Comtech EF Data SDM-300A User Manual
Page 376
SDM-300A Satellite Modem
Revision 6
Specifications
MN/SDM300A.IOM
19–20
19.6.5
Performance with Noise, 1544 kbps and Sequential Decoder
(Optional)
Table 19-14lists 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.
Table 19-14. Sequential Decoder BER Data (1544 kbps)
Eb/N0 (dB) Specification
BER
1/2 Rate
3/4 Rate
7/8 Rate
10-3
4.8 5.2 6.0
10-4
5.2 5.7 6.4
10-5
5.6 6.1 6.9
10-6
5.9 6.5 7.4
10-7
6.3 7.0 7.9
10-8
6.7 7.4 8.4
19.6.6
Performance with Noise at 1544 kbps, Sequential Decoder, and
Reed-Solomon (Optional)
Table 19-15lists 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.
Table 19-15. Sequential Decoder BER (Reed-Solomon)
Eb/N0 (dB) Specification
BER
1/2 Rate
3/4 Rate
7/8 Rate
10-6
4.1 5.6 6.7
10-7
4.2 5.8 6.9
10-8
4.4 6.0 7.1
10-10
5.0 6.3 7.5