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4 8 8
0 1 2 3
4 5 6 7
0 1 2 3
4 5 6 7
0 1 2 3
4 5 6 7
0 1 2 3
4 5 6 7
0 4 2 6
1 5 3 7
4 0 6 2
5 1 7 3
2 6 0 4
3 7 1 5
6 2 4 0
7 3 5 1
This is the rate 2/3 Ungerboeck code with 8-states for 8-PSK (natural mapping).
The states are defined in Ungerboeck's way.
d_free^2 = 4.585 Es --> 6.6 dB (so gain of 3.6 dB over uncoded QPSK)
Parity check matrix in octal: [04 02 11]
Generator Matrix:
[ 1 D 0
D^2 1 D]
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