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

Claim 2:
3. The method according to claim 1, wherein determining that the user device is positioned at the front region of the vehicle comprises:
performing a first time-of-flight check for a signal received at a first vehicle exterior antenna of the ToF antenna array;
performing a second time-of flight check for the signal received at a second vehicle exterior antenna of the ToF antenna array;
performing a third time-of-flight check for the signal received at a third vehicle exterior antenna of the ToF antenna array;
performing a fourth time-of-flight check at a plurality of vehicle interior antennae of the ToF antenna array; and
determining that the user device is localized at a 0° position with respect to a front portion of the vehicle using the first time-of-flight check, a second time-of-flight check, the third time-of-flight check, and the fourth time-of-flight check.