Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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A Study on Inverted Triangle Structural Planar Monopole Antenna with Edge

에지를 가진 역삼각형 구조 평면 모노폴 안테나에 대한 연구

  • Choi, Hong-Ju (Dept. of Electronics. Information & Communication Engineering, Konkuk University) ;
  • Lee, Yun-Min (Dept. of Electronics. Information & Communication Engineering, Konkuk University) ;
  • Oh, Kyu-Jong (Dept. of Health Administration, Gachon University of Medicine and Science)
  • 최홍주 (건국대학교 전자정보통신공학부) ;
  • 이윤민 (건국대학교 전자정보통신공학부) ;
  • 오규종 (가천의과학대학교 보건행정과)
  • Received : 2011.07.15
  • Accepted : 2011.08.30
  • Published : 2011.08.31
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Abstract

In this paper, inverted triangle structural planar monopole antenna with Edge for UWB Communication (3.1 ~ 10.6 GHz) is presented. The antenna have broadband property structurally through inverted triangle structural planar monopole which have edge. Monopole and ground of proposed antenna exist on coplanar plane, and excite as CPW. It used FR4 dielectric substrate of ${\epsilon}_r=4.4$, and the size is $20{\times}20{\times}1.6mm$. Return loss is more than - 10dB in 3.1 ~ 10.1 GHz (7.0 GHz). Radiation pattern is about the same that of dipole antenna at all frequency. At measured result, max gain is 8.44 dBi at E - plane.

본 논문에서는 UWB(Ultra Wide Band) 통신을 위하여, 에지(edge)를 가진 역삼각형 구조의 평면 모노폴 안테나를 제안하였다. 제안한 안테나는 역삼각형 구조의 모노폴 안테나 양쪽에 에지를 갖는 구조를 구성하여 광대역 특성을 갖도록 한 것으로, 모노폴과 그라운드가 같은 평면에 존재하도록 하고, CPW 급전 방식을 적용하였다. 유전 상수가 4.4인 FR4 유전체 기판을 사용하였고, 안테나 크기는 $20{\times}20{\times}1.6mm$이다. 측정 결과 3.1 ~ 10.1 GHz(7.0 GHz)에서 -10 dB 이상의 반사 손실 값을 가졌다. 복사 패턴은 모든 주파수에서 다이폴 안테나 복사 패턴과 비슷한 전방향성(omni - directional) 특성을 보였고 E - plane 최대 이득은 8.44 dBi 이다.

Keywords

References

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