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4 16 8
0 8 2 10
0 8 2 10
1 9 3 11
1 9 3 11
0 8 2 10
0 8 2 10
1 9 3 11
1 9 3 11
4 12 6 14
4 12 6 14
5 13 7 15
5 13 7 15
4 12 6 14
4 12 6 14
5 13 7 15
5 13 7 15
0 6 2 4
2 4 0 6
6 0 4 2
4 2 6 0
4 2 6 0
6 0 4 2
2 4 0 6
0 6 2 4
1 7 3 5
3 5 1 7
7 1 5 3
5 3 7 1
5 3 7 1
7 1 5 3
3 5 1 7
1 7 3 5
This is the rate 2/3 Ungerboeck code with 16 states for 8-PSK (natural mapping).
The states are defined in typical way.
d_free^2 = 2.274^2Es --> 7.13 dB (so gain of 4.13 dB over uncoded QPSK)
Parity check matrix in octal: [16 04 23]
Generator Matrix:
[ D 1+D+D^2 0
1+D^2 D^2 D]
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