Electromagnetic modeling of reconfigurable antenna array for 5G communications

H. Helali, S. Smirani, M. Aidi and T. Aguili

Journal of Electromagnetic Waves and Applications, 2021, vol. 35, issue 17, 2368-2383

Abstract: The integration of extra wireless services in the limited size of mobile devices is a very challenging task. In this context, the antenna array presents the best choice to meet these requirements. This research demonstrates a reconfigurable antenna array system proposed for future 5G applications. The characteristics of the proposed structure are examined while using electromagnetic modeling. The mathematical formulation reposes on combining the moment method and generalized equivalent circuit’s methods (MoM-GEC), and the deduced electromagnetic equations allow the computation of the input impedance $ {Z_{in}} $ Zin, the reflection parameter $ {S_{11}} $ S11 and the current and electric field distributions. Software simulations prove good agreement with MoM-GEC results. The obtained results offer the possibility to generate various modes governed by a decision tree. Thus, these modes are related to different resonant frequencies suitable for 5G mobile communications with a large bandwidth reaching 560 MHz.

Date: 2021
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DOI: 10.1080/09205071.2021.1950576

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