The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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A Single Layer Multi Band Microstrip Patch Antenna for GPS L1/L2, GLONASS Receiver Applications

GPS L1/L2, GLONASS 수신기용 다중 대역 단일 패치 안테나

  • Published : 2011.10.31
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Abstract

In this paper, we have designed a multi-band single layer microstrip patch antenna with slots for GPS L2/L1, GLONASS receivers. The antenna has dual feed structure and consists of single layer microstrip patch with slots and impedance matching circuit. The antenna specifications are a VSWR(Voltage Standing Wave Ratio) of less than 2.0, RHCP(Right-Hand Circular Polarization) characteristics over the operating frequency bands of GPS L2(1,227.6 MHz)/L1(1,575.42 MHz) and GLONASS(1,602 MHz), the maximum active antenna gain of more than 30 dB and the axial ratio of less than 3 dB. The antenna has been successfully evaluated by various tests.

본 논문에서는 GPS L2/L1, GLONASS 통합 수신기용 다중 대역 단일 패치 안테나를 설계 및 제작하였다. 설계된 안테나는 이중 급전 방식이고, 슬롯을 가진 단일 마이크로스트립 패치와 임피던스 매칭 회로로 구성되어 있다. 설계하고자 하는 안테나의 주요 목표 규격은 동작 주파수 대역인 GPS L2(1,227.6 MHz)/L1(1,575.42 MHz), GLONASS(1,602 MHz)에서 정재파비(VSWR: Voltage Standing Wave Ratio) 2.0 이하, 우선회 원형 편파(RHCP: Right-Hand Circularly Polarization) 특성, 30 dB 이상의 능동형 안테나 이득, 3 dB 이하의 축비이며, 시험을 통하여 주요 규격이 만족됨을 확인하였다.

Keywords

References

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