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Table 2 Computational operations of reduced-complexity power algorithm

From: A low-complexity channel training method for efficient SVD beamforming over MIMO channels

Line

Sums

Products

Divisions

Square roots

1

\(2 N_{\text {r}} \left( 2 N_{\text {t}} - 1 \right)\)

\(4 N_{\text {t}} N_{\text {r}}\)

0

0

2

\(2 N_{\text {r}} - 1\)

\(2 N_{\text {r}}\)

\(N_{\text {r}}\)

1