Table 2 The Complexity of the Proposed Method at Users
From: Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system
| Â | Â | The number of operators | |
|---|---|---|---|
Generation of the vectors | Multiplications | (N t - 1)!8N t + (N t + 1) | 197 |
| Â | Square roots | 1 | 1 |
Selection of the BF vector | Multiplications | (N t - 1)(4N t + 2) | 54 |
| Â | Square roots | (N t - 1) | 3 |
Total | Multiplications | Â | 251 |
| Â | Square roots | Â | 4 |