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DMD15/DMD15L/DMD15/DMD15LL/DMD15/DMD15LIBS/IDR Satellite Modem Technical Specifications
TM051 - Rev. 5.8 7-5
7.10 DMD15 BER Specifications
Modem BER Performance (Viterbi)
Specification Typical
IBS IDR IDR IBS IBS IDR IDR
1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 3/4 Rate 7/8 Rate
10
-3
4.1 dB 5.2 dB 6.2 dB 3.25 dB 4.2 dB 4.35 dB 5.8 dB
10
-4
4.6 dB 6.0 dB 7.1 dB 3.8 dB 4.9 dB 5.25 dB 6.5 dB
10
-5
5.3 dB 6.7 dB 7.9 dB 4.6 dB 5.6 dB 5.9 dB 7.2 dB
10
-6
6.0 dB 7.5 dB 8.6 dB 5.2 dB 6.3 dB 6.6 dB 7.9 dB
10
-7
6.6 dB 8.2 dB 9.3 dB 5.9 dB 6.9 dB 7.3 dB 8.6 dB
10
-8
7.1 dB 8.7 dB 10.2 dB 6.4 dB 7.5 dB 7.8 dB 9.4 dB
8PSK Trellis Decoder 8PSK
BER Specification Typical
2/3 Rate 2/3 Rate
10
-3
6.2 dB 5.6 dB
10
-4
7.0 dB 6.4 dB
10
-5
7.8 dB 7.2 dB
10
-6
8.7 dB 8.1 dB
10
-7
9.5 dB 8.9 dB
10
-8
10.2 dB 9.7 dB
Trellis Decoder and Reed-Solomon
Specification Typical BER
8PSK 2/3 Rate 8PSK 2/3 Rate
10
-4
5.5 dB 5.1 dB
10
-5
5.8 dB 5.4 dB
10
-6
6.2 dB 5.6 dB
10
-7
6.5 dB 5.8 dB
10
-8
6.7 dB 6.1 dB
10
-9
6.9 dB 6.3 dB
Sequential Decoder BER Performance (1.544 Mbps)
BER
Specification Typical
1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 7/8 Rate