Comtech EF Data SLM-5650A - Manual (Page 45)

SLM-5650A Satellite Modem Revision 8
Introduction MN-SLM5650AMN-SLM5650A
1–17
1.4.1.3 BER Performance
1.4.1.3.1 BPSK/QPSK/Offset QPSK, Viterbi Decoding
Table 1-3. Viterbi Decoder BER
E
b
/N
o
(dB) Specifications
Viterbi Decoder
BER 1/2 3/4 7/8 Uncoded
10 -3 3.8 5.0 6.3
10 -4 4.7 5.9 7.1
10 -5 5.3 6.6 7.8 10.8
10 -6 5.9 7.2 8.4 11.6
10 -7 6.5 7.8 9.0 12.4
10 -8 7.1 8.3 9.5 13.0
1.4.1.3.2 BPSK/QPSK/Offset QPSK, Viterbi Decoding and Reed-Solomon
Table 1-4. BSPK/QPSK/OQPSK Viterbi with Reed-Solomon Decoder BER Performance
E
b
/N
o
(dB) Specifications
Viterbi Decoder with Reed-Solomon
BER 1/2 3/4 7/8
10 -6 4.1 5.6 6.7
10 -7 4.4 6.0 7.1
10 -8 5.0 6.3 7.5
1.4.1.3.3 8PSK, Trellis Decoder
Table 1-5. 8PSK, Trellis Decoder BER Performance
E
b
/N
o
(dB) Specifications
Trellis Decoder
BER 2/3 5/6
10 -3 6.5 8.7
10 -4 7.3 9.4
10 -5 8.1 10.1
10 -6 8.9 10.8
10 -7 9.6 11.6
10 -8 10.2 12.3