基于位置信息的车联网路由恢复方法  

A route recovery method based on location information in vehicular ad hoc networks

作　　者：刘国田[1,2] 杨永军[2] 刘征宇[1,2] 张建军[1,2] 

机构地区：[1]安全关键工业测控技术教育部工程研究中心,合肥230009 [2]合肥工业大学计算机与信息学院,合肥230009

出　　处：《电子测量与仪器学报》2012年第8期716-720,共5页Journal of Electronic Measurement and Instrumentation

基　　金：高等学校博士学科点专项科研基金(20100111110004)资助;安徽省国际科技合作计划项目(10080703001)资助;安徽高等学校省级自然科学研究项目(KJ2011A220);合肥工业大学2011-2012年学生创新基金资助项目(XS11007)资助

摘　　要：利用方向性天线的高空间复用度和高传输能力,提出了一种基于位置信息的车联网路由恢复方法。为了减少路由修复过程中因目标节点移动对路由修复造成的影响,方法利用GSP定位装置提供的行车参数信息,对路由修复过程中目标节点的移动轨迹进行了预测并对目标节点位置进行修正。仿真实验表明:方法有效提高了路由修复成功率、降低了路由修复延迟和路由修复开销。By using the high spatial reuse and high transmission ability of directional antennas, an algorithm of routing recovery for vehicular ad hoc networks based on location information is proposed in this paper. In order to reduce the side effects of mobility of vehicles, this algorithm uses the position information acquired by GPS devices during rout- ing recovering, predicts the traces of vehicles and modifies the location of vehicles. The simulation shows that using this algorithm the successful rate of routing recovery is improved, and the lag and the cost of routing recovery is reduced.

关 键 词：方向性天线 车联网 路由恢复 位置信息 

分 类 号：TN915.04[电子电信—通信与信息系统]