NDLI: Enhancing privacy in collaborative traffic-monitoring systems using autonomous location update

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Enhancing privacy in collaborative traffic-monitoring systems using autonomous location update

Content Provider	IET Digital Library
Author	Amro, Belal Saygin, Yucel Levi, Albert
Abstract	Collaborative traffic-monitoring (CTM) systems exploit the location information continuously collected from vehicles. Location data are very sensitive information that made privacy a major obstacle for the widespread usage of CTM systems. The way how this data are generated and used is very important for users' privacy and data quality as well. Recently, two CTM approaches have been proposed, the first relies on a dedicated infrastructure that is called vehicular ad hoc networks (VANETs), and the second utilises the existing underlying infrastructure such as cellular and wireless networks. In this study, the authors propose a privacy aware collaborative traffic monitoring system (PA-CTM) that considers the privacy and security properties of VANETs and existing infrastructures. PA-CTM provides a client server architecture that relies on existing infrastructures and enhances privacy by: (i) Using a robust pseudonym providing system for anonymous access. Pseudonyms enable users to be authenticated anonymously by the traffic server without having their identities revealed. It also allows revealing identities for law enforcement purposes when necessary. Users are able to change their pseudonyms and hence hide their complete trajectory information form traffic server. (ii) Utilising a novel autonomous location update mechanism (ALUM) that does not rely on a trusted third party and uses only local parameters (speed and direction) for triggering a location update or pseudonym change. These performance results showed that ALUM is effective for traffic monitoring in terms of both privacy and utility.
Starting Page	388
Ending Page	395
Page Count	8
ISSN	1751956X
Volume Number	7
e-ISSN	17519578
Issue Number	Issue 4, Dec (2013)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/7/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2011.0212
Journal	IET Intelligent Transport Systems
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	ALUM Anonymous Access Autonomous Location Update Mechanism Cellular Network Client Server Architecture Client-server System Computer Communication Computer Network And Technique Computer Network Security Computerised Instrumentation Computerised Monitoring CTM Approach Data Privacy Data Quality Data Security Groupware Mobile Radio System PA-CTM System Privacy Aware Collaborative Traffic Monitoring System Privacy Enhancement Robust Pseudonym Providing System Sensitive Information Sensor Fusion Traffic Engineering Computing Traffic Information System Traffic Server User Privacy VANET Privacy Property VANET Security Property Vehicle Location Information Vehicular Ad Hoc Network Wireless Network
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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