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Comtech EF Data SLM-5650B - LDPC HP Decoding; LDPC LL Decoding; Table 1-20. LDPC LL Decoder BER Performance; Table 1-21. LDPC HP Decoder BER Performance

Comtech EF Data SLM-5650B
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SLM-5650B Satellite Modem
Revision 2
Introduction 1–26 MN-SLM-5650B
1.4.1.3.11 LDPC LL Decoding
Table 1-20. LDPC LL Decoder BER Performance
E
b
/N
0
(dB) Specification
BER
BPSK QPSK 8QAM 16QAM
.378 .451 .541 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 1-21. LDPC HP Decoder BER Performance
E
b
/N
0
(dB) Specification
BER
BPSK (O)QPSK 8QAM 16QAM
1/3 1/2 1/2 2/3 3/4 2/3 3/4 3/4
10
-5
n/a
2.0 2.0 2.3 3.0 4.6 5.6 6.8
10
-9
n/a
2.3 2.3 2.7 3.3 5.0 6.0 7.1

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