Abstract

본 논문에서는 WLAN용 끝인 개방된 원형 링 모노폴 안테나를 설계 및 제작 하였다. 제안된 안테나는 평면형 모노폴 설계를 기본으로 끝인 개방된 원형 링과 접지면으로 구성되어 있으며 이중대역 특성을 갖도록 설계하였다. 최적화된 파라메타을 얻기 위해 상용 도구(HFSS)을 사용하여 시뮬레이션 하였으며 안테나 성능에 민감하게 적용받는 파라메타를 찾아내서 최적화된 수치를 얻었다. 얻어진 최적화된 수치를 사용하여 제안된 안테나를 제작하였다. 제작된 안테나는 이중 무선랜 대역 (2.4-2.484 GHz, 5.15-5.825 GHz)에서 반사손실, 이득, 방사패턴의 특성을 측정하였다. In this paper, a dual-band open-ended circular ring moNopole antenna for WLAN(Wireless Local Area Networks) applications. The proposed antenna is based on a planar moNopole design, and composed of open-ended one circular ring of radiating patches for dual-band operation. To obtain the optimized parameters, we used the simulator, Ansoft's High Frequency Structure Simulator(HFSS) and found the parameters that effect antenna characteristics. Using the obtained parameters, the proposed antenna is fabricated. The fabricated antenna is measured at the operating frequencies(2.4-2.484 GHz, 5.15-5.825 GHz), and the return loss coefficient, gain, and radiation patterns are determined.

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