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 Dual-band Compact Monopole Antenna with Two Branches for Wi-Fi Mobile Applications

두개의 브랜치 라인을 갖는 와이파이 이동통신용 이중 대역 모노폴 안테나의 설계와 제작

  • Received : 2012.10.25
  • Accepted : 2013.01.21
  • Published : 2013.01.31
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Abstract

This letter describes a dual-band compact monopole antenna with two branches for Wi-Fi applications. The proposed antenna is based on a planar monopole design, and composed of two branches of radiating patches for dual-band operation. The ground size of the antenna matches the ground size of a typical hand-held cellular phone for improved compatibility with mobile phone printed circuit boards. The antenna is designed using a simulator and fabricated with optimized parameters. The fabricated antenna is measured at the lower and higher operating frequencies, and the return loss coefficient, gain, and radiation patterns are determined.

본 논문에서는 두개의 브랜치 라인을 갖는 와이파이 이동통신용 이중 대역 모노폴 안테나를 설계 및 제작하였다. 제안된 안테나는 평면형 모노폴 설계를 기본으로 두 개의 브랜치 방사 선로를 구성함으로서 이중대역 특성을 갖도록 설계하였다. 제안된 안테나의 접지면 크기는 전형적인 셀룰라 ㅋ폰의 접지면에 적합하게 설계하여 이동통신용 단말기의 PCB와 호환될 수 있도록 하였다. 제안된 안테나는 최적화된 파라메타을 얻기 위해 상용 툴(CST)을 사용하여 시뮬레이션 하였으며 얻어진 최적화된 수치를 이용하여 제안된 안테나를 제작하였다. 제작된 안테나는 와이파이 이동통신의 동작하는 상위 주파수 대역과 하위 주파수 대역에서 반사손실, 이득, 방사패턴의 특성을 측정하였다.

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References

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