정지 위성을 이용하여 양방향 통신을 위한 이동 단말 안테나의 구조는 송신 시스템과 수신 시스템으로 구성된다. 송신 시스템은 위성으로 신호를 전송하기 위한 송신부이며, 반면 수신 시스템은 위성으로부터의 신호를 수신하는 수신부 외에 위성추적을 위한 위성추적 제어부로 구성된다. 한편, 이동 환경에서 정지 위성을 이용한 양방향 통신은 다른 위성 통신에 피해가 없도록 국제적 기준의 안테나 패턴 특성과 안정적인 위성 추적이 요구된다. 본 논문에서는 Ku 대역 정지 위성의 양방향 통신 서비스를 위하여 제작된 이동형 위상 배열 안테나의 안테나 패턴과 안정적인 위성 추적이 가능하도록 하는 위성 추적 제어부를 포함한 수신 시스템의 설계 및 제작 특성에 대해 살펴보았다.
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