Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Effective Design of the Broadband Horn Antenna Using Multi-mode Network Analysis

다중모드 회로망 분석을 이용한 광대역 혼 안테나의 효율적인 설계

  • Moon, Jung-Ick (Radio Technology Research Dept., Electronics and Telecommunications Research Institute) ;
  • Cho, In-Gui (Radio Technology Research Dept., Electronics and Telecommunications Research Institute) ;
  • Kim, Sung-Min (Radio Technology Research Dept., Electronics and Telecommunications Research Institute)
  • Received : 2012.09.28
  • Accepted : 2012.10.29
  • Published : 2012.12.31
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Abstract

This paper proposes the effective design procedure for a broadband, double-ridged horn antenna for evaluating the performance of the RF energy harvesting system with a multi-band rectenna. Using multi-mode network analysis, the higher-mode scattering parameters of the transition and horn were acquired and applied to the antenna design, respectively. As a result, the computing time could be reduced and the calculated VSWR(voltage standing wave ratio) of the antenna was very similar to the analyzed result using fully electromagnetic simulation. And there was also good agreement between the simulated and measured results. The designed broadband antenna has a bandwidth of 660~6360 MHz and 6~13.7 dBi peak radiation gain.

본 논문에서는 다중대역 렉테나가 장착된 RF 에너지 수집 시스템의 성능 확인에 사용되는 광대역 이중리지 혼 안테나를 다중모드 회로망 분석을 이용하여 효율적으로 설계하는 방법을 제안하고 있다. 다중모드 회로망 분석을 이용하여 천이장치와 혼에 대한 각각의 고차모드 산란 파라미터를 얻어 설계에 적용하였다. 그 결과 기존 방법에 비해 계산시간이 많이 단축되었으며 안테나의 정재파비를 계산한 결과 전자기장 해석을 적용한 것과 거의 유사하였으며, 측정치와 높은 일치도를 보였다. 설계된 광대역 혼 안테나는 660~6360 MHz 대역폭과 6~13.7 dBi의 최대 방사 이득을 가진다.

Keywords

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