Monday, 3 February 2014

Car wireless communications In US


The government believes vehicle-to-vehicle information links can facilitate improve driver safety, and can push for legislation requiring it in "a future year."

The U.S. can work to change wireless communication links between cars, technology it expects can scale back accidents and, eventually, decrease fuel consumption and speed travel.
The National main road Transportation Safety Administration aforesaid weekday it's finalizing a report on the topic supported a three,000-vehicle study of vehicle-to-vehicle communications that began in Ann Arbor, Mich., in 2012. That report ought to be discharged within the returning weeks -- then the Department of Transportation's push for exploitation V2V technology in cars and light-weight trucks can get serious.
"NHTSA can then begin engaged on a regulative proposal that may need V2V devices in new vehicles during a future year," the agency aforesaid. "DOT believes that the signal this announcement sends to the market can considerably enhance development of this technology and pave the manner for penetration of V2V safety applications."

V2V communications use a variation of the 802.11 wireless network commonplace utilized by laptops and mobile phones, however instead link cars, which might share position and speed info with one another ten times per second. that may let one automotive dependably notice once another before is braking laborious, for instance.

V2V technology at first can assist drivers, however NHTSA is considering linking it to "active safety technologies that admit on-board sensors." that might let a automotive brake or steer to avoid a collision while not driver involvement.
DOT V2V device

The DOT can check drive acceptance of car to vehicle warning technologies in six cities this year.
A connected technology, V2I, links vehicles to infrastructure like traffic signals. That ultimately might be wont to facilitate coordinate traffic flow higher.
Neither V2V nor V2I technology is needed for self-driving cars, however each would facilitate by giving a automotive specific information concerning its surroundings.

One difficult a part of V2V and V2I communications is that another branch of the U.S., the Federal Communications Commission, is considering whether or not to unharness some radio-frequency spectrum for general use that is presently dedicated just for conveyance communications.

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