一种基于伪距离的VANETs的节点位置安全算法

摘要

由于VANETs的车辆的快速移动,基于地理位置的路由协议广泛应用于VANETs.车辆周期广播位置信息来建立路由,导致车辆的位置信息容易遭受泄露.为此,提出基于伪距离的位置隐私保护(false-based location privacy protection,FLPP)路由协议.在FLPP中,通过转发节点到目标节点的伪距离而不是真实距离来建立路由,通过巧妙地设置节点的定时器来保护节点的位置信息,同时采用别名策略隐藏身份信息.仿真结果表明,FLPP具有较高的数据传输率以及位置隐私保护力度.%Geographic-based location routing protocols are widely used in VANETs since vehicles move fast. Vehicles periodically broadcast its current location information, which results in the event that location information is vulnerable to leak. Therefore, the FLPP (false-based location privacy protection ) routing protocols were put forward in this paper. In FLPP, it makes use of the false distance between forwarding vehicles and destinations vehicles to build routing, not the real distance. In order to protect the vehicle location information, the timer of vehicle was cleverly set,and at the same time, the pseudonym strategy was used to hidden identity information. The simulation results show that the proposed FLPP has the high data delivery ratio and the position of privacy protection.