Privacy Implications of In-Network Aggregation Mechanisms for VANETs

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Dietzel, Stefan (2011) Privacy Implications of In-Network Aggregation Mechanisms for VANETs. In: 8th International Conference on Wireless On-demand Network Systems and Services, 26-28 Jan 2011, Bardonecchia, Italy.

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Abstract:Research on vehicular ad hoc networks (VANETs) is active and ongoing. Proposed applications range from safety applications, and traffic efficiency applications to entertainment applications. Common to many applications is the need to disseminate possibly privacy-sensitive information, such as location and speed information, over larger distances. In-network aggregation is a promising technology that can help to make such privacy-sensitive information only available in the direct vicinity of vehicles instead of communicating it over larger areas. Further away, only aggregated information that is not privacy-relevant anymore will be known. At the same time, aggregation mechanisms help to cope with the limited available wireless bandwidth. However, the exact privacy properties of aggregation mechanisms have still not been thoroughly researched. In this paper, we propose a metric to measure privacy enhancements provided by in-network aggregation and use it to compare existing schemes.
Item Type:Conference or Workshop Item
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/75948
Conference URL:http://conferenze.dei.polimi.it/wons2011/
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