미래기술융합논문지 (Journal of Advanced Technology Convergence)

한국융합학회 (Korea Convergence Society)
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X-band 대역용 4x4 인셋 급전 마이크로스트립 패치 배열 안테나 연구

A study of the inset-fed 4x4 microstrip patch array antenna for X-band applications

  • 응쿤드와나요 세스 (백석대학교 일반대학원 소프트웨어융합전공 ) ;
  • 채규수 (백석대학교 첨단IT학부 )
  • Nkundwanayo Seth (Dept. of Software convergence, Graduate School of Baekseok University) ;
  • Gyoo-Soo Chae (Div. of Advanced IT, Baekseok University)
  • 투고 : 2024.08.22
  • 심사 : 2024.09.21
  • 발행 : 2024.09.30
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초록

본 논문은 X-Band 애플리케이션에 활용하기 위한 4x4 마이크로스트립 어레이 안테나 최적화 설계와 제작에 대한 연구 결과를 제시하고 있다. 일반적으로 마이크로스트립 패치와 어레이 안테나 설계 파라미터는 기판의 종류와 패치의 사이즈를 조정함으로써 원하는 공진 주파수와 이득을 얻을 수 있다. 이 연구는 X-Band 공진 특성과 이득을 향상시키기 위해 최적의 기판 재료로 설계된 4x4 어레이 안테나 설계와 제작을 통한 특성 측정 결과를 소개하였다. 설계된 안테나의 크기는 10mm(W)x7.4mm(W)x0.79(H)mm 이다. 사용된 유전체 기판은 Rogers RO 4350B(εr=3.54)이며 안테나 급전 방식은 안테나의 사이즈를 줄이기 위해 인셋피드(Inset-fed) 방식이 적용되었다. 제안된 구조의 단일패치와 4x4 어레이 안테나는 설계 중심 주파수 10.3GHz에서 안정된 SWR(<1.5) 특성과 18.5dBi의 이득으로 예측되었다. 시뮬레이션 결과를 바탕으로 안테나가 제작되었고 측정 결과도 시뮬레이션 결과와 유사한 특성을 나타내는 것을 보았다. 본 연구에서 제안된 안테나는 군사, 위성 통신, 생물의학 분야를 포함한 X-Band 애플리케이션에 활용될 수 있다.

This paper details research on the optimized design and fabrication of a 4x4 microstrip array antenna intended for X-Band applications. The study focuses on achieving the desired resonance frequency and gain by modifying the microstrip patch and array antenna parameters, including substrate type and patch size. It presents results from designing and fabricating a 4x4 array antenna with optimum substrate materials to enhance X-Band resonance characteristics and gain. The antenna dimensions are 10mm(W)x7.4mm(L)x 0.79mm(H), with an Rogers RO 4350B dielectric substrate (εr=3.54) and an inset-fed feeding method to minimize antenna size. Both the single patch and 4x4 array antennas demonstrated stable SWR (<1.5) and a gain of 18.5dBi at the target frequency of 10.3GHz in simulations. The fabricated antenna showed performance consistent with simulation results. This antenna design is suitable for X-Band applications, including military, satellite communications, and biomedical fields.

키워드

과제정보

This study was supported by the Enhancement of Defense Export Support Program for Global Defense Enterprises funded by KRIT(Korea Research Institute for Defense Technology Planning and Advancement) (No. E210002).

참고문헌

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