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Energies 2018, 11(8), 2029; https://doi.org/10.3390/en11082029

Energy Efficient Design of Massive MIMO Based on Closely Spaced Antennas: Mutual Coupling Effect

School of Telecommunication Engineering, Suranaree University of Technology, Nakhon Ratchasimina 30000, Thailand
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Received: 10 July 2018 / Revised: 30 July 2018 / Accepted: 2 August 2018 / Published: 5 August 2018
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Abstract

Massive Multiple Input Multiple Output MIMO technology is a promising candidate for the next generation of communication applications, which essentially group hundreds of transmitting antennas together at the base station and provides the higher energy and spectral efficiency. In this article, the transmitting antennas are assumed to be closely spaced at the base station, which in turn results into a mutual coupling effect between the antenna terminals. The optimal system parameters and the energy efficiency are computed by considering the mutual coupling effect between the antenna terminals. Mutual coupling effect is deeply investigated on the energy efficiency and the other optimal parameters. We propose the domain splitter algorithm for the optimization of energy efficiency and the computation of different optimal system parameters in this article. The computational complexity of the proposed domain splitter algorithm is not dependent on the number of transceiver chains, and the detailed comparison is presented between the proposed and the reference algorithms on the basis of the computational complexity, which shows the effectiveness of the proposed domain splitter algorithm. View Full-Text
Keywords: power consumption; massive MIMO; power; time division duplex; mutual coupling; energy efficiency power consumption; massive MIMO; power; time division duplex; mutual coupling; energy efficiency
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Uthansakul, P.; Ahmad Khan, A.; Uthansakul, M.; Duangmanee, P. Energy Efficient Design of Massive MIMO Based on Closely Spaced Antennas: Mutual Coupling Effect. Energies 2018, 11, 2029.

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