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

Author

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  • Peerapong Uthansakul

    (School of Telecommunication Engineering, Suranaree University of Technology, Nakhon Ratchasimina 30000, Thailand)

  • Arfat Ahmad Khan

    (School of Telecommunication Engineering, Suranaree University of Technology, Nakhon Ratchasimina 30000, Thailand)

  • Monthippa Uthansakul

    (School of Telecommunication Engineering, Suranaree University of Technology, Nakhon Ratchasimina 30000, Thailand)

  • Pumin Duangmanee

    (School of Telecommunication Engineering, Suranaree University of Technology, Nakhon Ratchasimina 30000, Thailand)

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.

Suggested Citation

  • Peerapong Uthansakul & Arfat Ahmad Khan & Monthippa Uthansakul & Pumin Duangmanee, 2018. "Energy Efficient Design of Massive MIMO Based on Closely Spaced Antennas: Mutual Coupling Effect," Energies, MDPI, vol. 11(8), pages 1-25, August.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:8:p:2029-:d:162049
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    References listed on IDEAS

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    1. Arfat Ahmad Khan & Peerapong Uthansakul & Pumin Duangmanee & Monthippa Uthansakul, 2018. "Energy Efficient Design of Massive MIMO by Considering the Effects of Nonlinear Amplifiers," Energies, MDPI, vol. 11(5), pages 1-22, April.
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    Cited by:

    1. Peerapong Uthansakul & Arfat Ahmad Khan, 2019. "On the Energy Efficiency of Millimeter Wave Massive MIMO Based on Hybrid Architecture," Energies, MDPI, vol. 12(11), pages 1-19, June.
    2. Peerapong Uthansakul & Arfat Ahmad Khan, 2019. "Enhancing the Energy Efficiency of mmWave Massive MIMO by Modifying the RF Circuit Configuration," Energies, MDPI, vol. 12(22), pages 1-23, November.

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