通信学报 ›› 2017, Vol. 38 ›› Issue (4): 25-34.doi: 10.11959/j.issn.1000-436x.2017093

• 学术论文 • 上一篇    下一篇

基于路口时延下界的车联网数据分发方案

彭鑫1,2,李仁发2,李哲涛2,3,谢国琪2   

  1. 1 湖南理工学院信息与通信工程学院复杂系统优化与控制湖南省高校重点实验室,湖南 岳阳 414000
    2 湖南大学嵌入式与网络计算湖南省重点实验室,湖南 长沙 410082
    3 湘潭大学信息工程学院,湖南 湘潭 411105
  • 修回日期:2016-11-14 出版日期:2017-04-01 发布日期:2017-07-20
  • 作者简介:彭鑫(1981-),男,湖南岳阳人,博士,湖南理工大学副教授,主要研究方向为无线传感器网络、车联网。|李仁发(1957-),男,湖南郴州人,湖南大学教授、博士生导师,主要研究方向为嵌入式系统和无线传感器网络。|李哲涛(1980-),男,湖南邵阳人,博士,湘潭大学副教授,主要研究方向为物联网和CPS。|谢国琪(1983-),男,湖南宁乡人,博士,湖南大学讲师,主要研究方向为嵌入式系统和CPS。
  • 基金资助:
    国家自然科学基金资助项目(61300039);国家自然科学基金资助项目(61173036);中国博士后面上基金资助项目(2013M542109);湖南省自然科学基金资助项目(14JJ3130);湖南省教育厅重点基金资助项目(12A057)

Data dissemination of VANET based on lower bound of road delay

Xin PENG1,2,Ren-fa LI2,Zhe-tao LI2,3,Guo-qi XIE2   

  1. 1 Key Laboratory on Complex Systems Optimization and Controlling of Hunan High Education Institutions,College of Information and Communication Engineering,Hunan Institute of Science and Technology,Yueyang 414000,China
    2 Key Laboratory for Embedded and Network Computing of Hunan Province,Hunan University,Changsha 410082,China
    3 College of Information Engineering,Xiangtan University,Xiangtan 411105,China
  • Revised:2016-11-14 Online:2017-04-01 Published:2017-07-20
  • Supported by:
    The National Natural Science Foundation of China(61300039);The National Natural Science Foundation of China(61173036);China Postdoctoral Science Foundation(2013M542109);The Natural Science Foundation of Hunan Province(14JJ3130)

摘要:

提出一种车联网数据分发机制。该方案利用车辆分布情况,求出各交通路段数据传输时延,并采用压缩感知方法构造交通网络各节点间的数据传输时延下界,以此辅助车辆进行数据转发决策。然后通过车辆和数据分组的路径匹配度选择下一跳转发车辆。此外,通过马尔可夫模型推导出交通路口的数据分组转发概率。仿真实验表明,与现有的数据转发方案相比,提出的方案具有较低的数据转发时延和较高的可靠性。

关键词: 车联网, 压缩感知, 马尔可夫过程, 数据分发

Abstract:

A reliable VANET data dissemination method was proposed.The method used the traffic information to estimate data transmission delay in each road.Compressive sensing method was used to deduce the lower bound of data transmission delay among each intersection.These information could assist carrier to choose forward routing.In the process of data forward,the vehicle that its route more similar with the forwarding data will be chosen as the next carrier.Furthermore,data forward probability at intersection was deduced based on Markov model.The simulation results demonstrate that presented method achieves lower-delay and higher reliable performance than existed packet forward protocols.

Key words: VANET, compressive sensing, Markov process, data forward

中图分类号: 

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