The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Design and Fabrication of a Weathercock-Shaped Double Bandwidth Microstrip Patch Antenna that Combines U-slot and Short-pin for WLAN Systems Systems

WLAN System을 위한 U-slot 및 Short-pin 결합한 바람개비 모양의 이중대역(5.2/5.8GHz) 마이크로스트립 패치 안테나 설계 및 제작

  • 김순섭 (아주대학교 NCW학과 무선네트워크 연구실) ;
  • 최영준 (아주대 장위 국방 연구소) ;
  • 주영달 (하이게인 안테나 (주)) ;
  • 정용주 (하이게인 안테나 (주))
  • Received : 2013.02.28
  • Accepted : 2013.05.09
  • Published : 2013.05.31
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Abstract

In this paper, IEEE 802.11 based WLAN(5.2/5.8GHz) wideband Weathercock-shaped microstrip patch antenna was designed and manufactured. The antenna has a size of $17.4{\times}17.4mm^2$ and utilized FR-4 board. The size was minimized for mobility, and Weathercock-shaped U-slot and short-pin was inserted to satisfy adequate bandwidth and double bandwidth resonance characteristics. In addition, the antenna incorporated single both-sided patch, and simulation design optimized the Weathercock-shaped, position of the U-slot and the short-pin, and the length of the patch for the measurement. The manufactured antenna achieved a bandwidth of 695MHz from 5.2~5.8GHz zone(Return loss<-10dB). Achieved a beam width of $81.13^{\circ}$ and $85.43^{\circ}$ for 3-dB beam width of H plane and E p;ane radiation pattern, there was 3.17~4.85dBi gain.

본 논문에서는 IEEE 802.11 기반의 WLAN(5.2/5.8GHz)대역에서 동작하는 바람개비 모양의 마이크로스트립 패치 안테나를 설계 및 제작하였다. 안테나의 크기는 $17.4{\times}17.4mm^2$이며 FR-4 기판을 사용하였다. 이동성을 위해 소형화하였고, 바람개비 패치 모양에 U-slot 및 Short-pin을 삽입하여 이중대역 공진특성 및 적절한 대역폭을 만족하도록 하였다. 또한 단일 양면기판을 사용하였고, 시뮬레이션설계는 바람개비 모양과 U-slot 및 Short-pin의 위치 변화, 패치길이를 최적화하여 제작 및 측정하였다. 제작한 안테나의 대역폭(Return loss<-10dB)은 5.2~5.8GHz대역에서 695MHz의 대역폭을 얻었다. H면과 E면 방사패턴의 3-dB 빔폭이 각각 $81.13^{\circ}$, $85.43^{\circ}$로 넓은 빔폭을 얻었다. 또한 3.17~4.85dBi의 이득을 얻었다.

Keywords

References

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