Comtech EF Data SDM-9000, Installation And Operation Manual

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SDM-9000 Satellite Modem Options
Rev. 4 A–29
A.2.11 DVB with Reed-Solomon BER (QPSK)
Table A-5 shows the DVB Reed-Solomon specifications for the E
b
/N
0
required to
achieve 10
-6
to 10
-10
BER for different configurations.
Table A-5. Reed-Solomon BER Data
Specification Typical
BER 1/2 Rate 3/4 Rate 7/8 Rate BER 1/2 Rate 3/4 Rate 7/8 Rate
10 -6 3.7 dB 4.7 dB 5.4 dB 10 -6 3.1 dB 4.0 dB 5.0 dB
10 -7 3.9 dB 4.9 dB 5.6 dB 10 -7 3.2 dB 4.1 dB 5.2 dB
10 -8 4.0 dB 5.1 dB 5.8 dB 10 -8 3.3 dB 4.2 dB 5.3 dB
10 -10 4.3 dB 5.4 dB 6.2 dB 10 -10 3.6 dB 4.5 dB 5.5 dB
All values are for QPSK mode operation. Refer to Figure A-22 for the DVB
Reed-Solomon BER curves.