본 논문에서는 소프트웨어 기반의 실시간 GPS L1 수신기에 대한 블록 상관기법을 제안한다. 최근 다양한 위성항법 환경에서 보다 효율적인 항법 수신기 개발을 위하여 소프트웨어 기반의 실시간 수신기 개발이 필요하다. 실시간 소프트웨어 수신기는 입력신호처리부, 신호획득부, 신호추적부, 항법데이터 처리부, 항법해 계산부로 구성되고 각 처리부는 해당 기능을 수행하기 위한 단위 컴포넌트로 구성된다. 이러한 소프트웨어 환경에서의 수신기 개발을 용이하게 수행하기 위한 소프트웨어 기반의 수신기를 개발함으로써다양한 모델을 적용하거나 새로운 컴포넌트 조합으로 다양한 시뮬레이션을 수행할 수 있다는 장점을 제공하고 있다. 본 논문에서는이러한 소프트웨어 기반의 수신기가 실시간의 성능을 나타낼 수 있는 블록 상관기법을 제안하고 이에 대한 성능을 검증하였다.
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