Single-, Dual- and Wide-Band Frequency-Reconfigurable Antenna with Annular Ring Slots

Authors

  • M. C. Lim Wireless Communication Centre (WCC) Universiti Teknologi Malaysia, 81310, Johor Bharu, Johor, Malaysia
  • S. K. A. Rahim Wireless Communication Centre (WCC) Universiti Teknologi Malaysia, 81310, Johor Bharu, Johor, Malaysia
  • M. R. Hamid Radio Communications Engineering Universiti Teknologi Malaysia, 81310, Johor Bharu, Johor, Malaysia
  • P. J. Soh Advanced Communication Engineering (ACE) CoE, School of Computer and Communication Eng. Universiti Malaysia Perlis (UniMAP), Kampus Pauh Putra, 02600 Arau, Perlis, Malaysia
  • M. I. Sabran Wireless Communication Centre (WCC) Universiti Teknologi Malaysia, 81310, Johor Bharu, Johor, Malaysia
  • A. A. Eteng Department of Electronic and Computer Engineering, Faculty of Engineering University of Port Harcourt, Port Harcourt, Nigeria
  • M. R. Ramli Wireless Communication Centre (WCC) Universiti Teknologi Malaysia, 81310, Johor Bharu, Johor, Malaysia

Keywords:

Frequency reconfigurable antenna, CPW, narrowband, wideband

Abstract

This paper presents a frequency reconfigurable antenna enabled using a pair of annular ring slots on a coplanar waveguide (CPW) ground plane. Its initial wideband operation mode from 3 GHz to 6 GHz can be reconfigured into six additional modes: a dual–band mode and five single-band modes, with minimum reflection coefficients (S11) of -10 dB. For demonstration and proof-of-concept purposes, metal switches have been used to represent the switches in simulations and measurements. The ON state is emulated using shorted metal switches, whereas the OFF state is emulated using an open. Good agreements are indicated for simulated and measured S11 and radiation patterns.

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References

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Published

2021-07-30

How to Cite

[1]
M. C. Lim, “Single-, Dual- and Wide-Band Frequency-Reconfigurable Antenna with Annular Ring Slots”, ACES Journal, vol. 32, no. 11, pp. 987–993, Jul. 2021.

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Section

General Submission