The Design of a Wideband Antenna with Notching Characteristics for Small Devices Using a Genetic Algorithm

Wahaj Abbas Awan, Abir Zaidi, Musa Hussain, Niamat Hussain and Ikram Syed
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Wahaj Abbas Awan: Department of Integrated IT Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
Abir Zaidi: Department of Electrical Engineering, Faculty of Science and Techniques, Hassan II University, Casablanca 20000, Morocco
Musa Hussain: Department of Electrical Engineering, Bahria University Islamabad Campus, Islamabad 44000, Pakistan
Niamat Hussain: Department of Information and Communication Engineering, Chungbuk National University, Chengju 28644, Korea
Ikram Syed: Department of Computer Software Engineering, Military College of Signals, National University of Science and Technology, Islamabad 44000, Pakistan

Mathematics, 2021, vol. 9, issue 17, 1-13

Abstract: This paper presents the design and realization of a compact printed ultra-wideband (UWB) antenna with notching characteristics for compact devices using a genetic algorithm. The antenna is capable of mitigating an adjacent sub-band ranging from 3.75 to 4.875 GHz, mainly used by many applications and standards such as WiMAX, WLAN and sub-6-GHz. The notch band functionality is achieved by etching out two symmetrical slots from the pentagonal radiating element. The simulation and measured results demonstrate that the proposed antenna overperformed compared with state-of-the-art antennas in terms of compactness with an overall size of 20 mm × 15 mm × 0.508 mm . Moreover, the proposed design shows a large bandwidth in the UWB region with a fractional bandwidth of 180% with respect to the center frequency of 5.25 GHz. The antenna also presents omnidirectional radiations all over the operation band and a good return loss performance.

Keywords: compact size; UWB; monopole antenna; notch band; antennas for small devices (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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