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Frequently changing pseudonyms is one of commonly accepted approaches to protect location privacy in Vehicular Ad hoc NETworks (VANETs), but most pseudonyms change schemes based on vehicular individual behavior are inefficient and the level of anonymity provided by these schemes is difficult to be analyzed. In this paper, we discuss how Cooperative Pseudonym Change (CPC) scheme enhances anonymity...
Changing pseudonyms are commonly accepted as one approach to protect location privacy in VANETs, but the effectiveness of most changing pseudonyms schemes have never been investigated rigorously. In this paper, we present a detailed analytical model based on a kind of simplest scheme, called Random Changing Pseudonyms (RCP), to quantify the level of location privacy provided by this scheme. Furthermore,...
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