Abstract

Soeren Rumpf, Till Steinbach, Franz Korf, Thomas C. Schmidt,
Software Stacks for Mixed-critical Applications: Consolidating IEEE 802.1 AVB and Time-triggered Ethernet in Next-generation Automotive Electronics,
In: Proc. of the 4th IEEE Int. Conf. on Consumer Electronics - Berlin, ser. ICCE-Berlin'14, p. 14–18, IEEE Press : Piscataway, NJ, USA, Sep. 2014.
[pdf][BibTeX][Abstract]

Abstract: Real-time Ethernet variants are expected to build the future communication infrastructure in cars. First camera based driver assistance functions will communicate using IEEE 802.1 AVBs credit-based shaping. But for the strict timing requirements of automotive control-traffic, AVBs current timing guarantees are insufficient. The upcoming IEEE 802.1Qbv standard proposes synchronous time-triggered traffic to overcome these limitations. This paper presents a low footprint microcontroller based communication architecture, that supports both traffic classes in parallel while using standard hardware components. It allows first realistic performance analyses of coexistent traffic shaping strategies in a software based implementation.

Themes: Time-Sensitive Networking

 

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