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GNSS/cellular hybrid positioning system for mobile users in urban scenarios

Publication typeJournal paper
Year of publication2013
AuthorsGuido De Angelis, Giuseppe Baruffa, and Saverio Cacopardi
TitleGNSS/cellular hybrid positioning system for mobile users in urban scenarios
Journal titleIEEE Transactions on Intelligent Transportation Systems
Volume14
Issue1
Pages313–321
Editor
PublisherIEEE
DateMarch 2013
Place
ISSN number1524-9050
ISBN number
Key wordsGlobal Positioning System (GPS), Kalman Filter (KF), wireless positioning
AbstractThis paper proposes a hybrid scheme for user positioning in an urban scenario using both a Global Navigation Satellite System (GNSS) and a mobile cellular network. In order to maintain receiver complexity (and costs) at a minimum, the location scheme combines the Time Difference Of Arrival (TDOA) technique measurements obtained from the cellular network with GNNS pseudorange measurements. The extended Kalman filter algorithm is used as data fusion system. Simulated results, obtained starting from real measurements, demonstrate that the use of cellular network data may provide increased location accuracy when the number of visible satellites is not adequate. In every case, the obtained accuracy is within the limits required by emergency location services, e.g., Enhanced 911 (E911).
URLhttp://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6307871
DOIhttp://dx.doi.org/10.1109/TITS.2012.2215855
Other information
Paper (portable document format, 516946 Bytes)
Last update: 2015-10-12, 16:44:51