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中文摘要：
在高速公路场景中，针对车辆间通信特性，在AODV的基础上提出了一种基于应用消息类型的改进路由协议（MTAODV）．其核心思想是在路由建立过程中充分考虑VANET中应用消息的类型，从而减小路由请求洪泛范围，降低网络开销．仿真实验结果表明，与AODV协议相比，MTAODV协议能够有效地提高分组递交率，降低了路由开销，改善了分组时延和抖动．
英文摘要：
Abstract.. According to the characteristics of inter--vehicle communication in highway scenarios, this paper proposes a message type based AODV routing protocol, i.e. MTAODV. The main idea is to distinguish the type of message at the application layer during the routing discovery process. The purpose is to reduce the flooding range. Our simu- lation results demonstrate that the MTAODV improve the performance in VANET, in terms of packet delivery ratio, delay and delay jitter, compared with AODV. In addition, the route overhead is greatly reduced as well.
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