New Technical Book

The World of Automotive High Speed Communication

18. Januar 2023, 16:10 Uhr | Ingo Kuss
Fachbuch Automotive
© Hanser

The book "Automotive High Speed Communication Technologies: SerDes and Ethernet for Sensor and Display Applications" sheds light for the first time in detail on the technical fundamentals for connecting data-intensive components such as displays and cameras.

A wide range of different network technologies are available for use in cars: LIN, CAN, FlexRay or Automotive Ethernet, to name just a few. While an extensive and easily accessible knowledge base exists for most of these widely used technologies, this is not the case for very specialized applications. These include, for example, the connection of sensors (especially cameras) and displays to the central vehicle network. The high-speed links used there are often part of a closed system and rely on proprietary technologies about which little is known.

However, with the increasing importance of both displays and cameras in the vehicle, many automotive manufacturers no longer view them as largely stand-alone external modules, but as important components of the central vehicle network. Accordingly, there is a growing need to learn more about the communication technologies used there. With their book "Automotive High Speed Communication Technologies: SerDes and Ethernet for Sensor and Display Applications" (Hanser, 99.99 Euros), Kirsten Matheus and Michael Kaindl aim to bundle the relevant basic knowledge and currently available technical details and thus make them more accessible. Both authors work at BMW in the area of in-vehicle communication technology and have worked extensively on sensor and display connectivity since 2015.

After a brief historical outline of the beginnings of Automotive Ethernet and SerDes, this book of over 400 pages first deals with the special features of automotive applications whose special requirements do not permit a simple 1:1 transfer of technologies known from the consumer or IT sector. Specifically, this includes typical use cases for displays, cameras and other sensors in cars. This is followed by papers on the general environmental conditions in the vehicle, electromagnetic compatibility, the special challenges of an automotive channel and the power supply in the vehicle.

In further chapters, various automotive SerDes technologies as well as High Speed Automotive Ethernet with different data rates are presented and their technical fundamentals are described. The last two chapters deal with standards from related areas, such as camera or display protocols, as well as test procedures and processes. The authors place great emphasis on a neutral, purely technical view of the different approaches. A direct comparison of two different SerDes standards with Automotive Ethernet, for example, consists of a multi-page tabular overview with technical details of the respective standards.

This leaves it up to the reader to draw his or her own conclusions from the extensive information. Basic knowledge of communications technology is an advantage for reading the book. Thanks to its clear and systematic structure, a very detailed list of abbreviations, and easy-to-understand introductory texts for each chapter, the book also provides an introduction to the world of automotive high-speed communication for those less familiar with the subject.

By the way, the Automotive Ethernet Congress from March 21 to 23, 2023, in Munich, Germany, will also provide up-to-date information on the topic of automotive Ethernet. More information on the program and registration can be found here.

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