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Conference Paper
Li, Qingyuan, Wu, Hao, Liu, Lei, Pan, Bin, Dong, Lan.  2018.  A Group based Dynamic Mix Zone Scheme for Location Privacy Preservation in VANETs. 2018 Third International Conference on Security of Smart Cities, Industrial Control System and Communications (SSIC). :1–5.
Modern vehicles are equipped with wireless communication technologies, allowing them to communicate with each other. Through Dedicated Short Range Communication (DSRC), vehicles periodically broadcast beacons messages for safety applications, which gives rise to disclosure of location privacy. A way to protect vehicles location privacy is to have their pseudonyms changed frequently. With restrict to limited resources (such as computation and storage), we propose a group based dynamic mix zone scheme, in which vehicles form a group when their pseudonyms are close to expire. Simulation results confirm that the proposed scheme can protect location privacy and alleviate the storage burden.