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

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of Beam-Forming Array Antenna with a Reconfigurable Power Divider

저손실 재구성 분배기를 이용한 빔 성형 배열 안테나 설계

  • Tae, Hyun-Sung (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Son, Wang-Ik (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Jang, Hyung-Seok (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Oh, Kyoung-Sub (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Yu, Jong-Won (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST))
  • 태현성 (한국과학기술원 전기 및 전자공학과) ;
  • 손왕익 (한국과학기술원 전기 및 전자공학과) ;
  • 장형석 (한국과학기술원 전기 및 전자공학과) ;
  • 오경섭 (한국과학기술원 전기 및 전자공학과) ;
  • 유종원 (한국과학기술원 전기 및 전자공학과)
  • Received : 2011.12.16
  • Accepted : 2012.02.03
  • Published : 2012.04.30
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Abstract

In this paper, new beam-forming array antenna is proposed. The proposed beam-forming array antenna has control ability for beam-direction/width by employing low loss reconfigurable power divide and three-dimensional array structure. The reconfigurable power divider is key idea in the proposed antenna, because it has reconfigurable RF power distribution ability to each antenna. And, for research and verification of the proposed antenna, 3-dimensional beam-forming array antenna is implemented, and the experimental results show that the proposed antenna has various radiation modes from 1:1 to 1:N by adjusting RF power distribution.

본 논문에서는 새로운 구조의 빔 성형 배열 안테나를 제안한다. 제안된 빔 성형 배열 안테나는 새로운 구조의 저손실 재구성 분배기 및 입체 배열을 통해, 빔 방향 및 빔 폭 제어 특성을 가진다. 여기서, 제안하는 재구성 분배기는 개별 안테나로의 재구성 가능한 RF 전력 분배 기능을 가지고 있기 때문에, 본 안테나에서의 핵심 기술이라 할 수 있다. 또한, 제안된 안테나의 연구 및 특성 입증을 위해, 본 논문에서는 입체형 빔 성형 배열 안테나를 재구성 분배기와 함께 구현하였으며, 실험적으로 RF 전력 분배 모드 제어를 통해 1:1부터 1:N까지 다양한 방사 모드를 가지고 있는 것을 확인하였다.

Keywords

References

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