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

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Circular Polarization Patch Antenna with GPS and GLONASS Stopband for Satellite Communication

GPS, GLONASS 저지대역을 갖는 위성통신용 원편파 패치안테나

  • 김주석 (목포해양대학교 해양전자.통신.컴퓨터공학과) ;
  • 김규철 (목포해양대학교 해양메카트로닉스학부)
  • Received : 2017.12.25
  • Accepted : 2018.02.15
  • Published : 2018.02.28
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Abstract

In this paper, the dual band circular polarization patch antenna was designed by using band rejection characteristics of CSRR structure for geostationary satellites. A quadrangular CSRR structure was etched on the ground at the rear of the patch antenna's feed to obtain band rejection characteristics in between the receiving frequency band(1525~1559MHz) and transmission band(1626.5~1660.5MHz), and the corner of the patch antenna was truncated to enable circular polarization. It was confirmed that the resonant frequency of the patch antenna differs according to the size anc location of the CSRR and cirular polarization characteristics with simulation and measurement results. Measurement results shows the gain of about 0.2dB and 1.5dB in the TX and RX band.

본 논문에서는 CSRR구조의 대역제거특성을 이용하여 정지위성용 이중대역 원편파안테나를 설계하였다. 정지위성의 송신(1525~1559MHz)과 수신주파수(1626.5~1660.5MHz)사이에 대역저지 특성을 갖기위하여 사각 CSRR (Complementary split ring resonator)을 안테나의 그라운드면에 식각하였으며 패치안테나의 모서리 부분을 절삭하여 원편파 특성을 얻었다. 패치안테나의 공진주파수는 CSRR의 크기와 위치에 의해 달라지며 시뮬레이션과 측정을 통하여 원편파 특성을 확인하였다. 측정결과 송신과 수신 주파수대역에서 약 0.2dB와 1.5dB의 이득을 얻었다.

Keywords

References

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