Assessments of Real-Time Communications over TSN Automotive Networks

• Main Authors: Lucia Lo Bello, Gaetano Patti, Giancarlo Vasta
• Format: Article
• Language: English
• Published: MDPI AG 2021-02-01
• Series: Electronics
• Subjects: IEEE 802.1; Time-Sensitive Networking (TSN); automotive communications; real-time networks; in-vehicle networks; performance evaluation
• Online Access: https://www.mdpi.com/2079-9292/10/5/556

The IEEE 802.1Q-2018 standard embeds in Ethernet bridges novel features that are very important for automated driving, such as the support for time-driven communications. However, cars move in a world where unpredictable events may occur and determine unforeseen situations. To properly react to such situations, the in-car communication system has to support event-driven transmissions with very low and bounded delays. This work provides the performance evaluation of EDSched, a traffic management scheme for IEEE 802.1Q bridges and end nodes that introduces explicit support for event-driven real-time traffic. EDSched works at the MAC layer and builds upon the mechanisms defined in the IEEE 802.1Q-2018 standard.