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

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Construction and Measurement of a T-DMB/GPS/Mobile Antenna for Vehicular Application

차량에 적용 가능한 T-DMB/GPS/Mobile 안테나의 제작과 측정

  • Received : 2011.08.18
  • Accepted : 2011.10.12
  • Published : 2011.10.31
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Abstract

This paper presents the design of a novel integrated T-DMB/GPS/Mobile antenna for vehicular application. The T-DMB antenna is designed with a modified meander-type microstrip patch providing linearly a polarized broadside radiation pattern. The GPS antenna is designed with an inserted slot in the patch antenna providing circularly polarized broadside radiation pattern. The Mobile (GSM, AMPS, DCS, PCS, UMTS, etc.) antenna is designed as a modified G-type patch antenna providing multi-band operation. Experimental results indicate that the impedance bandwidth (VSWR 1:2.5) of the proposed T-DMB /GPS/Mobile antenna satisfactorily matches that of the simulation results. The 2D and 3D radiation patterns and gains according to the results of the experiment are also presented and discussed.

본 논문은 차량에 적용하기 위해 통합된 T-DMB/GPS/Mobile 안테나를 설계 제작하였다. T-DMB 안테나는 선형편파와 전 방향 방사패턴을 갖도록 하기 위해 변형된 미앤더 형태의 마이크로스트립 패치를 사용하여 설계하였다. GPS 안테나는 원형편파와 전 방향성 방사패턴을 갖도록 하기 위해 패치 안테나에 슬롯을 삽입하여 설계되었다. 또한 모바일 안테나는 여러 가지 휴대 단말기 주파수 대역인 GSM (880~960 MHz), AMPS (824~894 MHz), DCS (1710~1880 MHz), PCS (1850~1990 MHz), UMTS (1920~2170 MHz) 등에서 동작될 수 있도록 변형된 G 형태의 패치 안테나를 사용하여 설계되었다. 측정결과, VSWR 1:2.5에서 만족하는 임피던스 대역폭은 시뮬레이션 결과와 비슷한 경향을 나타내었다. 또한 2D 그리고 3D 방사패턴과 이득에 측정결과가 제시되고 논의되었다.

Keywords

References

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