Patent ID: 11951944
Assignee: DENSO INTERNATIONAL AMERICA, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 0:
1. A system comprising:
a communication gateway in a vehicle configured to establish a Bluetooth low energy (BLE) communication connection with a portable device;
a plurality of sensors in communication with the communication gateway, each configured to receive connection information about the BLE communication connection from the communication gateway, to eavesdrop on the BLE communication connection based on the connection information, and to measure signal information about at least one communication signal sent from the portable device to the communication gateway;
a localization module configured to receive the signal information from each of the plurality of sensors and to determine a location of the portable device based on the signal information from the plurality of sensors; and
a passive entry/passive start (PEPS) system configured to receive the location of the portable device from the localization module and to perform a vehicle function including at least one of unlocking a door of the vehicle, unlocking a trunk of the vehicle, and allowing the vehicle to be started based on the location of the portable device;
wherein the signal information includes a phase angle of the at least one communication signal sent from the portable device to the communication gateway.