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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2023-11-11
Flexible Irregular-Hexagonal CPW-Fed Monopole Antenna with Windmill-Shaped Fractals for Ultra-Wideband Technology
By
Mohamed E. Yassin,

    Dr. Mohamed E. Yassin

    Electrical Engineering Department

    Akhbar Elyom Academy

    Egypt

    Homepage

Yousef Hassan,

    Dr. Yousef Hassan

    Electrical Engineering Department

    Akhbar Elyom Academy

    Egypt

    Homepage

Olaoluwa Popoola,

    Dr. Olaoluwa Popoola

    James Watt School of Engineering

    University of Glasgow

    UK

    Homepage

Moath Alathbah,

    Dr. Moath Alathbah

    Electrical Engineering Department, College of Engineering

    King Saud University

    Saudi Arabia

    Homepage

Shaimaa Mohassieb

    Dr. Shaimaa Mohassieb

    Akhbar Elyom Academy

    Egypt

    Homepage

Progress In Electromagnetics Research Letters, Vol. 113, 91-100, 2023
doi:10.2528/PIERL23081402 | Google Scholar

Abstract
A novel flexible printed monopole antenna with a windmill-shaped fractal design, which is fed by co-planar waveguide (CPW) is presented in this manuscript for ultra-wideband (UWB) applications. By integrating a modified windmill-shape fractal into the conventional irregular hexagonal-patch, the antenna achieves a significantly wider impedance bandwidth extending up to 156.6% across the frequency band of 1.37-11.25 GHz. Additionally, increasing the number of the windmill-shaped fractals leads to the emergence of further resonances. The overall dimensions of the designed antenna are 50 × 70 × 0.2 mm3, and it boasts an impressive bandwidth-dimension ratio (BDR) of 4457, showcasing exceptional efficiency in utilizing its compact size. The maximum gain reaches 4.8 dBi, while the radiation efficiency attains an impressive 98%. The modified windmill-shape fractal antenna design leverages the multifractal concept, providing monopole antennas with enhanced flexibility in controlling resonances and bandwidth. This manuscript offers a comprehensive presentation and discussion of the process used to improve the impedance bandwidth, shedding light on the antenna's exceptional performance and capabilities.
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Citation
Mohamed E. Yassin, Yousef Hassan, Olaoluwa Popoola, Moath Alathbah, and Shaimaa Mohassieb, "Flexible Irregular-Hexagonal CPW-Fed Monopole Antenna with Windmill-Shaped Fractals for Ultra-Wideband Technology," Progress In Electromagnetics Research Letters, Vol. 113, 91-100, 2023.
doi:10.2528/PIERL23081402
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