GBit Ethernet - The Solution for Future In-Vehicle Network Requirements?

Paper #:
  • 2015-01-0200

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-0200
Citation:
Schmidt, K., Dannebaum, U., and Zweck, H., "GBit Ethernet - The Solution for Future In-Vehicle Network Requirements?," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 8(2):289-295, 2015, doi:10.4271/2015-01-0200.
Pages:
7
Abstract:
In-vehicle communication faces increasing bandwidth demands, which can no longer be met by today's MOST150, FlexRay or CAN networks. In recent years, Fast Ethernet has gained a lot of momentum in the automotive world, because it promises to bridge the bandwidth gap. A first step in this direction is the introduction of Ethernet as an On Board Diagnostic (OBD) interface for production vehicles. The next potential use cases include the use of Ethernet in Driver Assistance Systems and in the infotainment domain. However, for many of these use cases, the Fast Ethernet solution is too slow to move the huge amount of data between the Domain Controllers, ADAS Systems, Safety Computer and Chassis Controller in an adequate way.The result is the urgent need for a network technology beyond the Fast Ethernet solution. The question is: which innovation will provide enough bandwidth for domain controllers, fast flashing routines, video data, MOST-replacement and internal ECU buses? And of equal importance, which one is able to fulfill the standard automotive requirements such as Cost efficiency (for cables, connectors)Functional safetySecurity (separation, application filtering, secure switching)Real-time behavior (latency, delays)EMC requirements.
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