High directivity broadband hexagonal fractal ring antenna with modiﬁed ground

Tharanga Premathilake; Jeevani Jayasinghe; Omar Saraereh; Karu Esselle; Rajas Khokle

doi:10.37936/ecti-eec.2020181.239914

High directivity broadband hexagonal fractal ring antenna with modiﬁed ground

Tharanga Premathilake, Jeevani Jayasinghe^*, Omar Saraereh, Karu Esselle, Rajas Khokle

^*Corresponding author for this work

School of Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

96 Downloads (Pure)

Abstract

A highly directive fractal antenna with a novel shape is proposed in this paper. Finite Element Method based simulations were carried out on the first three iterations of a hexagonal fractal ring and the performance was measured in terms of the resonant behavior, directivity, radiation efficiency, current distribution, and radiation pattern. The second iteration fractal antenna radiates well along the broadside direction at the fundamental mode of operation. The ground plane was modified to improve the performance further. The antenna, etched on an FR4 substrate, has a directivity of 11.8 dB along the broadside direction with multi-frequency broadband performance over the frequency range of 3.12-7.46 GHz. Therefore, the proposed fractal antenna can be used for Wireless LAN applications. The antenna was fabricated and measured in order to validate the results.

Original language	English
Pages (from-to)	1-8
Number of pages	8
Journal	ECTI Transactions on Electrical Engineering, Electronics, and Communications
Volume	18
Issue number	1
DOIs	https://doi.org/10.37936/ecti-eec.2020181.239914
Publication status	Published - 28 Feb 2020

Bibliographical note

Copyright the Author(s) 2020. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

Directional Antennas
Wireless LAN
Finite Element Analysis

Access to Document

10.37936/ecti-eec.2020181.239914Licence: CC BY-NC-ND

Publisher version (open access)Final published version, 665 KBLicence: CC BY-NC-ND

Cite this

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title = "High directivity broadband hexagonal fractal ring antenna with modiﬁed ground",

abstract = "A highly directive fractal antenna with a novel shape is proposed in this paper. Finite Element Method based simulations were carried out on the first three iterations of a hexagonal fractal ring and the performance was measured in terms of the resonant behavior, directivity, radiation efficiency, current distribution, and radiation pattern. The second iteration fractal antenna radiates well along the broadside direction at the fundamental mode of operation. The ground plane was modified to improve the performance further. The antenna, etched on an FR4 substrate, has a directivity of 11.8 dB along the broadside direction with multi-frequency broadband performance over the frequency range of 3.12-7.46 GHz. Therefore, the proposed fractal antenna can be used for Wireless LAN applications. The antenna was fabricated and measured in order to validate the results.",

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AU - Premathilake, Tharanga

AU - Jayasinghe, Jeevani

AU - Saraereh, Omar

AU - Esselle, Karu

AU - Khokle, Rajas

N1 - Copyright the Author(s) 2020. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2020/2/28

Y1 - 2020/2/28

N2 - A highly directive fractal antenna with a novel shape is proposed in this paper. Finite Element Method based simulations were carried out on the first three iterations of a hexagonal fractal ring and the performance was measured in terms of the resonant behavior, directivity, radiation efficiency, current distribution, and radiation pattern. The second iteration fractal antenna radiates well along the broadside direction at the fundamental mode of operation. The ground plane was modified to improve the performance further. The antenna, etched on an FR4 substrate, has a directivity of 11.8 dB along the broadside direction with multi-frequency broadband performance over the frequency range of 3.12-7.46 GHz. Therefore, the proposed fractal antenna can be used for Wireless LAN applications. The antenna was fabricated and measured in order to validate the results.

AB - A highly directive fractal antenna with a novel shape is proposed in this paper. Finite Element Method based simulations were carried out on the first three iterations of a hexagonal fractal ring and the performance was measured in terms of the resonant behavior, directivity, radiation efficiency, current distribution, and radiation pattern. The second iteration fractal antenna radiates well along the broadside direction at the fundamental mode of operation. The ground plane was modified to improve the performance further. The antenna, etched on an FR4 substrate, has a directivity of 11.8 dB along the broadside direction with multi-frequency broadband performance over the frequency range of 3.12-7.46 GHz. Therefore, the proposed fractal antenna can be used for Wireless LAN applications. The antenna was fabricated and measured in order to validate the results.

KW - Directional Antennas

KW - Wireless LAN

KW - Finite Element Analysis

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High directivity broadband hexagonal fractal ring antenna with modiﬁed ground

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