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METHOD FOR CALIBRATING AN ONBOARD UNIT, SYSTEM, AND ONBOARD UNIT THEREFOR

  • US 20180091184A1
  • Filed: 09/12/2017
  • Published: 03/29/2018
  • Est. Priority Date: 09/29/2016
  • Status: Active Grant
First Claim
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1. A method for calibrating an onboard unit of a vehicle identification system, the method comprising:

  • emitting at least one polling message from a first radio beacon;

    in the first radio beacon, determining a link margin of a communication with a first onboard unit by evaluating a response message of the first onboard unit to the at least one polling message; and

    sending a configuration message from the first radio beacon or a second radio beacon to the first onboard unit or to a second onboard unit with a same characteristic as the first onboard unit to adjust a receive sensitivity or a transmit power of the first or the second onboard unit, respectively, to a level derived from the determined link margin.

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