지상의 인프라 못지않게 중요시 되고 있는 GNSS (global navigation satellite system) 를 위한 한국형 위성기반 보강시스템을 제안하였다. 제안된 시스템은 가장 경제적인 위성기반 보강시스템 구축을 위하여 시스템 요소로서 현재 존재하는 시스템의 사용을 적극 고려하였다. 기준시스템은 현재 운용되고 있는 DGPS (differential global positioning system) 네트워크를 최대한 활용하는 것으로 하였고, 위성은 통신해양기상위성 1호(COMS-1)을 근간으로 조사하였다. 버스 시스템은 최소한의 변경이 예상되는 반면 통신탑재체는 주요한 변화를 겪게 될 것으로 분석되었다. 지상의 주제어 센터는 새롭게 건설되어야 하지만 소프트웨어, 인력 등 센터의 필수적인 요소는 DGPS네트워크의 운용 경험을 통하여 쉽게 확보될 수 있으리라 판단된다
KSP Keywords
global navigation satellite system(GNSS), global positioning system(GPS)
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