Method and devices for identifying a vehicle using a location
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United States of America Patent
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Oct 27, 2015
Grant Date -
Nov 7, 2013
app pub date -
Apr 23, 2013
filing date -
May 3, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods for identifying a vehicle using a predetermined location are provided, as well as a radio beacon and an onboard unit for use with the methods. One method comprises: carrying, on the vehicle, an onboard unit that broadcasts status messages that each indicate a current position of the onboard unit and a radio identifier that changes after each or several status messages; receiving at least one status message in a radio beacon; detecting a location usage of the vehicle by evaluating the status message(s) based on the position(s) indicated therein with respect to the predetermined location; transmitting an identification request from the radio beacon to the onboard unit addressed according to the radio identifier from the status message(s); receiving and conducting a legitimacy check of the identification request in the onboard unit and, if the request is legitimate, transmitting an identification of the onboard unit to the radio beacon.
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