Super compact UWB monopole antenna for small IoT devices

Zakaria, Zahriladha and Al-Gburi, Ahmed Jamal Abdullah and Mohd Ibrahim, Imran and Palandoken, Merih and Althuwayb, Ayman A. and Ahmad, Sarosh and Al-Bawri, Samir Salem (2022) Super compact UWB monopole antenna for small IoT devices. Computers, Materials & Continua, 73 (2). pp. 2785-2799. ISSN 1546-2218

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Abstract

This article introduces a novel, ultrawideband (UWB) planar monopole antenna printed on Roger RT/5880 substrate in a compact size for small Internet of Things (IoT) applications. The total electrical dimensions of the proposed compact UWB antenna are 0.19 λo × 0.215 λo × 0.0196 λo with the overall physical sizes of 15 mm × 17 mm × 1.548 mm at the lower resonance frequency of 3.8 GHz. The planar monopole antenna is fed through the linearly tapered microstrip line on a partially structured ground plane to achieve optimum impedance matching for UWB operation. The proposed compact UWB antenna has an operation bandwidth of 9.53 GHz from 3.026 GHz up to 12.556 GHz at -10 dB return loss with a fractional bandwidth (FBW) of about 122%. The numerically computed and experimentally measured results agree well in between. A detailed time-domain analysis is additionally accomplished to verify the radiation efficiency of the proposed antenna design for the ultra-wideband signal propagation. The fabricated prototype of a compact UWB antenna exhibits an omnidirectional radiation pattern with the low peak measured gain required of 2.55 dBi at 10 GHz and promising radiation efficiency of 90%. The proposed compact planar antenna has technical potential to be utilized in UWB and IoT applications.

Item Type:	Article
Uncontrolled Keywords:	Internet of things (IoT), Ultra-wideband (UWB) application, Compact UWB monopole antenna
Divisions:	Faculty of Electronics and Computer Engineering
Depositing User:	mr eiisaa ahyead
Date Deposited:	28 Feb 2023 08:00
Last Modified:	28 Feb 2023 08:00
URI:	http://eprints.utem.edu.my/id/eprint/26474
Statistic Details:	View Download Statistic

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