From: Codebook-based precoding for generalized spatial modulation with diversity
Ant0 | Ant1 | {I0,k} | {I1,k} | … | … | … | … | … | {I7,k} |
0 | 1 | × | ✓ | ✓ | ✓ | ✓ | × | ✓ | ✓ |
0 | 2 | ✓ | × | ✓ | ✓ | ✓ | ✓ | × | ✓ |
0 | 3 | ✓ | ✓ | × | ✓ | ✓ | ✓ | ✓ | × |
0 | 4 | ✓ | ✓ | ✓ | × | ✓ | ✓ | ✓ | ✓ |
1 | 2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | × |
1 | 3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
1 | 4 | ✓ | × | ✓ | ✓ | × | ✓ | ✓ | ✓ |
2 | 3 | ✓ | ✓ | ✓ | × | × | ✓ | ✓ | ✓ |
2 | 4 | ✓ | ✓ | × | ✓ | ✓ | × | ✓ | ✓ |
3 | 4 | × | ✓ | ✓ | ✓ | ✓ | ✓ | × | ✓ |
Ant0 | Ant1 | {I8,k} | {I9,k} | … | … | … | … | … | {I15,k} |
0 | 1 | × | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
0 | 2 | ✓ | × | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
0 | 3 | ✓ | ✓ | × | ✓ | ✓ | ✓ | ✓ | ✓ |
0 | 4 | ✓ | ✓ | ✓ | × | ✓ | × | ✓ | ✓ |
1 | 2 | ✓ | ✓ | ✓ | ✓ | × | × | ✓ | ✓ |
1 | 3 | ✓ | × | ✓ | × | ✓ | ✓ | × | ✓ |
1 | 4 | ✓ | ✓ | × | ✓ | ✓ | ✓ | ✓ | ✓ |
2 | 3 | × | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
2 | 4 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | × | × |
3 | 4 | ✓ | ✓ | ✓ | ✓ | × | ✓ | ✓ | × |