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A compact reconfigurable antenna with frequency, polarization and pattern diversity

Author

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  • Ch. Sulakshana
  • L. Anjaneyulu

Abstract

This paper presents a novel, compact and simple reconfigurable antenna using coplanar waveguide feed which has frequency, polarization and pattern diversities. The basic antenna consists of four rectangular patches of dimensions 5 mm × 4 mm. Three switches are used to connect these four patches and with different switching modes, the desired reconfigurability is achieved. The operating frequency/band can be selected as 5.15 GHz (with 33.6% of impedance bandwidth) or 5.55 GHz (with 55% of impedance bandwidth) in two different operating modes. Reconfiguration in polarization takes place from linear polarization to right hand circular polarization and left hand circular polarization, and antenna is capable of rotating its radiation beam by ±180°. The measured results are in good agreement with simulated ones. The antenna exhibits good return loss characteristics, acceptable gain and VSWR.

Suggested Citation

  • Ch. Sulakshana & L. Anjaneyulu, 2015. "A compact reconfigurable antenna with frequency, polarization and pattern diversity," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 29(15), pages 1953-1964, October.
    • Handle: RePEc:taf:tewaxx:v:29:y:2015:i:15:p:1953-1964
    DOI: 10.1080/09205071.2015.1068229
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