Patent ID: 11914064
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A method for localizing a user device using a Time-of-Flight (ToF) antenna array disposed on a vehicle, the method comprising:
determining, via a ToF localization controller, that the user device is positioned at a front region of the vehicle;
calculating a distance to the user device from a combination of two ToF antennae of the ToF antenna array;
performing a 2-dimensional (2D) trilateration calculation;
evaluating a confidence metric value;
determining a position of the user device based on the confidence metric value; and
generating an unlock signal that unlocks a vehicle door,
wherein calculating the distance to the user device comprises performing a plurality of measurements based on pairs of ToF antennae of the ToF antenna array.