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Bandwidth enhancement of an array antenna using slotted artificial magnetic conductors

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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.

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Acknowledgements

The authors acknowledge the members of the Advanced Communication Engineering (ACE) for their valuable input and discussions. This work was supported by the FRGS Grant 9003-0522.

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Authors and Affiliations

  1. Advanced Communication Engineering Centre (ACE), School of Computer and Communication Engineering, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia

    Herwansyah Lago, Mohd Faizal Jamlos & Ping Jack Soh

  2. Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600, Pekan, Malaysia

    Mohd Faizal Jamlos

  3. National Agency Space of Malaysia (ANGKASA), Ministry of Science, Technology and Innovation, Kuala Lumpur, Malaysia

    M. H. Muslim

  4. ESAT-TELEMIC Research Division, KU Leuven, Kasteelpark Arenberg 10, Box 2444, 3001, Louvain, Belgium

    Guy A. E. Vandenbosch

  5. Institute of High Frequency Technology, RWTH Aachen University, Melatener Str. 25, 52074, Aachen, Germany

    Adam Narbudowicz

  6. Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland

    Adam Narbudowicz

Authors
  1. Herwansyah Lago
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  2. Mohd Faizal Jamlos
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  3. Ping Jack Soh
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  4. M. H. Muslim
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  5. Guy A. E. Vandenbosch
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  6. Adam Narbudowicz
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Correspondence to Mohd Faizal Jamlos.

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Lago, H., Jamlos, M.F., Soh, P.J. et al. Bandwidth enhancement of an array antenna using slotted artificial magnetic conductors. Appl. Phys. A 123, 53 (2017). https://doi.org/10.1007/s00339-016-0676-5

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  • DOI: https://doi.org/10.1007/s00339-016-0676-5

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