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PIER PIER B PIER C PIER M PIER Letters
2013-08-09
Novel Miniaturized Koch Pentagonal Fractal Antenna for Multiband Wireless Applications
By
Omar Masood Khan,

    Dr. Omar Masood Khan

    Department of Electrical Engineering, College of Signals

    National University of Sciences and Technology

    Pakistan

    Homepage

Zain Ul Islam,

    Dr. Zain Ul Islam

    Department of Electrical Engineering, College of Signals

    National University of Sciences and Technology

    Pakistan

    Homepage

Imran Rashid,

    Dr. Imran Rashid

    Department of Electrical Engineering, College of Signals

    National University of Sciences and Technology

    Pakistan

    Homepage

Farooq Ahmad Bhatti,

    Dr. Farooq Ahmad Bhatti

    Military College of Signals (MCS)

    National University of Sciences and Technology (NUST)

    Pakistan

    Homepage

Qamar Ul Islam

    Dr. Qamar Ul Islam

    Institute of Space Technology

    Pakistan

    Homepage

Progress In Electromagnetics Research, Vol. 141, 693-710, 2013
doi:10.2528/PIER13060904
Abstract
A novel reduced size three band Koch Pentagonal fractal antenna is presented. The proposed antenna uses pentagonal shape for the basic fractalization combined with inner sides etched with Koch fractal pattern of the first iteration providing reduction in the overall size of the antenna. For higher order of iterations, more size reduction is achieved, producing equal number of radiation bands. Optimization is done for achieving radiations in the S, C and X bands. Ansoft HFSS, CST Microwave Studio and Solid Works are used for the 3D Modeling, S11 frequency optimization and radiation pattern calculations. The proposed third iteration fractal configuration is fabricated on Rogers RT5870, and measured results are presented. Size reduction up to 43.26 percent in terms of its overall size and 75.18 percent in terms of copper cladding remaining is achieved for the third iteration proposed fractal antenna in comparison to pentagonal patch antenna operating in the first resonant frequency band.
Citation
Omar Masood Khan, Zain Ul Islam, Imran Rashid, Farooq Ahmad Bhatti, and Qamar Ul Islam, "Novel Miniaturized Koch Pentagonal Fractal Antenna for Multiband Wireless Applications," Progress In Electromagnetics Research, Vol. 141, 693-710, 2013.
doi:10.2528/PIER13060904
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