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Miniaturized bent slotted patch antenna over a reactive impedance surface substrate

Published online by Cambridge University Press:  12 February 2015

Saurabh Kumar  and
Dinesh Kumar Vishwakarma
Saurabh Kumar*
Affiliation:
Discipline of Electronics and Communication Engineering, PDPM Indian Institute of Information Technology, Design and Manufacturing, Jabalpur, India. Phone: +91 9407286763
Dinesh Kumar Vishwakarma
Affiliation:
Discipline of Electronics and Communication Engineering, PDPM Indian Institute of Information Technology, Design and Manufacturing, Jabalpur, India. Phone: +91 9407286763
*
Corresponding author:S. Kumar Email: saurabh_verma393@yahoomail.com
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Abstract

A reactive impedance surface (RIS) based miniaturized bent slotted patch antenna is proposed and investigated for S-band applications around 2.39 GHz. Bent slots in the patch reduce the patch antenna size by increasing current path on the patch. Further a RIS substrate with cross-shaped patch elements printed over a grounded dielectric is optimized and investigated for antenna miniaturization. The proposed bent slotted patch antenna over RIS substrate is 38.75% miniaturized with respect to traditional patch antenna at a fixed operating frequency. The proposed antenna reveals an overall volume of 0.280λ0 × 0.280λ0 × 0.036λ0 on a low-cost FR4 substrate at 2.39 GHz for S-band applications. The proposed antenna is fabricated and measured for its return loss. The measured results are in good agreement with simulated one.

Keywords

Antenna designModeling and measurementsAntennas and propagation for wireless systems
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 2 , March 2016 , pp. 347 - 352
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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