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2021 | OriginalPaper | Chapter

Design and Analysis of Koch Fractal Slots for Ultra-Wideband Applications

Authors : Sudheer Kumar Terlapu, M. Venkata Subba Rao, P. Satish Rama Chowdary, Suresh Chandra Satapaty

Published in: Microelectronics, Electromagnetics and Telecommunications

Publisher: Springer Singapore

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Abstract

In this paper, a design of a dual-band Koch fractal antenna is proposed. Patch antenna has dimensions of 30 mm × 18 mm × 0.76 mm which operates in ultra-wideband (UWB) with a notch band from 5 to 6 GHz. Further, the design is modified using different Koch fractal geometries to observe the multi-band resonant behavior of the antenna. The modified antenna has dimensions of 18 mm × 18 mm × 0.8 mm. By modifying the shape of radiating patch and ground with fractal shapes and by introducing slots, impedance bandwidth and radiation characteristics were improved. The proposed antenna works well for WiMAX and WLAN applications with approximately 95% radiation efficiency. The parametric analysis is carried out for various parameters in order to obtain better return loss characteristics. The design is simulated using HFSS software, and the performance is measured by obtaining the antenna parameters.

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Title: Design and Analysis of Koch Fractal Slots for Ultra-Wideband Applications
Authors: Sudheer Kumar Terlapu
M. Venkata Subba Rao
P. Satish Rama Chowdary
Suresh Chandra Satapaty
Publisher: Springer Singapore
Book: Microelectronics, Electromagnetics and Telecommunications
Print ISBN: 978-981-15-3827-8

Electronic ISBN: 978-981-15-3828-5

Copyright Year: 2021
DOI: https://doi.org/10.1007/978-981-15-3828-5_77