Prerequisite to 1-connected vehicular ad hoc networks in highway scenarios

被引:3
作者
Xiong W. [1 ,2 ]
Li Q.-Q. [2 ,3 ]
机构
[1] School of Electronic Information, Wuhan University
[2] Transportation Research Center, Wuhan University
[3] National Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University
来源
Ruan Jian Xue Bao/Journal of Software | 2010年 / 21卷 / 11期
关键词
Necessary condition; Network topology model; Physical connectivity; Probability analysis; Vehicular ad hoc network; Vehicular mobility model;
D O I
10.3724/SP.J.1001.2010.03681
中图分类号
学科分类号
摘要
Recent advances in micro-electromechanical systems (MEMS) technology, mobile computing, and wireless communications have enabled rapid deployment of a self-organizing, infrastructure-less, multi-hop, and distributed inter-vehicle communication (IVC) network based on pre-existing road layouts. Vehicular traffic scenarios pose great challenges to physical topology connectivity, which is a prerequisite to providing reliable applications to the users of a vehicular ad hoc network (VANET). This paper provides a probability analysis algorithm to calculate the necessary condition of 1-connected VANETs in highway scenarios. Extensive experiments were undertaken to verify the derived analytic expression via realistic mobility traces. Results demonstrate that the radio communication range of each node must be subject to Θ(|log(1-p1/n)|/n) in order to ensure that there is no isolated nodes within the entire network. © by Institute of Software, the Chinese Academy of Sciences. All rights reserved.
引用
收藏
页码:2906 / 2919
页数:13
相关论文
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