Table 1 The complexity of LF-OSDMA at users
From: Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system
| Â | Â | The number of operators | ||
|---|---|---|---|---|
| Â | Â | Â | ( M = 8) | ( M = 1) |
Selection of the BF vector | Multiplications | N t M(4N t + 2) | 576 | 72 |
| Â | Square roots | N t M | 32 | 4 |