An INS-aided tight integration approach for relative positioning enhancement in VANETs

Alam, N, Kealy, A and Dempster, A 2013, 'An INS-aided tight integration approach for relative positioning enhancement in VANETs', IEEE Transactions on Intelligent Transportation Systems, vol. 14, no. 4, pp. 1992-1996.


Document type: Journal Article
Collection: Journal Articles

Title An INS-aided tight integration approach for relative positioning enhancement in VANETs
Author(s) Alam, N
Kealy, A
Dempster, A
Year 2013
Journal name IEEE Transactions on Intelligent Transportation Systems
Volume number 14
Issue number 4
Start page 1992
End page 1996
Total pages 5
Publisher Institute of Electrical and Electronics Engineers
Abstract Relative positioning among vehicles is a fundamental parameter for advanced applications of intelligent transportation systems such as collision avoidance and road safety. However, the level of positioning accuracy achievable using Global Navigation Satellite Systems does not meet the requirements of these applications. Cooperative positioning (CP) techniques can be used for improving the performance of absolute or relative positioning in a vehicular ad hoc network (VANET). The tight integration of Global Positioning System (GPS) data among communicating vehicles has already been introduced by the authors as a tight CP approach with specific advantages over differential GPS (DGPS) for relative positioning. In this paper, we propose an enhanced tight CP technique adding low-cost inertial navigation sensors and GPS Doppler shifts. Based on analytical and experimental results, the new method outperforms its predecessor and DGPS by 10% and 24%, respectively.
Subject Navigation and Position Fixing
Keyword(s) Cooperative positioning (CP)
Dedicated short-range communication (DSRC)
Inertial navigation sensors (INSs)
Tight integration
Vehicular ad hoc network (VANET)
DOI - identifier 10.1109/TITS.2013.2265235
Copyright notice © 2013 IEEE
ISSN 1524-9050
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