한국전자파학회논문지 (The Journal of Korean Institute of Electromagnetic Engineering and Science)

  • 제18권3호
  • /
  • Pages.288-297
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  • 2007
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  • 1226-3133(pISSN)
  • /
  • 2288-226X(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
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휴대 단말기 내장형 5중 대역 칩 안테나 설계

A Design of Miniaturized Built-in Penta-Band Chip Antenna for Mobile Handset

  • 최형철 (한양대학교 전자공학과) ;
  • 김형훈 (광주여자대학교 웹디자인학과) ;
  • 박종일 (한양대학교 전자공학과) ;
  • 김형동 (한양대학교 전자공학과)
  • Choi, Hyeng-Cheul (Department of Electronics & Computer Engineering, Hanyang University) ;
  • Kim, Hyung-Hoon (Department of Web Design, Kwangju Women's University) ;
  • Park, Jong-Il (Department of Electronics & Computer Engineering, Hanyang University) ;
  • Kim, Hyeong-Dong (Department of Electronics & Computer Engineering, Hanyang University)
  • 발행 : 2007.03.31
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 GSM850/GSM900/DCS/USPCS/WCDMA의 5개의 대역을 수용하는 휴대 단말기에 내장하여 사용할 수 있는 모노폴 칩 안테나를 제안하였다. 이 안테나는 휴대 단말기에 내장할 수 있도록 $8\times3.2\times20mm^3$의 부피를 가진다. 제안된 안테나의 소형화를 위해 FR-4유전체$(\varepsilon_r=4.4)$위에 나선형 패턴과 미엔더 패턴을 사용하였다. 설계된 안테나는 상위 동작 대역에서 고조파 공진을 겹치게 함으로써 광대역 특성을 갖는다. 이 안테나의 측정된 VSWR 3:1내의 대역폭은 하위 공진 대역에서 150 MHz$(1,030\sim1,180\;MHz)$이며, 상위 공진 대역에서 650MHz$(1,760\sim2,410\;MHz)$이다. 이 대역내의 방사효율은 모두 50 %를 넘기는 것으로 측정되었다. 안테나의 설계는 상용 프로그램인 HFSS를 이용하여 진행하였다.

The novel internal monopole chip antenna of penta-band operation for GSM850/GSM900/DCS/USPCS/WCDMA bands for mobile phones is proposed. This antenna occupies a small volume $8\times3.2\times20mm^3$ and is suitable to be embedded in a mobile phone as an internal antenna. The minimization of the proposed antenna was realized by using spiral line structure and meander line structure on FR-4 of dielectric$(\varepsilon_r=4.4)$. The designed antenna has the wide-band operation in the upper band by overlapping high order resonances. The measured bandwidth of this antenna (VSWR>3) is 150MHz$(1,030\sim1,180\;MHz)$ in the lower band operation and 650 MHz$(1,760\sim2,410\;MHz)$ in higher band operation. The measured radiation efficiency within bandwidth(VSWR 3:1) is over 50 %. The antenna has been designed by a commercial software HFSS.

키워드

참고문헌

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