现实城市车载Ad-Hoc网络视频传播评价

Proceedings of the 19th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems Pub Date : 2016-11-13 DOI:10.1145/2988287.2989176

Cristhian Iza Paredes, A. M. Mezher, M. Aguilar-Igartua

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引用次数: 4

摘要

车载自组织网络(VANETs)的视频内容传输预计将对道路安全、交通管理以及提供增值车辆服务大有裨益。在本文中，我们评估了现实城市场景中现有的五种传播机制。我们还提出了RCP+作为一种基于vanet的自适应视频流的改进机制。RCP+是一种视频安全信息的跨层传播机制，专门用于无基础设施支持的城市场景。通过仿真，我们将该方案与其他分布式传播机制进行了比较。性能评估表明，我们的提议机制更适合于现实城市场景下的视频传输。结果还表明，改进的帧编码方法为多媒体业务提供了许多机会。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Evaluating Video Dissemination in Realistic Urban Vehicular Ad-Hoc Networks

Video content delivery for vehicular ad hoc networks (VANETs) is envisioned to be of high benefit for road safety, traffic management as well as for providing value-added vehicle services. In this paper, we evaluate five existing dissemination mechanisms in a realistic urban scenario. We also propose RCP+ as a renovated mechanism for adaptative video streaming over VANETs. RCP+ is a cross layer dissemination mechanism for video safety messages that specifically addresses urban scenarios with zero infrastructure support. Through simulations, we compare our proposal with other distributed dissemination mechanisms. The performance evaluation shows that our proposal mechanism is more suitable for video transmission in realistic urban scenarios. The results also indicate that a modified frame coding approach provides many opportunities for multimedia services.

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Proceedings of the 19th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems

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