An Ultra-Miniaturized MCPM Antenna for Ultra-Wideband Applications

Authors Ahmed Jamal Abdullah Al-Gburi, Imran Mohd Ibrahim, Zahriladha Zakaria

Faculty of Electronics and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia

Issue Volume 13, Year 2021, Number 5
Dates Received 16 August 2021; revised manuscript received 20 October 2021; published online 25 October 2021
Citation Ahmed Jamal Abdullah Al-Gburi, Imran Mohd Ibrahim, Zahriladha Zakaria, J. Nano- Electron. Phys. 13 No 5, 05012 (2021)
PACS Number(s) 84.40.Ba, 06.30.Ft
Keywords MCPM antenna, Ultra-miniaturized, Gain (8) , Ultra-wideband (UWB), Coplanar waveguide (CPW).

In this paper, an ultra-miniaturized modified circular printed monopole (MCPM) antenna is proposed for ultra-wideband (UWB) applications. The proposed antenna consists of four circular discs connected to the structure of the MCPM antenna, which leads to enhancing the antenna impedance bandwidth. The stated MCPM antenna is fed by a coplanar waveguide (CPW) to achieve a 50 W impedance matching. A Rogers RT5880 substrate (tand = 0.0004 and εr = 2.2) is employed for design simulation. The proposed UWB MCPM antenna is designed and simulated for frequencies from 3 up to 11 GHz utilizing computer simulation technology (CST) software. The MCPM antenna is successfully designed and simulated, and its parametric study is performed in a comprehensive way to validate the design novelty. Furthermore, the proposed antenna shows a stable radiation pattern with good gain in the operating band. The stated antenna is also compared with the related literature reviews to differentiate its performance. The total dimension of the finalized antenna is 0.15l0×0.15l0×0.0016l0 that corresponds to the lowest operating frequency of 3 GHz. The finalized MCPM antenna achieves peak gain of 3.2 dB and directivity of 3.9 dBi with high efficiency of 85 % at 11 GHz. Besides, the antenna offers a wide enough bandwidth to be used for UWB and radio communication applications.

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