Babylonian confusion in the V2X space?: Page 2 of 5

October 31, 2019 //By Christoph Hammerschmidt
Babylonian confusion in the V2X space?
With the new Golf VIII from Volkswagen, which was presented recently, for the first time a high-volume vehicle is entering the mass market that can communicate with other vehicles via V2X. The market for automated communication between vehicles is thus gaining considerable momentum. However, Volkswagen's communication technology is not compatible with that of other manufacturers. Is there a threat of Babylonian language confusion on the road?

The majority of the automotive industry now relies on competing standards, mainly the C-V2X technology. Developed by the 5G Automotive Association (5GAA), C-V2X is intended to supplement the direct radio connection between vehicles with a mobile radio connection. This would make it possible to significantly expand the application spectrum of automated data communication - without sacrificing the advantage of mobile radio-independent communication with very low latency. The PC5 Sidelink specification allows C-V2X vehicles to exchange data directly with each other. The problem: the C-V2X standard is a moving target, release statuses are being replaced at a rapid pace. There are also regional differences. For example, the Chinese government has already committed itself to the introduction of C-V2X, without, however, being able to specify exact dates and releases.

On the European automotive market, there are already series production models that master vehicle-to-x communication, even though none of them has a market share even close to that of the Volkswagen Golf. Daimler has had a comparable feature for years, starting with its Mercedes E-Class and now also in other models. However, these vehicles communicate indirectly via the mobile network and even use networks as slow as 2G and 3G. It is therefore rather a connection to the cloud; the transmission of really time-critical messages should not be possible. Industry insiders currently describe Daimler's approach as a proprietary, non-standard solution.

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