A Tapered Fork-Shaped Antenna With Small Ground Plane for UWB Applications

A Tapered Fork-Shaped Antenna With Small Ground Plane for UWB Applications

Amro A. Nour, Ali Bostani, Girish Awadhwal
Copyright: © 2021 |Pages: 12
DOI: 10.4018/IJITN.2021010102
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Abstract

A tapered fork-shaped antenna having small ground for ultra-wide band (UWB) antenna is proposed in this paper. Finite element method has been successfully employed to simulate and optimize the feed line, ground, and tapered fork-shaped diameter to enhance the performance of the antenna in terms of bandwidth obviously for the ultra-wideband purposes. An acceptable impedance matching performance has been achieved, which is a band wider than the UWB band that is defined by the Federal Communications Commission (FCC). In this paper, the detailed design parameters including the key elements in bandwidth enhancement is presented. The results of the finite element simulations have been presented as well indicating the return loss and radiation pattern of the proposed antenna.
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2. Antenna Design

Figure 1 presents the configuration of the proposed wideband antenna, which consists of a tapered fork shaped patch with rectangular ground. The proposed antenna, which has dielectric dimension of 69 mm × 69 mm, is constructed on FR4 substrate with thickness of 1.6 mm and relative dielectric constant of 4.4. The width of the Micro-strip feed line is fixed at 2.6 mm with ground dimensions of 23.5mm×30mm.

Figure 1.

Configuration of the proposed UWB antenna

IJITN.2021010102.f01

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