Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of a Low-Profile, High-Gain Fabry-Perot Cavity Antenna for Ku-Band Applications

  • Nguyen, Truong Khang (Division of Energy Systems Research, Ajou University) ;
  • Park, Ikmo (Department of Electrical and Computer Engineering, Ajou University)
  • Received : 2014.07.14
  • Accepted : 2014.09.04
  • Published : 2014.09.30
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Abstract

A Fabry-Perot resonator cavity antenna for Ku-band application is presented in this paper. The Fabry-Perot cavity is formed by a ground plane and a frequency selective surface (FSS) made of a circular hole array. The cavity resonance is excited by a single-feed microstrip patch located inside the cavity. The measured results show that the proposed antenna has an impedance bandwidth of approximately 13% ($VSWR{\leq}2$) and a 3-dB gain bandwidth of approximately 7%. The antenna produces a maximum gain of 18.5 dBi and good radiation patterns over the entire 3-dB gain bandwidth. The antenna's very thin profile, high directivity, and single excitation feed make it promising for use in wireless and satellite communication applications in a Ku-band frequency.

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References

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