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Bandwidth Enhancement of an Array Antenna using Slotted Artificial Magnetic Conductors

H., Lago and Mohd Faizal, Jamlos and Ping, Jack Soh and M. H., Muslim and Vandenbosch, Guy A. E. and Narbudowicz, Adam (2017) Bandwidth Enhancement of an Array Antenna using Slotted Artificial Magnetic Conductors. Applied Physics A, 123 (53). pp. 1-5. ISSN 0947-8396(Print); 1432-0630 (Online)

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Abstract

An artificial magnetic conductor (AMC)-integrated array antenna operating at 9.41 GHz is proposed in this work. The AMC plane consists of an array of 9 × 12 rectangular elements slotted using four circular slots. The rectangular circular-slotted AMC unit cell acts as a metamaterial with high permeability of 10.05 and non-unity permittivity of 1.52, respectively. The integration of the AMC plane into a reference array antenna operating at 9.41 GHz increases the impedance bandwidth by 76%, from 1.12 to 1.98 GHz. Besides that, the efficiency is also enhanced from 95.91 to 96.31%. Both reference and proposed antenna show a satisfactory agreement in terms of simulated and measured reflection coefficients and radiation patterns.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 12 Jul 2017 06:17
Last Modified: 12 Jul 2017 06:17
URI: http://umpir.ump.edu.my/id/eprint/16637
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