Patent ID: 8903602

Claim:
A method comprising: measuring, by a tire pressure monitoring system wheel unit, a rotational period over a number of revolutions of a wheel mounting the wheel unit; calculating, by the wheel unit, a value of a period for the number of revolutions; wirelessly transmitting, by the wheel unit, the calculated value of the period for the number of revolutions to a tire pressure monitoring system receiver in a vehicle mounting the wheel; monitoring, by a central vehicle electronic control unit, wheel speed signals for each wheel of the vehicle; calculating, by the central vehicle electronic control unit, a period for the wheel speed signal for each wheel of the vehicle, bounded by a rolling window; comparing the calculated value of the period for the number of revolutions transmitted by the wheel unit to each of the calculated period for the wheel speed signals; and correlating the wheel unit and a wheel location from which the period for the wheel speed signals was calculated which most closely matches the transmitted calculated value of the period for the number of revolutions to locate each wheel unit to a specific wheel location on the vehicle.