June 10, 2020 — The Federal Communications Commission’s proposal of redistributing spectrum on the 5.9 GigaHertz (GHz) band drew criticism from auto industry experts on a Federal Communications Bar Associations webinar Tuesday.
The agency proposed repurposing the lower 45 megahertz of the band for unlicensed operations to support broadband applications.
If enacted, the new rule would take a second look at spectrum allocation on the 5.9 GHz band and propose appropriate changes to ensure the spectrum is employed to its best use.
The 5.9 GHz band (5.850-5.925 GHz) has been reserved for use by dedicated short-range communications for the past two decades, which is a service of Intelligent Transportation Systems designed to enable vehicle-related communications. Unfortunately, DSRC technology has evolved slowly and has not been widely deployed.
Under the newly proposed rule, the FCC would continue to dedicate spectrum in the upper 30 megahertz of the 5.9 GHz band to meet current and future transportation and vehicle safety needs, while repurposing the lower 45 megahertz of the band for unlicensed operations, such as Wi-Fi.
Since the initial deployment of DSRC technology, C-V2X technology was created, allowing vehicles to communicate with each other, as well as infrastructure, bikers and pedestrians.
According to Matthew Hardy, program director for planning and policy for AASHTO, C-V2X technology far surpasses the capabilities presented by DSRC. Hardy argued the technology is crucial because it can prevent life-threatening crashes from occurring.
Sean Conway, a partner at Wilkinson Barker Knauer, LLP, contended that retaining all 75 MGHz is necessary for innovation, as 25 MGHz in the upper band would be utilized by 4G C-V2X, while another 50 MGHz in the lower band would be necessary to advance 5G C-V2X.
Angel Preston, director of safety at the Alliance for Automotive Innovation, argued that the actions proposed by the FCC could hinder global competitiveness, as the U.S. is decreasing C-V2X technology deployment while other countries are increasing construction.
Preston cited that 13 Chinese automotive makers committed to utilizing C-V2X technology in their models in coming years.
Opposition to the automotive experts was raised by Danielle Pineres, vice president of the Internet & Television Association, who argued that no more than 40 MGHz should be reserved for automotive safety, alluding to the fact that the 5.9 GHz band has been relatively unutilized for more than 20 years.
FCC inaction on the matter continues to stifle the progression of both broadband deployment and the automobile industry.
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