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SDM-300A Satellite Modem
C.4.6
Performance with Noise at 1544 kbit/s, Sequential Decoder, and
Reed-Solomon (Optional)
Refer to Figure C-6 for the Sequential BER curves.
Table C-12 lists the sequential specifications for the E
BER at 1544 kbit/s. All values are for operating in BPSK and QPSK modes.
Table C-12. Sequential Decoder BER Curves (Reed-Solomon)
Rev. 4
E b /N 0 (dB) Specifications
BER
1/2 Rate
-6
10
4.1
-7
10
4.2
-8
10
4.4
-10
10
5.0
/N
required to achieve 10
b
0
3/4 Rate
7/8 Rate
5.6
6.7
5.8
6.9
6.0
7.1
6.3
7.5
Specifications
-3
to 10
-8
C–29
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