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

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of Broad Bandwidth Dipole Antenna with CMM Feeding Probe Structure

CMM 급전 구조를 가지는 광대역 다이폴 안테나의 설계

  • Lee, Ji-Chul (Department of Radio Communication Engineering, Korea Maritime University) ;
  • Min, Kyeong-Sik (Department of Radio Communication Engineering, Korea Maritime University)
  • 이지철 (한국해양대학교 전파공학과) ;
  • 민경식 (한국해양대학교 전파공학과)
  • Published : 2010.09.30
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Abstract

This paper proposes a simulation design for feeding probe with the CMM(Cylindrical Magneto Material) structure for broad bandwidth of a dipole type antenna. In order to ensure low frequency bandwidth, the magnetic material with high relative permeability was considered in design calculation. It was confirmed that the broad bandwidth was independent on the relative permeability value and depended on the control of distance($r_m$) between magnetic material and feeding probe, and of magnetic material thickness($t_m$). Furthermore, an antenna size with the CMM was miniaturized about 18 % comparison with its size without the CMM.

본 논문은 다이폴 타입 안테나의 광대역화를 위한 원통형 자성 매질 구조를 가지는 급전 프로브의 시뮬레이션 설계를 제안한다. 저주파수 대역의 확보를 위해 고투자율의 자성체를 설계 계산에서 고려하였다. 광대역 특성은 투자율에 의존하지 않고, 자성체와 급전 프로브 사이의 거리($r_m$)와 자성체의 두께($t_m$)의 조정에 의해 구할 수 있다는 것이 확인되었다. 뿐만 아니라, 원통형 자성 매질의 구조를 가지지 않는 설계 안테나의 크기와 비교하여 약 18 % 정도 소형화시킬 수 있었다.

Keywords

References

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