NDLI: Measuring location privacy in V2X communication systems with accumulated information

Content Provider	IEEE Xplore Digital Library
Author	Zhendong Ma Kargl, F. Weber, M.
Copyright Year	2009
Description	Author affiliation: Institute of Media Informatics, Ulm University, Germany (Zhendong Ma; Kargl, F.; Weber, M.)
Abstract	Vehicle-to-vehicle/vehicle-to-infrastructure (V2X) communication systems are envisioned to greatly improve road safety, traffic efficiency, and driver convenience. However, many V2X applications rely on continuous and detailed location information, which raises location privacy concerns. A multitude of privacy-protection mechanisms have been proposed in recent years. However, few efforts have been made to develop privacy metrics, which can provide a rigorous way to assess the privacy risk, evaluate the effectiveness of a given mechanism, and exploit the full possibilities of protection methods in V2X systems. Therefore, in this paper we present a trip-based location privacy metric for measuring user location privacy in V2X systems. The most distinguishable aspect of the metric is to take into account the accumulated information, which is the privacy-related information acquired by an adversary for an extended period of time, e.g., days or weeks. We develop methods to model and process the accumulated information, and reflect the impact on the privacy level in the metric. We further prove the viability and correctness of the metric by various case studies. Our simulations find out that under certain conditions, accumulated information can significantly decrease the level of user location privacy. The metric and our findings in this paper give some valuable insights into location privacy, which can contribute to the development of effective privacy-protection mechanisms for the users of V2X systems.
Starting Page	322
Ending Page	331
File Size	4705564
Page Count	10
File Format	PDF
ISBN	9781424451135
DOI	10.1109/MOBHOC.2009.5336983
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Privacy Road accidents Road vehicles Telecommunication traffic Road safety Communications technology Communication system traffic Protection Informatics Mobile ad hoc networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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