Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Design and Implementation of Beam Steering System Based on Rotman lens and its Real-Time Display Device of Beam Receiving

로트만 렌즈를 이용한 빔 조향 시스템과 실시간 빔 수신표시 장치의 설계 및 구현

  • Kim, In-Ryeol (Dept. of Electronics Engineering, Chosun University) ;
  • ahn, Chi-Hyung (New Transportation Systems Research Center, KRRI) ;
  • Oh, Soon-Soo (Dept. of Electronics Engineering, Chosun University)
  • 김인렬 (조선대학교 전자공학과) ;
  • 안치형 (한국철도기술연구원 신교통연구본부) ;
  • 오순수 (조선대학교 전자공학과)
  • Received : 2015.11.30
  • Accepted : 2016.05.07
  • Published : 2016.05.25
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Abstract

In this paper, we propose the beam-steering system using Rotman lens antenna operating at 2.442GHz which is to replace an expensive phase shifter. The overall system consists of the transmission antennas, Rotman lens and switch box. Setting the initial design conditions, it was designed and fabricated satisfying the requirements. From the result tested in the anechoic chamber, it was found that the beam can be steered using Rotman lens in the anechoic chamber. We also visually checked the beam-steering by turning on the LED of the rectenna showing the real-time beam receiving.

본 논문에서는 고가의 위상천이기를 대체하여 로트만 렌즈 안테나를 이용한 2.442GHz 대역의 빔 조향 시스템을 제안한다. 본 빔 조향 시스템의 구성요소는 로트만 렌즈, 송신 안테나, 빔을 스위칭하기 위한 스위치 박스로 구성되어 있다. 초기 설계조건을 설정하고 요구조건에 맞춰 설계 및 제작하였다. 그 결과, 고가의 위상천이기를 대체한 로트만 렌즈의 사용으로 무반사실에서 빔이 조향됨을 알 수 있었다. 성능 검증을 통해 실시간 빔 수신 표시 장치인 정류안테나의 LED를 켬으로써 시각적으로 빔의 조향을 확인하였다.

Keywords

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