Optical data links and data bus systems are increasingly attractive in vehicles. After the succesful introduction of the D2B optical system in Mercedes cars, a next generation data bus for telematics applications, the MOST bus, was chosen not only by DaimlerChrysler but also by several other automobile manufacturers. It is expected that the data rate of 22.5 Mb/s will be enhanced in the intermediate future up to above 100 Mb/s for infotainment applications and to even higher data rates if video processing systems are installed in safety relevant driver assistance systems. In this papaer, today's and future demands on the physical data bus layer are described, the currently used technology approach based on PMMA fibers is shown, and future physical layer solutions are discussed.
Optical data bus systems in cars: current status and future challenges
2001
2 Seiten, 2 Bilder, 1 Tabelle, 6 Quellen
Conference paper
English
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