Friday, October 7, 2022

NTSB desires FCC to deploy security tech in remaining 5.9 GHz bandwidth

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In mid-August, the Federal Communications Commission succeeded in its long-held plan to reallocate a portion of the spectrum from car-to-car and car-to-infrastructure communication (often known as V2X) to Wi-Fi as an alternative. However, the FCC did not reassign that whole area of bandwidth—30 MHz stays put aside for “intelligent transportation systems.” And the FCC ought to grant automakers a waiver to permit them to begin deploying cellular-based V2X (C-V2X) security programs, stated the National Transportation Safety Board in a letter it despatched the FCC on Monday.

The saga of V2X is a long-running one. The FCC initially saved the spectrum round 5.9 GHz to be used with V2X in 1999, however regardless of eager curiosity from some automakers and trade teams just like the American Association of State Highway and Transportation Officials (AASHTO) and the Intelligent Transportation Society of America (ITS America), the know-how nonetheless has not been deployed.

Seeing that failure, the FCC determined in 2020 to reallocate a few of the bandwidth to Wi-Fi, leaving the frequencies between 5.895 and 5.925 GHz for V2X. ITS America and AASHTO sued the FCC to forestall this, however the US Court of Appeals for the District of Columbia dominated in favor of the FCC in August, permitting the fee to undergo with its plan.

NTSB says C-V2X is A-OK

This has dismayed the NTSB, which has written to the FCC as a part of the fee’s public remark interval because it considers a waiver requested by automakers to deploy C-V2X know-how. Conceptually, C-V2X works the identical because the older V2X—direct vehicle-to-vehicle or vehicle-to-infrastructure communication however utilizing mobile radio protocols as an alternative of the devoted short-range radio communication protocol.

The FCC ought to grant this waiver, stated the NTSB, which notes in its letter that it has beneficial that the nation undertake wireless-based collision-avoidance know-how since 1995. Connected automobile know-how would cut back the ever-escalating carnage on US roads, stated the NTSB, and the company additionally urged the FCC to make it possible for Wi-Fi units do not encroach on the remaining 30 MHz of clever transportation system frequencies.

“30 MHz is enough for basic safety features,” stated Balázs Tóth-Pintér, a communications specialist with V2X firm Commsignia, who identified that the EU has solely allotted a complete of 40 MHz for V2X. And in contrast to within the US, deployment is going on in Europe. “This year, we’ll see approximately 1 million V2X cars in Europe. The expected penetration will be in the 10 million-ish range by around 2024–2025,” he advised Ars.

Tóth-Pintér additionally famous that the court docket’s choice solely added readability to the sphere and that Commsignia has “been working on that 30 MHz since the FCC made its decision almost 2 years ago. We deliver equipment with both DSRC and C-V2X included, so changing the physical network layer is not a big issue. Now we can go full speed ahead with deployments,” he stated.



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