An edge computing-enabled computation offloading method with privacy preservation for internet of connected vehicles

Xiaolong Xu, Yuan Xue, Lianyong Qi, Yuan Yuan, Xuyun Zhang, Tariq Umer, Shaohua Wan*

*Corresponding author for this work

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

The Internet of connected vehicles (IoV) is employed to collect real-time traffic conditions for transportation control systems, and the computing tasks are available to be offloaded from the vehicles to the edge computing devices (ECDs) for implementation. Despite numerous benefits of IoV and ECDs, the wireless communication for computation offloading increases the risk of privacy leakage, which may consequently lead to tracking, identity tampering and virtual vehicle hijacking. Therefore, it remains a challenge to avoid privacy conflicts for computation offloading to the ECDs in IoV. To address this challenge, an edge computing-enabled computation offloading method, named ECO, with privacy preservation for IoV is proposed in this paper. Technically, the privacy conflicts of the computing tasks in IoV are analyzed in a formalized way. Then, vehicle-to-vehicle (V2V) communication-based routing for a vehicle is designed to acquire the routing vehicles from the origin vehicle where the computing task is located at the destination vehicle. NSGA-II (non-dominated sorting genetic algorithm II) is adopted to realize multi-objective optimization to reduce the execution time and energy consumption of ECDs and prevent privacy conflicts of the computing tasks. Finally, experimental evaluations are conducted to validate the efficiency and effectiveness of ECO.

Original languageEnglish
Pages (from-to)89-100
Number of pages12
JournalFuture Generation Computer Systems
Volume96
DOIs
Publication statusPublished - Jul 2019
Externally publishedYes

Keywords

  • Computation offloading
  • Edge computing
  • Energy consumption
  • IoV
  • Privacy preservation

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