稀疏车辆网络中基于DTN路由的导航系统

H. Higaki
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引用次数: 4

摘要

针对无线节点密集分布的无线网络,提出了多种自组织路由协议。为了支持稀疏无线网络中的多跳传输,提出了一些容忍延迟网络(DTN)路由。然而,在DTN路由中,很难在通信开销和数据消息的可达性之间取得更好的平衡。提出了一种基于车载卫星导航系统的车载自组网DTN路由协议。根据导航系统检测到的行驶路线传输数据报文,并对下一跳检测失败造成的偏差进行恢复,在不传输数据报文副本的情况下实现了高可达性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Navigation system based DTN routing in sparse vehicular networks
Various ad-hoc routing protocols have been proposed for wireless networks with dense distribution of wireless nodes. For support of multihop transmission in sparse wireless networks, some DTN (delay-tolerant network) routing have been proposed. However, it is difficult to get better tradeoff between communication overhead and reachability of data messages in DTN routing. This paper proposes a novel DTN routing protocol with help of satellite navigation system mounted on vehicles for vehicular ad-hoc networks (VANETs). By transmission of data messages along a driving route detected by the navigation system and recovery from the deviation due to next-hop detection failure, the proposed routing achieves high reachability though no copies of data messages are transmitted.
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