Vehicles That Talk to Each Other Know What Lanes They're In

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Vehicles with GPS receivers communicating with each other can increase the positioning accuracy to a level that enables them to determine what lane theyre in. Credit: Thanh-Son Dao et al. 2007 IEEE.
Vehicles with GPS receivers communicating with each other can increase the positioning accuracy to a level that enables them to determine what lane they’re in. Credit: Thanh-Son Dao, et al. ©2007 IEEE.

A standard GPS receiver has an average 2D-positioning accuracy of about 13 meters. While this precision is high enough to direct you to your hotel, it’s quite a bit lower than the accuracy required to determine which lane your car is in while driving down the highway.


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