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Passive Entry Systems Employing Time of Flight Distance Measurements

  • US 20180007507A1
  • Filed: 07/01/2016
  • Published: 01/04/2018
  • Est. Priority Date: 07/01/2016
  • Status: Active Grant
First Claim
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1. A passive entry method comprising:

  • assessing at each satellite of a base station a signal quality of a test signal received by the satellite from a remote control;

    selecting by a controller of the base station the satellites having a higher signal quality than the remaining satellites; and

    conducting time of flight (ToF) distance measurements with the remote control using the selected satellites.

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