An Error Protection Protocol for the Multicast Transmission of Data Samples in V2X Applications

IF 2 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Alex Bendrick, Jonas Peeck, Rolf Ernst
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引用次数: 0

Abstract

There is a trend towards communication of larger data objects in wireless vehicle communication. In many cases, communication uses publish-subscribe protocols. Data rate requirements of such protocols are best addressed by wireless multicast protocols, but the existing protocols lack an error protection that is suitable for real-time and safety-critical applications. We present an application-aware protocol that supports the popular DDS (Data Distribution Service) middleware. By exploiting data object deadlines and slack for retransmissions and employing an adaptable, multicast-aware prioritization mechanism the reliable exchange of large data objects is enabled. The protocol is sufficiently general to be used on top of different communication standards such as 802.11- and cellular-based V2X (Vehicle-to-Everything) technologies. The protocol was implemented in an OMNeT++ simulation model and evaluated against recent state-of-the-art alternatives using parameters and constraints taken from a motivational truck platooning example. Furthermore, the protocol was implemented using an open-source DDS implementation as the basis and tested on a physical wireless demonstrator setup. The evaluation shows that the presented multicast protocol substantially outperforms the alternatives keeping streaming applications operational even under high frame error rates.
V2X应用中数据样本组播传输的错误保护协议
在无线车辆通信中,存在着较大数据对象的通信的趋势。在许多情况下,通信使用发布-订阅协议。这种协议的数据速率要求最好通过无线多播协议来解决,但现有协议缺乏适用于实时和安全关键应用的错误保护。我们提出了一个支持流行的DDS(数据分发服务)中间件的应用程序感知协议。通过利用数据对象的最后期限和延迟进行重传,并采用可适应的、多播感知的优先级机制,实现了大型数据对象的可靠交换。该协议足够通用,可以在不同的通信标准之上使用,例如802.11和基于蜂窝的V2X(车辆到一切)技术。该协议在OMNeT++模拟模型中实现,并使用来自动机卡车队列示例的参数和约束条件,根据最新的最先进的替代方案进行评估。此外,该协议是以开源DDS实现为基础实现的,并在物理无线演示器上进行了测试。评估表明,所提出的多播协议大大优于即使在高帧错误率下也能保持流应用程序运行的替代方案。
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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来源期刊
ACM Transactions on Cyber-Physical Systems
ACM Transactions on Cyber-Physical Systems COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
CiteScore
5.70
自引率
4.30%
发文量
40
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