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首页> 外文会议>2019 AEIT International Conference of Electrical and Electronic Technologies for Automotive >Performance Assessment of the IEEE 802.1Q in Automotive Applications
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Performance Assessment of the IEEE 802.1Q in Automotive Applications

机译：汽车应用中IEEE 802.1Q的性能评估

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摘要

Ethernet is nowadays a promising communication technology for automotive applications as, comparing with the existing in-vehicle networks, it offers high bandwidth and a significant reduction of cabling costs, while meeting the EMC/EMI requirements of automotive communications. The IEEE 802.1Q standard is one of the base standards of Time-Sensitive Networking. It offers several benefits, such as the real-time support, as it provides bounded latency to time-constrained traffic classes, with zero jitter and congestion-free transmissions, and the capability to handle multiple traffic classes on the same channel. The IEEE 802.1Q standard specifies multiple features, that support different ways to handle the transmission of Ethernet frames. In this paper a comparative performance assessment of three network configurations defined in the IEEE 802.1Q standard for automotive applications are presented. The assessment results are obtained using the OMNeT++ framework. The comparison between the results of these three different network configurations, using realistic traffic patterns, provides a quantitative evaluation of the network performance in terms of maximum end-to-end delays and absolute jitter.
机译：如今，以太网是一种用于汽车应用的有前景的通信技术，因为与现有的车载网络相比，它提供了高带宽并显着降低了布线成本，同时满足了汽车通信的EMC / EMI要求。 IEEE 802.1Q标准是时间敏感网络的基本标准之一。它具有多种优势，例如实时支持，因为它为受时间限制的流量类别提供了有限的延迟，具有零抖动和无拥塞传输，并且能够在同一信道上处理多种流量类别。 IEEE 802.1Q标准指定了多种功能，这些功能支持处理以太网帧传输的不同方法。本文提出了针对汽车应用的IEEE 802.1Q标准中定义的三种网络配置的比较性能评估。评估结果是使用OMNeT ++框架获得的。使用实际流量模式对这三种不同网络配置的结果进行比较，可以根据最大的端到端延迟和绝对抖动对网络性能进行定量评估。

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