US industry body agrees on frequency spectrum for V2X

May 12, 2020 // By Christoph Hammerschmidt
US industry body agrees on frequency spectrum for V2X
On April 28, the Alliance for Automotive Innovation announced a consensus on how the 5.9 GHz Safety Spectrum band will be used by the two V2X competing technologies – C-V2X and DSRC. The proposal was included in a regulatory filing with the Federal Communication Commission (FCC) as well as in a letter to U.S. Transportation Secretary Elaine Chao. However, the consensus cannot be regarded as a commitment to a single radio standard for V2X services.

The Alliance for Automotive Innovation, which includes all major manufacturers and suppliers in the US, responsible for 99% of the light vehicles sold in America, has also committed to deploy at least 5 million V2X radios on vehicles and roadway infrastructure within the next five years. In the first five years of the plan, industry players will be able to choose either DSRC or C-V2X technology. After five years, a single technology will be selected and permitted to use the 5.9 GHz band going forward. This will also initiate a ten-year phase-out period, during which the technology that does not prevail will be phased out of the market.

V2X technology provider Autotalks is using the opportunity to express its belief that dual mode V2X chipsets can enable the US automotive industry to immediately start large-scale V2X deployment. With Autotalks’ chipset that supports both Dedicated Short-Range Communication (DSRC) and Cellular V2X (C-V2X), OEMs do not need to bet on which technology will prevail. According to Autotalks, this will allow carmakers to focus on bringing enhanced safety to the roads with V2X. While the company however regards the consensus as a step in the right direction, a lack of a uniform industry standard is likely to slow down deployment as auto companies will be concerned with making massive investments in a technology that might not be selected.

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