VANET中基于模糊逻辑的RSU自适应数据更新方案

doi:10.19678/j.issn.1000-3428.0052828

计算机工程 ›› 2019, Vol. 45 ›› Issue (11): 86-90,96. doi: 10.19678/j.issn.1000-3428.0052828

VANET中基于模糊逻辑的RSU自适应数据更新方案

郝伟强, 熊书明

江苏大学计算机科学与通信工程学院, 江苏镇江 212000

收稿日期:2018-10-09 修回日期:2018-11-13 发布日期:2018-11-20
作者简介:郝伟强(1994-),男,硕士研究生,主研方向为车载自组网路由协议;熊书明,副教授、博士。
基金资助:
国家自然科学基金（61702231）；江苏省自然科学基金（BK20170556）。

Adaptive Data Update Scheme for RSU Based on Fuzzy Logic in VANET

HAO Weiqiang, XIONG Shuming

College of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang, Jiangsu 212000, China

Received:2018-10-09 Revised:2018-11-13 Published:2018-11-20

摘要/Abstract

摘要： 在基于路边基站（RSU）的车载自组网（VANET）路由协议中，RSU以固定周期更新数据导致交通控制中心（TCC）的部分数据容易失效，造成数据包丢失，严重影响路由协议性能。为此，提出一种基于模糊逻辑的RSU自适应数据更新周期计算方案。RSU根据自身服务范围内车辆节点的运动状况，利用注册表中数据量和数据更新速率参数，设计模糊逻辑控制系统，自适应计算数据更新周期，从而提高TCC中数据的有效性。实验结果表明，与BUS-VANET路由协议相比，基于该方案的VANET路由协议能够提升通信链路的稳定性和可靠性，并降低数据更新包数量和传输时延。

关键词: 车载自组网, 路由协议, 模糊逻辑, 路边基站, 自适应数据更新

Abstract: In the routing protocols of Vehicular Ad Hoc Network(VANET) based on Road Side Unit(RSU),RSU updates data at a regular basis,causing a high risk of data invalidation in the Traffic Control Center(TCC).The resultant data packet loss can have a significant influence on the routing protocol performance.To address the problem,this paper proposes a fuzzy logic-based adaptive scheme to calculate the data update cycle of RSU in VANET.The scheme enables RSU to design a fuzzy logic-based control system,which considers the movement of vehicle nodes within the service scope of RSU and takes the data volume and data update speed in the registry as two inputs.The system can adaptively calculate the data update cycle to improve data validity in TCC.Experimental results show that compared with the BUS-VANET routing protocol,the VANET routing protocol based on this scheme can improve the stability and reliability of communication channels,and reduce the number of data update packets and transmission delay.

Key words: Vehicle Ad Hoc Network(VANET), routing protocol, fuzzy logic, Road Side Unit(RSU), adaptive data update

中图分类号:

TP393

郝伟强, 熊书明. VANET中基于模糊逻辑的RSU自适应数据更新方案[J]. 计算机工程, 2019, 45(11): 86-90,96.

HAO Weiqiang, XIONG Shuming. Adaptive Data Update Scheme for RSU Based on Fuzzy Logic in VANET[J]. Computer Engineering, 2019, 45(11): 86-90,96.

http://www.ecice06.com/CN/Y2019/V45/I11/86

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