Autotalks combines DSRC and C-V2X on one chipset

September 06, 2018 //By Christoph Hammerschmidt
Autotalks combines DSRC and C-V2X on one chipset
In the field of V2X technology, there is a fierce competition between standards: IEEE 802.11p against C-V2X. The problem: The systems are not compatible with each other. Now V2X technology provider Autotalks - previously one of the protagonists of the 802.11p camp - has announced the introduction of the world's first V2X solution that supports both technologies: DSRC based on 802.11p/ITS-G5 standards and C-V2X based on 3GPP specifications.

V2X communication is about to enter the mass market - several major OEMs have announced that they will equip their new vehicle models with this technology. In recent years, V2X has split into two different technologies, DSRC and C-V2X, with fundamentally different architectures, making it difficult to harmonize a single global solution.

While Autotalks believes that the trend in the USA, Europe and Japan will be towards the use of a DSRC-based V2X, C-V2X is gaining momentum in other regions. Autotalks chipsets have been designed from the ground up to meet the requirements and standards of the V2X market, giving the C-V2X option an immediate edge in meeting safety, environmental, quality, thermal and other requirements. By providing dual-mode functionality (DSRC and C-V2X) on existing AEC-Q100 Class 2 automotive chipsets, while leveraging production-ready software and maintaining the existing API, Autotalks provides a short time-to-market for a global dual-mode V2X platform. The Autotalks solution minimizes the development, testing and certification effort for a V2X system that can be deployed anywhere by software-assisted switching between V2X technologies.

The PC5 solution from Autotalks uses the globally defined 5.9 GHz ITS spectrum for V2X and is mobile network diagnostic. It requires no mobile SIM or network coverage and works without or with any 3G/4G/5G mobile modem.

The separation of V2X and the network access device (NAD) increases the efficiency of the use of telematics control units (TCU).  The separation of V2X and infotainment in the vehicle ensures that the purpose of the V2X system, to warn the driver of dangers on the road, is not impaired, Autotalks promises.


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