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1.4.1.3.11
LDPC LL Decoding
BPSK
BER
.378
.451
1.8
2.0
-5
10
10
2.1
2.3
-8
1.4.1.3.12
LDPC HP Decoding
BPSK
BER
1/3
n/a
-5
10
n/a
-9
10
Introduction
Table 1-20. LDPC LL Decoder BER Performance
E b /N 0 (dB) Specification
QPSK
.541
1/2
2/3
3/4
2.2
2.4
3.0
3.6
2.5
2.7
3.3
3.9
Table 1-21. LDPC HP Decoder BER Performance
E b /N 0 (dB) Specification
1/2
1/2
2.0
2.0
2.3
2.3
8QAM
7/8
2/3
3/4
4.4
5.0
5.6
5.0
5.4
5.9
(O)QPSK
2/3
3/4
2/3
2.3
3.0
4.6
2.7
3.3
5.0
1–26
SLM-5650B Satellite Modem
Revision 2
16QAM
7/8
2/3
3/4
6.5
6.1
6.8
7.1
6.5
7.1
8QAM
16QAM
3/4
3/4
5.6
6.8
6.0
7.1
MN-SLM-5650B
7/8
8.0
8.4
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