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Enhancing Path Stability Towards the Provision of Multimedia Support in Vehicular Ad Hoc Networks

机译:增强车载Ad Hoc网络中多媒体支持的路径稳定性

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The recent advances and wide availability of wireless access technologies and inter-vehicle communication systems are expected to culminate in the integration of different wireless networks such as the IEEE 802.11, 3G/4G, and WiMax, multimedia and sensor networks in the next generation vehicular networks. However, due to high mobility of vehicles, several issues remain to be resolved before real-time multimedia based applications over VANETs become a reality. In this paper, we propose to study the provision of multimedia support in VANET, and present an efficient Path Stability Protocol, which we refer to as PASTA, as an additional module to MAC layer protocols that aims at preventing path breaks between vehicles that are frequently within reach of each other but not necessarily on a continuous basis. We discuss the implementation of our protocol, and report on its performance evaluation using a wide range of realistic scenarios. Our results indicate that our PASTA protocol decreases significantly the end-to-end latency as well as the network jitter.
机译:无线接入技术和车辆间通信系统的最新进展和广泛可用性预计将在下一代车辆网络中集成各种无线网络(例如IEEE 802.11、3G / 4G和WiMax,多媒体和传感器网络)达到高潮。但是,由于车辆的高机动性,在通过VANET进行基于实时多媒体的实时应用之前,尚需解决几个问题。在本文中,我们建议研究VANET中多媒体支持的提供,并提出一种有效的路径稳定协议,我们将其称为PASTA,作为MAC层协议的附加模块,旨在防止频繁车辆之间的路径中断。彼此可及,但不一定是连续的。我们讨论了该协议的实现,并使用各种实际方案报告了其性能评估。我们的结果表明,我们的PASTA协议可显着降低端到端延迟以及网络抖动。

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