본 논문에서는 수직 적층형 다이폴 구조를 갖는 새로운 형태의 주파수 재구성 안테나를 제안하였다. 제안된 안테나는 셀룰러, PCS/WCDMA/Wibro/WiFi, WiMAX의 이동 통신 대역을 만족하도록 수직 적층형 다이폴 구조로 설계되었으며, 안테나의 동작은 각 대역의 다이폴과 전송 선로 간의 전위차를 이용하여 3쌍의 PIN 다이오드를 이용하여 스위칭되도록 하였다. 설계된 안테나는 각 이동 통신 서비스 대역에서 요구 동작 대역폭을 만족하였으며, 셀룰러 대역 6.3 dBi, PCS/WCDMA/ Wibro/WiFi 대역에서 5.4 dBi, WiMAX 대역에서 5.8 dBi의 이득 특성이 측정되었다. 제안된 안테나 구조는 각각의 다이폴 안테나 소자들이 수직 적층형으로 구성되기 때문에 지향 또는 반사 소자로서 상호 작용하는 역할을 하며, 안테나의 소형화가 가능하고, 고이득 특성을 구현할 수 있다는 장점을 갖기 때문에, 향후 재구성 소형 기지국 및 중계기 안테나 설계에 유용하게 사용할 수 있다.
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