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

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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The Technique of Satellite Tracking and Beam Forming for Mobile TT&C

이동형 위성 관제를 위한 위성 위치 파악 및 빔 성형 기법

  • Published : 2007.12.31
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Abstract

This paper describes the technique of satellite direction finding and main beam steering of the adaptive array antenna system which is used for mobile TT&C(Tracking Telemetry&Command) system. To be able to control the satellite on mobile vehicle while moving, the relative directional information of the satellite to the mobile vehicle is necessary to make main beam to the direction of satellite. To do this MUSIC, which is one of the super-resolution algorithm of wave direction finding, is used and then the performance analysis and quantization problem of phase shifter are addressed. This paper is valuable in the respect of showing feasibility of designing the moble TT&C using adative array antenna system.

본 논문은 이동 위성 관제 시스템을 위한 적응 배열 안테나 시스템에서 위성의 위치 파악과 빔 성형 기법에 관하여 서술한다. 이동시 위성 관제를 수행하려면 이동체에 대한 위성의 상대적 위치를 실시간적으로 파악하여 적응형 어레이 안테나 주 빔(main beam)을 위성으로 향하게 하여 위성 관제를 수행하여야 한다. 이를 위해서 고 해상도 전파 방향 탐지 알고리즘 중의 하나인 MUSIC(Multiple Source Idetification) 알고리즘을 사용하였고, 이에 대한 성능 분석과 아울러 구현시 위상 변환기의 양자화에 따른 영향에 대하여 분석하였다. 본 논문은 위상 배열 안테나를 이용하여 이동 위성 관제 시스템을 구현할 수 있음을 보여줌으로써 국내의 이동 위성 관제 시스템을 개발에 중요한 자료가 될 수 있다.

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References

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