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http://dx.doi.org/10.7848/ksgpc.2016.34.1.71

Annual Prediction of Multi-GNSS Navigation Performance in Urban Canyon  

Seok, Hyo Jeong (Dept. of. Aerospace Engineering, Sejong University)
Park, Byung Woon (Dept. of Aerospace Engineering, Sejong University)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.34, no.1, 2016 , pp. 71-78 More about this Journal
Abstract
In the paper, we predict the number of multi-GNSS satellites and visible satellites with the navigation satellite launch plans and their nominal orbit parameters. Based on the methodology, the multi-GNSS navigation performance and DOP (Dilution of Precision) variation from 2015 to 2020 were forecasted by the Matlab simulation. To calculate the position using the multi-GNSS constellation, we determined the time-offset between the two different systems. Two different algorithms were considered for the sake of time-offset determination; that of each was applied to system level and user side. Also, the results from two algorithms were compared for evaluating each performance. For the reality, we applied the 3D map information to the simulation, which is expected to contribute for predicting the future navigation performance in urban canyon.
Keywords
Satellite Navigation System; Multi-Constellation; 3D Digital Map; DOP Simulation; Visibility;
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Times Cited By KSCI : 3  (Citation Analysis)
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