6.0
E
b
/N
0
(dB)
7.0 8.0 9.0 10.0 11.0
10
-2
3/4 RATE
SPECIFICATIONS
1/2 RATE 7/8 RATE
Figure 1-5. Reed-Solomon BER Performance Curves (QPSK)