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Design of an X-band patch array antenna for an energy saving system

절전센서용 X-밴드 대역 패치 어레이 안테나 설계

  • Chae, Gyoo-Soo (Division of Information Communication Eng., Baekseok University)
  • 채규수 (백석대학교 정보통신학부)
  • Published : 2010.01.31

Abstract

This paper introduces an X-band microstrip patch array antenna that can be suitable for an energy saving system. The presented patch antenna comprises with 2-element linear array. The antenna is simulated using CST MWS and manufactured using FR-4(h=1.0mm, ${\varepsilon}r=4.4$). The estimated bandwidth, gain and beamwidth are 4%(VSWR$\leq$2), 6.3dBi and about 60o in elevation and 15o in azimuth, respectively. The antenna is fabricated and optimized based on the simulation result and installed on the backside of the sensor circuit and measured. The measured bandwidth, gain and beamwidth are 7%(VSWR$\leq$2), 4.8dBi and about 55o(El)/15o(Az), respectively.

Keywords

Array antenna;Patch antenna;Energy saving system;RF motion sensor;X-band

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