Mix-zones optimal deployment for protecting location privacy in VANET
Mix-zones optimal deployment for protecting location privacy in VANET
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DOI：
10.1007/s12083-014-0269-z
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发表时间：
2014-06
影响因子：
4.2
通讯作者：
Yipin Sun;Bofeng Zhang;Bao-kang Zhao;Xiangyu Su;Jinshu Su
中科院分区：
文献类型：
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作者：
Yipin Sun;Bofeng Zhang;Bao-kang Zhao;Xiangyu Su;Jinshu Su
一个有前途的方法来保护司机的位置隐私在车辆自组织网络（VANET）建议车辆改变别名的区域称为混合区，在那里的对手不能窃听车辆通信。如何在大城市中部署混合区是一个具有挑战性的问题，在以前的报道中没有得到很好的解决。在本文中，我们提出了一个基于几何的度量来评估混合区的有效性，并选择混合区的隐私要求方面的候选人。此外，提出了一种经济有效的混合区部署方案，以保证任意地点的车辆在一定的行驶时间内都能通过有效的混合区，并且调整路线穿越混合区的额外开销时间很小。大量的模拟表明，所提出的评价指标是可行的，在各种交通场景下，而我们的计划在现实世界的地图上生成的部署计划，使司机有更多的机会通过混合区的道路。
A promising approach to protect driver’s location privacy in vehicular ad hoc network (VANET) suggests vehicle changing pseudonyms in regions called mix-zones, where the adversary cannot eavesdrop the vehicular communication. How to deploy mix-zones in a large city is a challenge problem and has not been well addressed in previously reported works. In this paper, we propose a statistics-based metric for evaluating the effectiveness of a mix-zone and selecting mix-zone candidates in term of privacy requirement. Furthermore, a cost-efficient mix-zones deployment scheme is presented to guarantee that vehicles at any place could pass through an effective mix-zone in certain driving time, and the extra overhead time of adjusting routes to across the mix-zone is small. Extensive simulations demonstrate that the proposed evaluation metric is viable under various traffic scenarios while the deployment plans generated by our scheme in a real-world map make drivers have more chances to pass through mix-zones on road.