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

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Design and Manufacture of Triple-BandWidth Antennas for WLAN / WiMAX system

WLAN/WiMAX를 지원하는 삼중대역 안테나 설계 및 제작

  • Received : 2017.09.19
  • Accepted : 2017.11.06
  • Published : 2018.02.28
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Abstract

In this paper, a monopole antenna applicable to WLAN/WiMAX system is designed and fabricated. The proposed antenna is designed to have three lines and one slit based on microstrip feeding to have triple band characteristics. We optimized the lengths and slits of the three lines to obtain the required characteristics for this paper. The proposed antenna has $32.0mm(W2+W3){\times}47.1mm$ (L3+L4+L5+L8) on a dielectric substrate of $42.5mm(W1){\times}52mm(L1){\times}1.0mm$ size. From the fabrication and measurement results, bandwidths of 158 MHz (813 to 971MHz), 630 MHz (2.10 to 2.73GHz) and 1190 MHz (4.83 to 6.02GHz) were obtained based on the impedance bandwidth. The fabricated antenna also obtained the measured gain and radiation pattern in the required triple band.

본 논문에서는 W-LAN/WiMAX 시스템에 적용 가능한 모노폴 안테나를 설계 제작하였다. 제안된 안테나는 마이크로스트립 급전을 바탕으로 세 개의 선로와 하나의 슬릿을 갖도록 구성하여 삼중대역 특성을 갖도록 설계하였다. 세 개의 선로의 길이와 슬릿을 적절하게 조정하여 본 논문에서 요구되는 특성을 얻기 위한 최적화된 수치를 얻었다. 제안된 안테나는 $42.5mm(W1){\times}52mm(L1){\times}1.0mm(t)$의 유전체 기판 위에 $32.0mm(W2+W3){\times}47.1mm$ (L3+L4+L5+L8)의 크기로 제작되었다. 제작 및 측정 결과로부터 158 MHz (813 ~ 971MHz), 630 MHz (2.10 ~ 2.73GHz) 그리고 1190 MHz (4.83 ~ 6.02GHz)의 대역폭을 얻었다. 또한 제작된 안테나의 통해 삼중대역 안테나에서 요구되는 이득과 방사 패턴 특성을 확인하였다.

Keywords

References

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