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Design of Circularly Polarization Patch Array Antenna for DSRC

DSRC 통신을 위한 원형 편파 패치 배열 안테나 설계

  • Kim, Hyun-Chul (Deptment of Electronics and Computer Engineering, Chonnam National University) ;
  • Jung, Jin-Woo (Deptment of Electronics and Computer Engineering, Chonnam National University) ;
  • Lee, Hyeon-Jin (Department of Electronics and Information, DongKang College) ;
  • Lim, Yeong-Seog (Deptment of Electronics and Computer Engineering, Chonnam National University)
  • 김현철 (전남대학교 전자컴퓨터공학과) ;
  • 정진우 (전남대학교 전자컴퓨터공학과) ;
  • 이현진 (동강대학 전기전자공학과) ;
  • 임영석 (전남대학교 전자컴퓨터공학과)
  • Received : 2011.09.14
  • Accepted : 2012.01.25
  • Published : 2012.02.29

Abstract

In this paper, circularly polarization patch array antenna of RSE(Road-side Equipment) base station for DSRC(Dedicated Short Range Communication) of ITS(Intelligent Transport System) is proposed. The antenna of RSE base station for DSRC is designed to operate circularly polarization to receive reflected signal from multiplex path effectively. The proposed antenna consisted of microstrip patch and feed line, the slit is inserted in the proximity of the slot of feed structure to generate circularly polarization. The $2{\times}2$ array structure is designed to satisfying gain that DSRC RSE base station antenna required. Measured impedance bandwidth and axial-ratio bandwidth are satisfied by all DSRC band of 5.795~5.855 GHz. Vertical and horizontal HPBW of the proposed antenna are both about 43 degrees, it showed gain characteristic of about 11.21 dBi.

Keywords

ITS;Circularly Polarization;Microstrip Antenna;Coupled-Feed;DSRC

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