Efficient and unique identifier for V2X events aggregation in the Local Dynamic Map

H. Menouar, F. Filali, A. Abu-Dayya
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引用次数: 6

Abstract

Car to car communication has been getting a considerable interest from both industry and academia since the last decades, and especially the last years where the market introduction phase is approaching fast. Several useful applications will be enabled by car to car communication, such as safety applications that save drivers and passengers' lives, traffic efficiency applications that improve the traffic on the road and finally infotainment applications that provide more comfort in the car and on the road. All these applications rely on efficient and reliable cooperation between vehicles, which could be enabled only by efficient and reliable ITS systems. These systems will need to handle a huge amount of information which is received from vehicles and road equipments. Therefore, a good system to classify and store locally all this wonderful information for further utilization, needs to be considered seriously. ETSI TC ITS architecture adopts a nice solution for this issue and use Local Dynamic Map (LDM), which stores information in different layers on top of a digital map. The LDM solution has already been tested in several occasions and it has proven its efficiency. Even that, LDM still has some open issues that need more efforts to be solved and/or enhanced. One of these issues has not been considered yet by ongoing activities in the area is the unnecessary duplication of information in the LDM database. In this work, we come-out with an efficient solution to solve this issue, which enables a unique identifier per each event and therefore eliminates events (information) duplication in the LDM database. As active member in ETSI TC ITS, we will also bring this solution to ETSI to be integrated in the still ongoing ITS standards.
本地动态映射中V2X事件聚合的有效且唯一的标识符
自过去几十年以来,车对车通信已经引起了工业界和学术界的极大兴趣,特别是在最近几年,市场引入阶段正在快速接近。一些有用的应用程序将通过车对车通信实现,例如拯救驾驶员和乘客生命的安全应用程序,改善道路交通的交通效率应用程序,以及为汽车和道路提供更舒适的信息娱乐应用程序。所有这些应用都依赖于车辆之间高效可靠的合作,而这只有通过高效可靠的ITS系统才能实现。这些系统需要处理从车辆和道路设备接收到的大量信息。因此,一个好的系统来分类和本地存储所有这些精彩的信息,以供进一步利用,需要认真考虑。ETSI TC ITS架构采用了一个很好的解决方案,它使用了本地动态地图(LDM),它在数字地图的顶部将信息存储在不同的层中。LDM解决方案已经在多个场合进行了测试,并证明了它的有效性。即便如此,LDM仍然有一些有待解决的问题,需要更多的努力来解决和/或增强。该领域正在进行的活动尚未考虑到的其中一个问题是,LDM数据库中的信息不必要地重复。在这项工作中,我们提出了一个有效的解决方案来解决这个问题,该解决方案为每个事件提供唯一标识符,从而消除了LDM数据库中的事件(信息)重复。作为ETSI TC ITS的活跃成员,我们也将把这个解决方案带到ETSI,整合到仍在进行的ITS标准中。
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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