Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A Compact CPW-fed Antenna with Step Structure for 5 GHz Band WLAN Applications

계단구조를 갖는 5 GHz 대역 무선랜용 소형 CPW 안테나

  • Choi, In-Tae (Information Communication and Radiocommunication Engineering Major, School of Electronic and Information Engineering, Kunsan National University) ;
  • Shin, Ho-Sub (IT Convergence and Communication Engineering Major, School of IT, information and Control Engineering, Kunsan National University)
  • Received : 2015.10.02
  • Accepted : 2015.10.29
  • Published : 2016.01.31
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Abstract

In this paper, a compact CPW-fed antenna for 5 GHz (5.15-5.35 GHz, 5.725-5.825 GHz) band WLAN applications is presented. The designed antenna's shape is step structure. The antenna is fabricated and measured into FR-4 substrate of dielectric comstant 4.2 and thickness 1.0 mm with optimized parameters obtained by simulation. We confirm that it is operated as antenna for WLAN applications by obtaining the measured return loss level of < -10 dB in 5.133-5.982 GHz. The dimensions of the antenna ($20.0{\times}16.0{\times}1.0mm^3$) shows an compactness of about 67.17% with respect to a conventional folded slot antenna.

본 논문에서는 5 GHz (5.15-5.35 GHz, 5.725-5.825 GHz) 대역 무선랜에서 사용이 가능한 소형 CPW 안테나를 제안하였다. 설계된 안테나는 계단 구조로 되어있으며 모의실험을 통하여 최적화된 파라미터 수치로 비유전율이 4.2, 두께가 1.0 mm인 FR-4 기판 상에 제작한 후 측정하였다. 측정 결과, 주파수 5.133-5.982 GHz에서 -10 dB 이하의 반사손실값을 얻음으로써 5 GHz 대역 무선랜의 주파수를 수용할 수 있음을 확인하였다. 또한 크기는 $20.0{\times}16.0{\times}1.0mm^3$로서 기존의 폴디드 슬롯 안테나에 비해 약 67.17%의 크기를 감소시켰다.

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  1. 5.1~5.8 GHz 무선랜용 CPW 급전 소형 모노폴 안테나 vol.23, pp.12, 2019, https://doi.org/10.6109/jkiice.2019.23.12.1659