Table 1 Computational operations power iteration algorithm
From: A low-complexity channel training method for efficient SVD beamforming over MIMO channels
Line | Sums | Products | Divisions | Square roots |
|---|---|---|---|---|
1 | \(2 N_{\text {r}}^2 \left( 2 N_{\text {t}} - 1 \right) m\) | \(4 N_{\text {t}} N_{\text {r}}^2 m\) | 0 | 0 |
4 | \(2 N_{\text {r}} \left( 2 N_r - 1 \right) m\) | \(4 N_r^2 m\) | 0 | 0 |
7 | \(2 \left( N_{\text {r}} - 1 \right) m\) | \(2 N_{\text {r}} m\) | \(N_{\text {r}} m\) | m |