본 논문에서는 위성항법분야에서 다양한 응용서비스와 항법알고리즘을 개발 또는 검증하기 위하 기능을 제공하기 위한 소프트웨어 기반의 GNSS 신호시뮬레이터 개발에 관한 것이다. GNSS 신호생성 시뮬레이터를 개발하기 위하여 위성궤도생성, 항법메시지생성, 오차생성, IF 신호생성부로 나누어 구현하였으며 각 기능은 서로의 인터페이스를 통하여 데이터를 전송하게 된다. 여기서 실질적인 위성신호와 유사한 IF 신호를 생성하기 위하여 본 논문에서 제안한 신호생성 알고리즘을 이용하여 신호를 생성한 후 수신기를 통하여 생성된 신호를 검증하였다.
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