Characterisation of current and future GNSS performance in urban canyons using a high quality 3-D urban model of Melbourne, Australia

Liu, G, Zhang, K, Wu, F, Densley, L and Retscher, G 2009, 'Characterisation of current and future GNSS performance in urban canyons using a high quality 3-D urban model of Melbourne, Australia', Journal of Applied Geodesy, vol. 3, no. 1, pp. 15-24.


Document type: Journal Article
Collection: Journal Articles

Title Characterisation of current and future GNSS performance in urban canyons using a high quality 3-D urban model of Melbourne, Australia
Author(s) Liu, G
Zhang, K
Wu, F
Densley, L
Retscher, G
Year 2009
Journal name Journal of Applied Geodesy
Volume number 3
Issue number 1
Start page 15
End page 24
Total pages 10
Publisher Walter de Gruyter GmbH & Co. KG
Abstract Global Navigation Satellite System (GNSS) is a critical space-borne geospatial infrastructure providing essential positioning supports to a range of location-sensitive applications. GNSS is currently dominated by the US Global Positioning System (GPS) constellation. The next generation GNSS is expected to offer more satellites, better positioning provision, and improved availability and continuity of navigation support. However, GNSS performance in 3-D urban environments is problematic because GNSS signals are either completely blocked or severely degraded by high-rising geographic features like buildings.
Subject Navigation and Position Fixing
Geodesy
Surveying (incl. Hydrographic Surveying)
Keyword(s) Global Navigation Satellite System
GNSS performance
location-based services
3-D urban model.
DOI - identifier 10.1515/JAG.2009.002
Copyright notice Copyright de Gruyter 2009
ISSN 1862-9024
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