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http://dx.doi.org/10.11003/JPNT.2019.8.1.31

Performance Analysis of GPS/BDS Integrated Precise Positioning System Considering Visibility in Urban Environments  

Noh, Jae Hee (Department of Electronics Engineering, Chungnam National University)
Lee, Sun Yong (Navcours Co., Ltd.)
Lim, Deok Won (Satellite Navigation Team, Korea Aerospace Research Institute)
Lee, Sang Jeong (Department of Electronics Engineering, Chungnam National University)
Publication Information
Journal of Positioning, Navigation, and Timing / v.8, no.1, 2019 , pp. 31-40 More about this Journal
Abstract
In recent years, Intelligent Transport Systems (ITS) and Autonomous Vehicle Technology have actively studied around the world. In order to achieve the purpose of Advanced Driver Assistance System (ADAS) and Autonomous Vehicle Technology, it must be obtained accurate and reliable positioning. However, the problem of positioning in the urban area is a low position accuracy caused by the reduction of the number of visible satellites due to high buildings. In this paper, we analyzed the availability of precise positioning system in urban area are using GPS/BDS integrated system. For this study, GPS and BDS satellite signals were collected using two low-cost receivers in the open sky and a designed software based platform for precise positioning performance analysis. And we analyzed the precise positioning performance by changing the mask angle considering the urban area. From the results, it can be confirmed that the performance of precise positioning of GPS only and BDS only decrease in the environment where mask angle is $40^{\circ}$ to $45^{\circ}$, however, GPS/BDS integrated system maintains high performance of precise positioning.
Keywords
ITS; GPS; BDS; precise positioning; urban;
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Times Cited By KSCI : 1  (Citation Analysis)
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