From: A simple block diagonal precoding for multi-user MIMO broadcast channels
Method | Computational complexity |
---|---|
SVD-BD |
|
8KN k N T (N T  − (K − 1)N k ) | |
| |
2K2N k 2 + 6KN k | |
| |
QR-BD |
|
8KN k N T (N T  − (K − 1)N k ) | |
| |
2K2N k 2 + 6KN k | |
 |
|