본 논문에서는 IMT-2000 단말기용 광대역 특성을 갖는 PIFA를 설계하였다. 일반적인 PIFA 구조는 협대역과 저이득의 특성을 갖는데, 대역폭과 이득을 동시에 확보하기 위해 이중 L 안테나 구조를 이용하였다. 설계 제작된 안테나는 1920MHz∼2170MHz에서 VSWR<2를 만족하였고, 복사패턴과 이득도 성능규격을 만족하였다. 안테나는 상용툴인 IE3D를 이용하여 설계되었다. 성능은 FDTD 해석결과와 측정결과와의 비교를 통해 검증하였다.
KSP Keywords
IMT-2000
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