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中文摘要：
车载自组织网络（VANET）是一种自组织、结构开放的车辆间通信网络,随着无线通信技术与交通业联系的日益密切,VANET得到了大力发展。本文从VANET的基本概念和发展进程出发,综述VANET的关键技术。首先介绍VANET的网络模型、主要特点及体系结构,然后对VANET的物理层、MAC层、路由协议及应用层的研究内容和研究现状进行了系统阐述,最后对VANET今后的研究方向和应用前景进行了展望。
英文摘要：
Vehicular Ad Hoc network is a self-organized inter-vehicle communication network with an open structure.As the relationship between wireless communications technology and transportation industry becomes ever closer,VANET is developed actively.On the basis of presenting the concept and developing process of VANET,this paper makes a survey on the key techniques of VANET.Firstly,this paper introduces the network model,main features and system architecture of VANET,and then discusses the research contents and current situations of physical layer,MAC layer,routing protocols and application layer in detail.Finally,the research directions and applications in the future are prospected.
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