Reconfigurable Radiation Pattern of Planar Antenna Using Metamaterial for 5G Applications.

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ID: 90628
2020
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Abstract
In this research, a reconfigurable metamaterial (MM) structure was designed using a millimeter-wave (MMW) band with two configurations that exhibit different refractive indices. These two MM configurations are used to guide the antenna's main beam in the desired direction in the 5th generation (5G) band of 28 GHz. The different refractive indices of the two MM configurations created phase change for the electromagnetic (EM) wave of the antenna, which deflected the main beam. A contiguous squares resonator (CSR) is proposed as an MM structure to operate at MMW band. The CSR is reconfigured using three switches to achieve two MM configurations with different refractive indices. The simulation results of the proposed antenna loaded by MM unit cells demonstrate that the radiation beam is deflected by angles of +30° and -27° in the E-plane, depending on the arrangement of the two MM configurations on the antenna substrate. Furthermore, these deflections are accompanied by gain enhancements of 1.9 dB (26.7%) and 1.5 dB (22.4%) for the positive and negative deflections, respectively. The reflection coefficients of the MM antenna are kept below -10 dB for both deflection angles at 28 GHz. The MM antennas are manufactured and measured to validate the simulated results.
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ali-esmail2020reconfigurablematerials Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ali Esmail, Bashar;Majid, Huda A;Zainal Abidin, Zuhairiah;Haimi Dahlan, Samsul;Himdi, Mohamed;Dewan, Raimi;Kamal A Rahim, Mohamad;Al-Fadhali, Najib;
Journal Materials (Basel, Switzerland)
Year 2020
DOI
E582
URL
Keywords
5g beam deflection millimeter-wave (mmw) reconfigurable metamaterial

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