3/4 Rate Q/8Psk, 8/16Qam Ber Performance (Ldpc) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
7.22.15

3/4 Rate Q/8PSK, 8/16QAM BER Performance (LDPC)

1E-01
1E-02
B/O/QPSK Uncoded Theory
1E-03
1E-04
1E-05
1E-06
1E-07
1E-08
1E-09
0
Figure 7-15 – DMD50 Rate 2/3 Q/8PSK/8QAM BER Performance (LDPC)
MN-DMD50– Revision 3
Specification
Typical
Performance
1 2 3 4
8PSK Uncoded Theory
QPSK
8QAM
Specification
Specification
5 6 7
Eb/No in dB
Technical Specifications
2/3 Rate LDPC
Decoder
8PSK
8 9 10 11 12
7–24