Abstract
In this work, dielectric resonator antenna with superstrate is designed and analysed. Here, Frequency selective surface incorporated as superstrate on DRA behaves as a polarizer to achieve circular polarization. Impedance bandwidth of the DRA is 73.67% at 5.81 GHz operates in the frequency band 3.68–7.96 GHz. 3 dB axial ratio bandwidth is 18.93% at centre frequency 5.81 GHz and the overlapping bandwidth is 25.7%. Peak Gain of the antenna is also enhanced by 5.6 dBic at 6.5 GHz. The design structure simulated on Ansoft HFSS 15 and experimentally verified.
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Acknowledgement
We would like to thank Professor A. R. Harish, IIT Kanpur, India, for his permission to access antenna lab for the measurement of antenna parameters.
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Gangwar, D., Das, S., Yadava, R.L. et al. Frequency Selective Surface as Superstrate on Wideband Dielectric Resonator Antenna for Circular Polarization and Gain Enhancement. Wireless Pers Commun 97, 3149–3163 (2017). https://doi.org/10.1007/s11277-017-4667-4
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DOI: https://doi.org/10.1007/s11277-017-4667-4