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- W1966334666 abstract "국토해양부에서는 NDGPS 서비스의 광역화와 상용화를 위하여 2012년 현재 지상파 DMB 기반 DGPS 서비스를 구축하여 전국적으로 실험방송을 하고 있다. 이 연구에서는 저가의 GPS 수신 장비를 사용하여 지상파 DMB 기반 DGPS 서비스를 이용한 동적환경에서의 이동측위를 수행하고 정확도를 평가하였다. GPS 단독측위, NTRIP 기반의 단일기준국 NDGPS 측위, 그리고 지상파 DMB 기반의 가상기준국 DGPS 측위를 동시에 수행하였으며 고정밀 측위 결과와의 비교를 통해 수평오차를 산출하였다. 그 결과 GPS 단독, NTRIP-DGPS, DMB-DGPS 측위의 수평오차가 DMB 송출간격이 3초일 때 2.3m, 1.0m, 0.7m, 1초일 때 2.0m, 1.2m, 0.8m로 나타났다. 이를 통해 해당 서비스를 이용할 경우에 단일기준국 기반의 NDGPS 서비스를 이용하는 경우보다 수평 정확도가 향상되는 것을 확인하였다. As of 2012, for service-area-widening and commercialization of DGPS service, the Ministry of Land, Transport and Maritime Affairs has completed a DGPS service via Terrestrial Digital Multimedia Broadcasting and doing experimental broadcasting. In this study, kinematic positioning tests were conducted based on DGPS service via T-DMB using low-cost GPS equipments in a dynamic environment. Standalone GPS, single-reference NDGPS via NTRIP, and virtual-reference DGPS via T-DMB surveys were conducted at the same time. And horizontal positioning errors were computed by comparing them with the result of high-precision positioning. As a result, when the DMB transmission interval was 3 seconds, horizontal positioning errors of standalone GPS, NTRIP-DGPS, and DMB-DGPS were 2.3m, 1.0m, and 0.7m, respectively. When the interval was 1 second, horizontal positioning errors were 2.0m, 1.2m, and 0.8m, respectively. Thus horizontal positioning accuracies improved with the DMB-DGPS compared to the traditional single-reference NDGPS." @default.
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- W1966334666 date "2012-08-31" @default.
- W1966334666 modified "2023-10-05" @default.
- W1966334666 title "Accuracy Evaluation of DGPS Service via Terrestrial Digital Multimedia Broadcasting" @default.
- W1966334666 doi "https://doi.org/10.5394/kinpr.2012.36.6.437" @default.
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