, Volume 14, Issue 6, pp 1831–1837 | Cite as

Reconfigurable Multi-Turns Planar Plasma Helical Antenna

  • Saber H. Zainud-Deen
  • Noha A. El-Shalaby
  • Hend A. MalhatEmail author
  • Shaymaa M. Gaber


A reconfigurable wideband circularly polarized plasma helical antenna is designed for wireless applications in the frequency band from 6 to 12 GHz. The proposed antenna structure is suitable to be integrated with electronic circuits for different applications. An optimization for different parameters of the antenna for wideband end-fire radiation characteristics is investigated. The antenna has matching impedance bandwidth of 48% with maximum gain of 8.5 dBi and wideband circular polarization of 31%. The antenna gain and bandwidth for different numbers of helix turns are increased with varying the plasma frequency. An improvement in the antenna gain and radiation efficiency is achieved via loading the antenna with dielectric lenses of different shapes. The end-fire directional gain is improved to 11.5 dBi for hemispherical lens and 10.5 dBi for quarter spherical lens with HPBW of 40°.


Plasma Helical antenna Reconfigurable Circular polarization 



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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Faculty of Engineering and TechnologyBadr University in CairoCairoEgypt
  2. 2.Faculty of EngineeringKafer El-Shiekh UniversityKafer El-ShiekhEgypt
  3. 3.Faculty of Electronic EngineeringMenoufia UniversityMenoufiaEgypt
  4. 4.Faculty of EngineeringEgyptian Russian UniversityCairoEgypt

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