11 ldpc ll decoding, 12 ldpc hp decoding – Comtech EF Data SLM-5650A User Manual
Page 49
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SLM-5650A Satellite Modem
Revision 8
Introduction
MN-SLM5650AMN-SLM5650A
1–21
1.4.1.3.11 LDPC LL Decoding
Table 1-12. LDPC LL Decoder BER Performance
Eb/N0 (dB) Specification
BER
BPSK
QPSK
8QAM
16QAM
.382 .456 .547
1/2
2/3
3/4
7/8
2/3
3/4
7/8
2/3
3/4
7/8
10
-5
1.8
2.0
2.2
2.4
3.0
3.6
4.4
5.0
5.6
6.5
6.1
6.8
8.0
10
-8
2.1
2.3
2.5
2.7
3.3
3.9
5.0
5.4
5.9
7.1
6.5
7.1
8.4
1.4.1.3.12 LDPC HP Decoding
Table 1-13. LDPC HP Decoder BER Performance
Eb/N0 (dB) Specification
BER
BPSK
(O)QPSK
8QAM
16QAM
1/2
1/2
2/3
3/4
2/3
3/4
3/4
10
-5
2.0
2.0
2.3
3.0
4.6
5.6
6.8
10
-9
2.3
2.3
2.7
3.3
5.0
6.0
7.1
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