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Wide-to-narrowband reconfigurable Vivaldi antenna using switched-feed technique

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Abstract

This paper presents research on a Vivaldi antenna with the ability to change its operating frequency between narrowband and wideband. In total, five different modes are supported: a wideband and four narrowband modes. The wideband mode extends from a frequency of 1–3.7 GHz. The narrowband modes operate at 2.3, 2.6, 3, and 3.2 GHz, respectively. The wideband to narrowband reconfiguration is achieved by switching from a coplanar waveguide feed to a slot-line feed. We also compare simulated and measured results for the antenna; including magnitudes of reflection coefficient, radiation patterns and gain.

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Acknowledgments

The authors would like to acknowledge the Ministry of Education (MOE) and UTM under the GUP Grant (Vote Q.J130000.2523.10H08 and 05H34) for sponsoring this work.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, Universiti Teknologi Malaysia, UTM Skudai, 81310, Johor Bahru, Johor, Malaysia

    Sahar Chagharvand & Mohamad Rijal Hamid

  2. Wireless Communication Centre (WCC), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, UTM Skudai, 81310, Johor Bahru, Johor, Malaysia

    Muhammad Ramlee Kamarudin

  3. Department of Electronic Engineering, Faculty of Engineering and Physical Sciences, Centre for Communication Systems Research, University of Surrey, Guildford, GU2 7XH, UK

    James R. Kelly

Authors
  1. Sahar Chagharvand
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  2. Mohamad Rijal Hamid
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  3. Muhammad Ramlee Kamarudin
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  4. James R. Kelly
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Correspondence to Muhammad Ramlee Kamarudin.

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Chagharvand, S., Hamid, M.R., Kamarudin, M.R. et al. Wide-to-narrowband reconfigurable Vivaldi antenna using switched-feed technique. Telecommun Syst 63, 711–717 (2016). https://doi.org/10.1007/s11235-016-0150-x

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  • DOI: https://doi.org/10.1007/s11235-016-0150-x

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