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The design of a turtle-shaped dielectric resonator antenna for ultrawide-band applications

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Abstract

A novel type of turtle-shaped dielectric resonator antenna is proposed for use in ultrawide-band applications. Nine layers of different shapes of slabs are integrated and excited through a conformal strip. This staired-pyramid-type structure provides a large surface area for higher radiation efficiency. The integrated antenna is built on a defected ground structure to enhance the bandwidth of the antenna. The simulations and measured results for a fabricated prototype antenna for use in ultra-wideband applications are found to be in good agreement. The proposed antenna operates from 3.0 to 10.9 GHz (bandwidth 7.9 GHz), providing an impedance bandwidth of 114%. The ultrawide bandwidth is achieved by proper mixing of lower and higher modes generated through the slabs.

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Acknowledgements

Mr. Harinder Singh and Mr. Mukul Verma, Bharat Electronics Limited (BEL), UP, India provided unconditional support for the experimental results on the fabricated turtle-shaped UWB antenna.

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Authors and Affiliations

  1. School of Engineering and Technology, Ansal University, Gurugram, Haryana, India

    Piyush Sharma & Arti Vaish

  2. Ambedkar Institute of Advance Communications Technology and Research, New Delhi, Delhi, India

    R. S. Yaduvanshi

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  1. Piyush Sharma
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  2. Arti Vaish
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  3. R. S. Yaduvanshi
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Correspondence to Piyush Sharma.

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Sharma, P., Vaish, A. & Yaduvanshi, R.S. The design of a turtle-shaped dielectric resonator antenna for ultrawide-band applications. J Comput Electron 18, 1333–1341 (2019). https://doi.org/10.1007/s10825-019-01374-8

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  • DOI: https://doi.org/10.1007/s10825-019-01374-8

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