The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Design and Fabrication of Quadruple Band Antenna with DGS

DGS를 적용한 4중대역 안테나의 설계 및 제작

  • 김민재 (신라대학교 스마트전기전자공학부) ;
  • 최태일 (광주여자대학교 보건행정학과) ;
  • 최영규 (신라대학교 스마트전기전자공학부) ;
  • 윤중한 (신라대학교 스마트전기전자공학부)
  • Received : 2019.12.29
  • Accepted : 2020.02.15
  • Published : 2020.02.29
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Abstract

In this paper, we propose a quadruple band antenna for GPS/WLAN/WiMAX application. The proposed antenna has quadruple band characteristics by considering the interconnection of four strip lines and DGS on the ground place. The total substrate size is 20.0 mm (W1) ⨯27.0 mm (L1), thickness (h) 1.0 mm, and the dielectric constant is 4.4, which is made of 20.0 mm (W2)⨯ 27.0 mm (L8 + L6+ L10) antenna size on the FR-4 substrate. From the fabrication and measurement results, bandwidths of 60 MHz (1.525 to 1.585 GHz) bandwidth for GPS band, 825 MHz (3.31 to 4.135 GHz) bandwidth for WiMAX band and 480 MHz (2.395 to 2.975 GHz) and 385 MHz (5.10 to 5.485 GHz) bandwidth for WLAN band were obtained on the basis of -10 dB. Also, gain and radiation pattern characteristics are measured and shown in the frequency of triple band as required.

본 논문에서는 GPS/WiMAX/WLAN에 적용가능한 사중대역 안테나를 제안하였다. 4개의 마이크로스트립 선로를 가지며 접지면에 DGS 구조를 삽입하여 사중대역의 특성을 얻었다. 기판의 크기는 20 mm (W1)⨯27 mm (L1)이며 1.0 mm(h)의 기판의 두께와 비유전율 4.4인 FR-4 기판위에 안테나를 설계 하였다. 안테나의 크기는 20 mm(W1)⨯27 mm(L1)이며 DGS 구조의 크기는 16.3 mm (W2)⨯23.6 mm(L8+L6+L10)이다. 제작된 안테나의 측정결과로부터 -10dB 기준으로 GPS 대역에서 60MHz (1.525~1.585 GHz)의 대역폭을 얻었고 WiMAX 대역에서는 825MHz (3.31~4.135 GHz), WLAN 대역에서는 480MHz (2.395~2.875 GHz), 그리고 385 MHz (5.10~5.485 GHz)의 대역폭을 얻었다.

Keywords

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