Table 2 8PSK sub mappings of the irregularly mapped BICM-ISCD system with 16-level Lloyd-Max quantized i.i.d. Gaussian source samples
From: Irregular 8PSK mapping for variable length codes with small blocks in a BICM-ID system
Index | Constellation mapping | Index in [ 20] | Weight factor α j |
|---|---|---|---|
1 | 0,1,3,2,6,7,5,4 | 72 (Gray) | 0.100 |
2 | 0,1,2,3,7,6,5,4 | 15 | 0.075 |
3 | 0,1,2,6,7,3,5,4 | 62 | 0.030 |
4 | 0,1,2,5,4,6,7,3 | 44 | 0 |
5 | 0,1,2,3,4,6,5,7 | 3 | 0.540 |
6 | 0,1,2,4,7,6,5,3 | 35 | 0.025 |
7 | 0,1,2,4,3,5,6,7 | 16 | 0 |
8 | 0,1,2,5,6,3,4,7 | 46 | 0.220 |
9 | 0,3,4,7,1,2,5,6 | 86 (MSEW) | 0.010 |