SLM-3650 Satellite Modem
Revision 3
Introduction
MN/SLM3650.IOM
1–23
1.5.5 Sequential
Decoder BER (1544 kbps)
Table 1-9 lists the sequential specifications for the E
b
/N
0
required to achieve 10
-3
to 10
-8
BER at 1544 kbps. All values are for operating in BPSK and QPSK modes. Refer to
Figure 1-8 for the Sequential BER curves.
Table 1-9. Sequential Decoder BER Data (1544 kbps)
Specification
Typical
BER
1/2 Rate
3/4 Rate
7/8 Rate
1/2 Rate
3/4 Rate
7/8 Rate
10-3
4.8 dB
5.2 dB
6.0 dB
4.3 dB
4.7 dB
5.5 dB
10-4
5.2 dB
5.7 dB
6.4 dB
4.7 dB
5.2 dB
5.9 dB
10-5
5.6 dB
6.1 dB
6.9 dB
5.1 dB
5.6 dB
6.4 dB
10-6
5.9 dB
6.5 dB
7.4 dB
5.4 dB
6.1 dB
6.9 dB
10-7
6.3 dB
7.0 dB
7.9 dB
5.8 dB
6.5 dB
7.4 dB
10-8
6.7 dB
7.4 dB
8.4 dB
6.2 dB
6.9 dB
7.9 dB
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