Approximate Gram-Matrix Interpolation for Wideband Massive MU-MIMO Systems
IEEE Transactions on Vehicular Technology（2020）
Abstract
Linear and non-linear data-detection and precoding algorithms for wideband massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems that rely on orthogonal frequency-division multiplexing (OFDM) or single-carrier frequency-division multiple access (SC-FDMA) often require computation of the Gram matrix for each active subcarrier. Computing the Gram matrix for each active subca...
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Key words
Interpolation,Precoding,Wideband,Antennas,Approximation algorithms,Correlation,OFDM
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