Fig. 3From: A low-complexity channel training method for efficient SVD beamforming over MIMO channelsALU cycles needed to perform the Golub–Reinsch algorithm (GRA), the power iteration algorithm (PIA) with \(m=2, 4\) and 8 iterations and the reduced-complexity power algorithm (RCPA) for MIMO channels with equal number of transmit and receive antennasBack to article page