V-DESYNC: Desynchronization for Beacon Broadcasting on Vehicular Networks

Tossaphol Settawatcharawanit, S. Choochaisri, C. Intanagonwiwat, K. Rojviboonchai
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引用次数: 16

Abstract

Several prospective applications on vehicular networks have been defined. Most applications rely on beaconing mechanisms to broadcast the presence and updated information of a vehicle to surrounding neighbors. However, due to the broadcasting nature, no acknowledgement mechanism is provided. Therefore, vehicles do not perceive beacon collision if two or more vehicles simultaneously broadcast the beacons. Consequently, vehicles miss updated information from their neighbors. In this paper, we propose V-DESYNC, an algorithm that distributively desynchronizes vehicles to broadcast beacons at different times based on only timing information. V-DESYNC is designed to avoid the beacon collision and tolerate the highly dynamic behavior of vehicular networks. Our evaluation results indicate that V-DESYNC can significantly reduce the number of beacon collisions without decreasing the beaconing rate on vehicular networks.
V-DESYNC:车载网络上信标广播的去同步
在车载网络中定义了几个潜在的应用。大多数应用程序依赖信标机制向周围邻居广播车辆的存在和更新信息。但是,由于广播的性质,没有提供确认机制。因此,如果两辆或更多的车辆同时广播信标,则车辆不会感知到信标碰撞。因此,车辆会错过来自相邻车辆的更新信息。在本文中,我们提出了一种V-DESYNC算法,该算法仅基于定时信息,在不同时间分布式地使车辆去同步广播信标。V-DESYNC旨在避免信标碰撞,并容忍车辆网络的高动态行为。我们的评估结果表明,V-DESYNC可以在不降低车辆网络信标率的情况下显著减少信标碰撞次数。
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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