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

1000BASE-T1 Automotive Ethernet compliance testing

Sign up for our new automotive ethernet webinar.

Automotive Ethernet Webinar: 1000BASE-T1 Automotive Ethernet compliance testing

Our experts

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Dr. Nik Dimitrakopoulos, Automotive Ethernet & Infotainment

Modern cars typically have more than 100 electronic control units (ECU) connected via different in-vehicle bus networks. These buses are used to exchange information and coordinate control. Autonomous driving technology creates a demand for much higher data rate traffic within in-vehicle communication systems. Today, we are talking about 100/1000BASE-T1. Tomorrow, it will be multi-gig speeds. To verify the functionality and quality of these data streams, automotive engineers need to be able to search for specific signals, trigger, decode, measure crosstalk and perform compliance testing.

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

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.

Events

  • IEEE STANDARDS ASSOCIATION

    Save the Date: December 13, 2018

    Munich, Germany

    Take part at the IEEE Automotive one-day event and get an insight on the future of in-vehicle networks with Automotive Ethernet. presented by Rohde & Schwarz.

    More information

  • Automotive Ethernet Congress

    Save the Date: February 13-14, 2019

    Munich, Germany

    Join the Automotive Congress and the Rohde & Schwarz presentation. Our experts are introducing the 1000BASE-T1 PHY compliance testing.

    More information

Application videos - Engineer's talk; Ethernet and beyond

  • 1000BASE-T1 Compliance Testing Test Mode 2

    1000BASE-T1 compliance testing

    Test mode 2: MDI jitter and clock frequency

    More details

  • 1000BASE-T1 Compliance Testing Test Mode 4: Transmitter Distortion Test with Disturber

    1000BASE-T1 compliance testing

    Test mode 4: Transmitter distortion test with disturber

    More details

  • 1000BASE-T1 Compliance Testing Test Mode 2

    1000BASE-T1 compliance testing

    Test mode 5: Transmitter power spectral densityy (PSD), power level and peak differential output

    More details

  • 1000BASE-T1 Compliance Testing Test Mode 6: Maximum output droop

    1000BASE-T1 compliance testing

    Test mode 6: Maximum output droop

    More details

  • 100BASE-T1 Compliance Testing - MDI return loss

    100BASE-T1 compliance testing

    MDI return loss

    More details

  • Decoding Automotive Ethernet and CAN using R&S scopes

    Decoding Automotive Ethernet and CAN using R&S scopes

    Decoding from CAN to automotive ethernet

    More details

  • Decoding for 100BASE-T1 Automotive Ethernet

    Powerful 100BASE-T1 decoding

    Decoding for 100BASE-T1 automotive ethernet

    More details

  • Triggering for 100BASE-T1 Automotive Ethernet

    Powerful 100BASE-T1 triggering

    Triggering for 100BASE-T1 automotive ethernet

    More details

  • Triggering & decoding 100Base-T1 BroadR-Reach Ethernet

    Triggering & decoding 100Base-T1 BroadR-Reach Ethernet

    Triggering & decoding real-world OABR automotive Ethernet with an oscilloscope

    More details

Further information

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