| A Circular Shape Arc Slot Ultra-Wideband Antenna for Biomedical Applications |
Dawar Awan1 
, Shahid Bashir1
, Inam Bari2
, Muhammad Adil Bashir3
, Haider Ali4
, Imran Mohd Ibrahim5
, Saad Hassan Kiani6
, Huseyin Serif Savci6
, Zahriladha Zakaria5
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1Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan
2Systems Engineering Department, Military Technological College, Oman
3Electrical Engineering Department, Bahauddin Zakariya University, Multan, Pakistan
4Department of Electronics Engineering Technology, University of Technology, Nowshera, Pakistan
5Center for Telecommunication Research & Innovation (CeTRI), Faculty of Electronic and Computer Technology and Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Melaka, Malaysia
6Electrical and Electronics Engineering Department, Faculty of Engineering and Natural Sciences, Istanbul Medipol University, Istanbul, Türkiye |
Correspondence:
Imran Mohd Ibrahim,Email: imranibrahim@utem.edu.my
Saad Hassan Kiani,Email: iam.kiani91@gmail.com
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Received: 3 September 2023 • Revised: 27 November 2023 • Accepted: 29 December 2023 |
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| Abstract |
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In modern communication systems, ultra-wideband (UWB) technology has garnered substantial attention due to its superior attributes compared to traditional narrowband communication systems. Over the past decade, UWB technology has also found applications in microwave-based imaging systems. This study introduces a simple planar coplanar waveguide-fed circular shape arc slot antenna designed specifically for biomedicine and microwave medical imaging applications. The proposed design is implemented on a 1.6-mm-thick FR4 substrate with a relative permittivity of 4.4 and a loss tangent of 0.0009. The antenna has physical dimensions of 26 mm × 29 mm and achieves an impressive bandwidth of 16.6 GHz, spanning 2.4 to 19 GHz. It exhibits a peak gain of 2.5 dBi and consistent omnidirectional radiation characteristics. Thorough temporal analysis validates the antenna's performance within acceptable limits, which is further affirmed through practical fabrication and testing, demonstrating strong agreement with simulation results. |
| Key words:
Circular Shape Arc Slot, Coplanar Waveguide, Gain, Omni-directional, Ultra-Wideband |
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