3D Mapping Aided GNSS Positioning

The 3D mapping-aided (3DMA) GNSS integrates the information provided by the 3D building model. Once the surrounding building model is presented, the visibility of the satellites can be predicted, which also known as Shadow Matching to match the received satellites with the predicting by 3D building model. The more advanced one is using the 3D model to predict the reflecting path and its delay, which are ray-tracing based GNSS ranging and Skymask 3DMA ranging methods. We developed the Skymask 3DMA ranging to reduce the computation load compares to the ray-tracing based GNSS while maintaining the positioning accuracy. The advantage of 3DMA GNSS is providing positioning accuracy for the low-cost receivers up to about five meters in dense urban areas.

Researcher : Dr Guohao ZHANG (Research Assistant Professor); Mr Ivan Hoi Fung NG (Ph.D Student); Mr Haosheng XU (Ph.D Student)

Related Publication:


ANALYSIS AND MODELING GPS NLOS EFFECT IN HIGHLY URBANIZED AREA

Li-Ta Hsu
GPS Solutions, 2018, 22(1):7
Research Paper can be downloaded here
Powerpoint slide can be downloaded here

GPS SIGNAL RECEPTION CLASSIFICATION USING ADAPTIVE NEURO-FUZZY INFERENCE SYSTEM

Rui Sun (NUAA), Li-Ta Hsu, Dabin Xue, Guohao Zhang, Washington Y. Ochieng (ICL)
Journal of Navigation, 72(3): 685-701.
Download PDF file
Powerpoint slide can be downloaded here

3D BUILDING MODEL-BASED PEDESTRIAN POSITIONING METHOD USING GPS/GLONASS/QZSS AND ITS RELIABILITY CALCULATION

Li-Ta Hsu, Yanlei Gu (UTokyo), Shunsuke Kamijo (UTokyo)
GPS Solutions, 2016, 20(3): 413-428.
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NLOS CORRECTION/EXCLUSION FOR GNSS MEASUREMENT USING RAIM AND CITY BUILDING MODELS

Li-Ta Hsu, Yanlei Gu (UTokyo), Shunsuke Kamijo (UTokyo)
Sensors, 2015, 15(7): 17329-17349.
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URBAN PEDESTRIAN NAVIGATION USING SMARTPHONE-BASED DEAD RECKONING AND 3-D MAP-AIDED GNSS

Li-Ta Hsu, Yanlei Gu (UTokyo), Shunsuke Kamijo (UTokyo)
IEEE Sensors Journal, 2015, 16(5): 1281-1293.
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