基于有效覆盖区域的VANET链路持续时间建模与仿真

doi:10.3969/j.issn.1000-3428.2016.03.005

计算机工程

所属专题：车联网专题；

基于有效覆盖区域的VANET链路持续时间建模与仿真

张月,刘春凤,赵增华,舒炎泰

(天津大学计算机科学与技术学院天津市认知计算与应用重点实验室,天津 300072)

收稿日期:2015-06-17 出版日期:2016-03-15 发布日期:2016-03-15
作者简介:张月(1991-),女,硕士研究生,主研方向为车载自组织网络;刘春凤(通讯作者),讲师、博士;赵增华,副教授、博士;舒炎泰,教授。
基金资助:
国家自然科学基金资助项目(61402327,61363081,61172063);天津大学自主创新基金资助项目(2014XZ-0119)。

Modeling and Simulation of Link Duration in Vehicular Ad Hoc Network Based on Effective Coverage Area

ZHANG Yue,LIU Chunfeng,ZHAO Zenghua,SHU Yantai

(Tianjin Key Laboratory of Cognitive Computing and Application,School of Computer Science and Technology,Tianjin University,Tianjin 300072,China)

Received:2015-06-17 Online:2016-03-15 Published:2016-03-15

摘要/Abstract

摘要：

为研究节点移动方向、移动速度等因素对车载自组织网络(VANET)链路动态性的影响,通过限制实际VANET环境中的道路宽度和节点传播范围定义节点有效覆盖区域,建立链路动态分析模型,推导出链路持续时间及其累计分布函数的理论表达式。通过仿真实验对理论结果进行验证,得出理论计算与仿真数据吻合较好的结论,并表明节点移动速度、道路宽度和节点传播范围等因素对链路持续时间都有一定程度的影响,其中节点传播范围所占比重相对较大。

关键词: 车载自组织网络, 链路动态性, 链路持续时间, 有效覆盖区域, 累计分布函数

Abstract:

In order to study the influence of node movement direction and movement speed on the dynamism of Vehicular Ad Hoc Network(VANET),a link dynamic analysis model is established by limiting the path width and node propagation range in the actual VANET environment.The theoretical expression of link duration and its Cumulative Distribution Function(CDF) are derived.The theoretical results are verified by the simulation experiment,and the results show that the theoretical analysis results are in good agreement with the simulation data,and node movement speed,road width and node transmission range have a certain impact on the results,however the node transmission range on the VANET link duration is relatively large.

Key words: Vehicular Ad Hoc Network(VANET), link dynamism, link duration, effective coverage area, Cumulative Distribution Function(CDF)

中图分类号:

TP393

张月,刘春凤,赵增华,舒炎泰. 基于有效覆盖区域的VANET链路持续时间建模与仿真[J]. 计算机工程, doi: 10.3969/j.issn.1000-3428.2016.03.005.

ZHANG Yue,LIU Chunfeng,ZHAO Zenghua,SHU Yantai. Modeling and Simulation of Link Duration in Vehicular Ad Hoc Network Based on Effective Coverage Area[J]. Computer Engineering, doi: 10.3969/j.issn.1000-3428.2016.03.005.

http://www.ecice06.com/CN/Y2016/V42/I3/22

参考文献

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