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Lightweight Group Authentication with Dynamic Vehicle-Clustering for 5G-Based V2X Communications

机译：轻量级群体认证具有动态车辆聚类，适用于基于5G的V2X通信

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For 5G based Vehicle-to-Everything (V2X) communications, it is envisioned that the network latency will be dramatically decreased to the extent of 1msec. However, achieving such low latency with high mobility in vehicular networks is a challenge. In this paper, we propose a lightweight group authentication scheme for 5G- based V2X communications using three different vehicles' roles in each cluster: an ordinary vehicle, Cluster Head (CH), and gateway vehicle. To increase cluster connectivity time, our clustering algorithm is developed based on three metrics: cluster's relative velocity, relative position, and received signal strength. The proposed authentication scheme aims to mutually authenticate the vehicle and CH as well as create a shared group key to be used inside the cluster. The security analysis and performance evaluation show that our proposed scheme thwarts inside and outside authentication attacks, and achieves up to 50% less computation overhead than those achieved in the existing schemes.
机译：对于基于5G的车辆到所有（V2X）通信，设想网络延迟将大大降低到1毫秒的范围。然而，在车辆网络中实现这种低潜伏期是一种挑战。在本文中，我们提出了一种用于5G基于V2X通信的轻量级群体认证方案，使用每个集群中的三种不同的车辆角色：普通车辆，群集头（CH）和网关车辆。为了增加群集连接时间，我们的聚类算法是基于三个度量：群集的相对速度，相对位置和接收信号强度开发的。所提出的认证方案旨在相互验证车辆和CH，以及创建要在群集中使用的共享组密钥。安全性分析和绩效评估表明，我们提出的方案阻止内部和外部认证攻击，并且在现有方案中实现的计算开销最多可实现50 ％。

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