Automotive ethernet and other bus systems

Automotive Ethernet and other bus systems

In-vehicle communication networks – automotive Ethernet and other bus systems

Inside a typical car, you will find over 100 electronic control units (ECU) controlling everything from brakes, transmission, engine, A/C, steering, cameras, radar, acoustic sensors to the non-cellular and cellular wireless communications.

ECUs talk to each other via car buses, including controller area network (CAN), media oriented systems transport (MOST), local interconnect network (LIN) and FlexRay.

Automotive OEMs and Tier 1s are moving away from mixing so many different bus types to something more uniform, enabling higher data throughput, lower latency and less weight in order to reduce complexibility and increase cost-efficiency.

Rohde & Schwarz offers state-of-the-art testing solutions:

  • Trigger and decode capability for CAN, CAN-FD, LIN, FlexRay, CXPI and SENT
  • Compliance tests for automotive Ethernet (100BASE-T1, 1000BASE-T1, 2.5GBASE-T1)
  • EMI debugging capability

For more detailed information, see our brochure "Driving tomorrow's mobility".

Automotive Ethernet and other bus systems solutions

Our experts

Dr. Ernst Flemming

Automotive Ethernet is now widely introduced in cars. In the OPEN Alliance, the industry has defined specific compliance tests. We offer a complete compliance test solution for 100BASE-T1 and 1000BASE-T1 that is widely accepted by OEMs, Tier 1s and test houses. With the new triggering and decoding solution for 100BASE-T1, automotive Ethernet can now be debugged the same way as the traditional CAN bus.

Dr. Ernst Flemming, Product Manager Oscilloscopes, Rohde & Schwarz

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