The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Study on the Bandwidth of Microstrip Patch Antenna

슬롯 패치 안테나의 대역폭 확장에 관한 연구

  • Lee, Chick-Youl (School of Electrical, Electronics & Information Technology, Korea University of Technology and Education)
  • 이직렬 (한국기술교육대학교 전기전자통신공학부)
  • Received : 2012.11.12
  • Accepted : 2013.05.01
  • Published : 2013.06.30
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Abstract

A technique to expand the operating impedance bandwidth of a microstrip patch antenna is presented. The antenna is fed by a truncated T-shaped microstrip line on the ground plane with the rectangular slot. The proposed microstrip patch antenna offers wide bandwidth characteristics with the rectangular slot which has optimized size and position on the ground plane. The simulation result shows a fractional bandwidth of 127.8 %(0.65 to 2.95 GHz) at VSWR 2:1.

마이크로스트립 패치 안테나의 대역폭을 확장하기 위한 방안을 제시하였다. 이 안테나는 사각형의 슬롯을 가진 접지판 위에 변형된 T-자 모양의 마이크로스트립 라인으로 급전되는 구조를 갖는다. 제시된 마이크로스트 립 패치 안테나는 슬롯과 변형된 T-자 모양의 급전 라인의 크기와 위치를 최적화시킴으로써 광대역 특성을 구현 하였다. 컴퓨터 모의실험 결과에 의하면 VSWR 2:1 기준에서 127.8 %(0.65~2.95 GHz)의 대역폭을 얻을 수 있었다.

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References

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