FCC moves to free up 5.9 GHz spectrum for gigabit Wi-Fi2019-11-21 18:08 by Daniela
Federal Communications Commission (FCC) chairman Ajit Pai proposed on Wednesday to split the 5.9 GHz band, that is currently reserved for vehicle-to-vehicle (V2V) communications so that a part of it could be available for unlicensed use.
Pai's proposal is simple: Divide 75MHz of existing bandwidth into two or three parts, with the upper 20MHz going to C-V2X, the lower 45MHz to unlicensed uses such as Wi-Fi, and the remaining 10MHz either to C-V2X or DSRC, short for dedicated short-range communications. DSRC is an obscure transportation communications technology, but also the existing user of the 5.9GHz band, despite making little progress over the past 20 years.
"We want to move on from something we've tried for a long time that wasn't working, and open the door to new and exciting opportunities," Pai said in a speech at a Washington event. "After 20 years of seeing these prime airwaves go largely unused, the time has come for the FCC to take a fresh look."
However, the U.S. Transportation Department reiterated Wednesday that the entire spectrum block is critical to future auto safety advances and should not be split. The auto industry has been developing technology to allow vehicles to exchange data about their location, speed and direction to help avoid accidents and to exchange information with infrastructure.
The FCC will hold an initial vote on the proposal Dec. 12.
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