Murata integrates Autotalks‘ V2X technology into its own modules

Murata integrates Autotalks‘ V2X technology into its own modules

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By Christoph Hammerschmidt

Through a cooperation with technology company Autotalks, the Japanese component manufacturer Murata will integrate V2X technology into its product portfolio. V2X (Vehicle-to-X) is a process by which vehicles automatically exchange safety-relevant information with each other and with the road infrastructure.

Autotalks is a fabless semiconductor manufacturer with a technological focus on V2X solutions. Murata now wants to incorporate these technologies into its own communication modules. Specifically, the company wants to integrate Autotalks’ technology into its 2AN wireless modules. This applies to environments without a host – if such an integrated host is available, Murata offers the 2AN’s 1YL module. Both these automotive-grade units are based on Autotalks’ Craton2 and Secton V2X chipsets. These modules are said to be highly robust – thereby ensuring ongoing reliability, even in challenging operating conditions. The Murata modules are able to support V2X software stacks from numerous different vendors.

What differentiates the Murata modules using the Autotalks’ chipset is the fact that customers can choose which of the two V2X communication standards they want to use – DSRC or C-V2X. Consequently, they can directly address different geographic regions (Europe, Asia, North America, etc.), with the same module, through simple software configuration. This means that systems designs can remain the same, resulting in the associated engineering costs being significantly lower.

Example use cases for this V2X technology are

  • Early detection of unseen hazards – Here, via V2V, an Electronic Emergency Brake Light alert can notify the driver that a vehicle which is not visible to them at that stage (but will affect them) is applying its brakes.
  • Traffic prioritization and speed control – Through V2I, roadside infrastructure can communicate with vehicles so that their speed is optimized in harmony with traffic signaling routines. This will mean that drivers are not stuck waiting at road intersections, with better traffic flows being maintained and fuel economy optimized (thanks to less acceleration/deceleration).

Other potential use cases include accident response or updates on road conditions.

Murata’s V2X modules have already been selected for integration by a major vehicle manufacturer. Car models equipped with these modules are expected to be on the road by early 2024.

“Inclusion of our hybrid wireless technology means both DSRC and C-V2X can be supported on the same module,” says Toshifumi Oida, Director of the Communication Module Division at Murata. “In addition to offering customers a foundation for their V2X systems through this platform, our engineering team can also assist them in relation to antenna design and solution optimization.”

Design fixed versions of the Murata modules can now be sampled, with volume production starting in 2023.

Related articles:

Vodafone launches cloud-based V2X platform for connected road traffic

Autotalks V2X chipsets support 5G-V2X “Day2” scenarios

Road test show technical readiness of C-V2X technology


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