Optimizing the Spectral Efficiency in mmWave Massive SU-MIMO Systems Using Hybrid Processing

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Alvaro Javier Ortega

Abstract

In this letter, a methodology to optimize the spectral efficiency in downlink massive single-user multiple-input multiple-output (SU-MIMO) millimeter-wave (mmWave) systems is proposed. Making use of a hierarchical strategy, four optimization sub-problems are formulated, whose solutions and derivations are strongly related to each other. This fact produces efficient coordination between the parties involved such that higher spectral efficiency is achieved. Therefore, the main feature of the proposed methodology relies on the coordination of the proposed RF and passband beamformer of both the transmitter and the receiver. This fact produced that the proposed hybrid processing surpasses the considered hybrid processings and even the considered fully-digital technique in the simulated scenarios.

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How to Cite
Ortega, A. J. (2021). Optimizing the Spectral Efficiency in mmWave Massive SU-MIMO Systems Using Hybrid Processing. Journal of Communication and Information Systems, 36(1), 128–132. https://doi.org/10.14209/jcis.2021.14
Section
Letters