Retrieving dynamic origin-destination matrices from Bluetooth data

Michau, Gabriel, Nantes, Alfredo, Chung, Edward, Abry, Patrice, & Borgnat, Pierre (2014) Retrieving dynamic origin-destination matrices from Bluetooth data. In Transportation Research Board 93rd Annual Meeting, 12-16 January 2014, Washington, DC.


The Bluetooth technology is being increasingly used, among the Automated Vehicle Identification Systems, to retrieve important information about urban networks. Because the movement of Bluetooth-equipped vehicles can be monitored, throughout the network of Bluetooth sensors, this technology represents an effective means to acquire accurate time dependant Origin Destination information. In order to obtain reliable estimations, however, a number of issues need to be addressed, through data filtering and correction techniques. Some of the main challenges inherent to Bluetooth data are, first, that Bluetooth sensors may fail to detect all of the nearby Bluetooth-enabled vehicles. As a consequence, the exact journey for some vehicles may become a latent pattern that will need to be estimated. Second, sensors that are in close proximity to each other may have overlapping detection areas, thus making the task of retrieving the correct travelled path even more challenging.

The aim of this paper is twofold: to give an overview of the issues inherent to the Bluetooth technology, through the analysis of the data available from the Bluetooth sensors in Brisbane; and to propose a method for retrieving the itineraries of the individual Bluetooth vehicles. We argue that estimating these latent itineraries, accurately, is a crucial step toward the retrieval of accurate dynamic Origin Destination Matrices.

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ID Code: 66511
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Bluetooth, Origin Destination Matrix, Trip tables
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Current > Research Centres > Smart Transport Research Centre
Copyright Owner: Copyright 2014 [please consult the author]
Deposited On: 22 Jan 2014 22:28
Last Modified: 10 Apr 2014 04:59

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