Low-Complexity Truncated Polynomial Expansion DL Precoders and UL Receivers for Massive MIMO in Correlated Channels - Benzin, Andreas; Caire, Giuseppe; Shadmi, Yonatan; Tulino, Antonia M. (IEEE transactions on wireless communications, 2019)
Keywords: Antennas; Beamforming; Coherence; complexity reduction; Computation; Covariance matrices; Covariance matrix; Downlinking; Eigenvectors; Large-scale MIMO; linear precoding; Mathematical analysis; Matrix algebra; Matrix methods; MIMO communication; OFDM; polynomial expansion; Polynomials; Power management; Precoding; random matrix theory; Reciprocity; Resource management; Transmission line matrix methods; uplink-downlink duality; Uplinking