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Privacy-preserving data aggregation scheme for edge computing supported vehicular ad hoc networks
Transactions on Emerging Telecommunications Technologies ( IF 3.6 ) Pub Date : 2020-03-26 , DOI: 10.1002/ett.3952
Ouyang Zhao 1 , Xuchong Liu 2 , Xiong Li 1, 3 , Pitam Singh 4 , Fan Wu 5
Affiliation  

Vehicular ad hoc networks (VANETs) allow vehicles getting road situation by connecting with roadside unit (RSU) through the on-board unit, and this information can be processed to improve transportation services in a timely manner. Meanwhile, the three-tier edge computing system can support the VANETs well. However, the limited bandwidth of the VANETs and the privacy of uploaded data are still issues to be resolved. Data aggregation is an effective way to address the issue of limited bandwidth and data privacy protection for individual devices. In this article, based on the bilinear pairing and Paillier homomorphic encryption, we design a privacy-preserving data aggregation scheme for edge computing supported VANETs, which not only preserves the privacy of uploaded data but also realizes batch operations. Also, the proposed scheme guarantees the features of data integrity and source authentication. Moreover, the comparison of performance evaluation between ours and other recent schemes shows that the proposed scheme significantly reduces the communication overhead and is more suitable for resource-constrained terminal device.

中文翻译:

边缘计算支持的车载自组织网络的隐私保护数据聚合方案

车载自组网(VANETs)允许车辆通过车载单元与路边单元(RSU)连接来获取道路状况,并且可以处理这些信息以及时改善交通服务。同时,三层边缘计算系统可以很好地支持VANETs。然而,VANET 的有限带宽和上传数据的隐私仍然是有待解决的问题。数据聚合是解决单个设备带宽有限和数据隐私保护问题的有效方法。本文基于双线性对和Paillier同态加密,为支持边缘计算的VANET设计了一种隐私保护的数据聚合方案,既保护了上传数据的隐私,又实现了批量操作。还,所提出的方案保证了数据完整性和来源认证的特点。此外,我们与其他近期方案的性能评估比较表明,该方案显着降低了通信开销,更适用于资源受限的终端设备。
更新日期:2020-03-26
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