Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/92776
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Title: Integrity monitoring using multi-GNSS pseudorange observations in the urban environment combining ARAIM and 3D city models
Authors: El-Mowafy, A
Xu, B 
Hsu, LT 
Issue Date: 2022
Source: Journal of spatial science, 2022, v. 67, no. 1, p. 91-110
Abstract: Positioning integrity is essential in navigation. A novel approach is proposed for integrity monitoring that combines the Advanced Receiver Autonomous Integrity Monitoring (ARAIM) with Non-Line-of-Sight (NLOS) detection method using 3D city models to aid multi-constellation GNSS positioning in challenging urban scenarios. A demonstration of the proposed approach is performed with real data in an urban area in Hong Kong. The combined technique is tested via Single Point Positioning and simulated DGNSS positioning using a commercial-grade receiver. An improvement of fault detection capability and accordingly the obtained accuracy is shown when combining the two methods, compared to applying each method individually.
Keywords: 3D city models
ARAIM
Integrity monitoring
Multi-GNSS
NLOS
Publisher: Taylor & Francis Asia Pacific (Singapore)
Journal: Journal of spatial science 
ISSN: 1449-8596
EISSN: 1836-5655
DOI: 10.1080/14498596.2020.1734109
Rights: © 2020 Mapping Science Institute, Australia and Surveying and Spatial Science Institute
This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Spatial Science on 11 Mar. 2020 (published online), available at: http://www.tandfonline.com/10.1080/14498596.2020.1734109
Appears in Collections:Journal/Magazine Article

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