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Trajectory reconstruction from mobile positioning data using cell-to-cell travel time information

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This paper proposes a technique for improving the accuracy of mobile device movement trajectory reconstruction using passive mobile positioning data. The major sources of uncertainty in trajectory reconstruction are imprecise cell shape data and ‘ping-pong’ effects caused by cell handovers. We used a novel technique for improved ‘ping-pong’ effect suppression by compensating for some cell shape distortions based on temporal cell-to-cell transit statistics. The results were evaluated by estimating traffic flow using trajectory reconstruction. The proposed technique improved the accuracy of results compared to ‘ping-pong’ suppression algorithms found in the literature.
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Keywords: OD matrix; map matching; mobile positioning accuracy; traffic flow; trajectory reconstruction

Document Type: Research Article

Affiliations: 1: Institute of Computer Science, University of Tartu, Tartu, Estonia 2: Regio AS, Tartu, Estonia

Publication date: November 2, 2015

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