Table 4 Example of four patterns for mapping GF(64) symbols to 16-QAM symbols
From: Low complexity soft demapping for non-binary LDPC codes
Number | Mapping pattern (m1 = 2, m2 = 3) | |||||
|---|---|---|---|---|---|---|
| Â | I0 | Q0 | I1 | Q1 | I2 | Q2 |
P1 | a 0 a 1 | a 2 a 3 | a 4 a 5 | b 0 b 1 | b 2 b 3 | b 4 b 5 |
P2 | a 0 b 0 | a 1 b 1 | a 2 b 2 | a 3 b 3 | a 4 b 4 | a 5 b 5 |
P3 | a 0 a 1 | b 0 b 1 | a 2 a 3 | b 2 b 3 | a 4 a 5 | b 4 b 5 |
P4 | a 0 b 0 | b 1 a 1 | a 2 b 2 | b 3 a 3 | a 4 b 4 | b 5 a 5 |