The invention relates to a system for hands-free access (1) to a vehicle (2), comprising: —a hands-free access device (20) configured to: —transmit a location frame (2a) comprising a modulated signal (20a) and a pure carrier signal (21a); —receive a measurement of the received signal strength of a primary received signal (RSSI1) performed on said pure carrier signal (21a) by a hands-free identifier (10); —receive information (1a) on the absence or presence of noise (22a) in said location frame (2a); —depending on said measurement of the received signal strength of a primary received signal (RSSI1) and on said information (1a) on the absence or presence of noise (22a), authorize or prevent access to said vehicle (2); —a hands-free identifier (10) configured to: —receive said location frame (2a); —perform a measurement of the received signal strength of a primary received signal (RSSI1) on said pure carrier signal (21a); —send said hands-free access device (20) said measurement of the received signal strength of a primary received signal (RSSI1); —check the presence of noise (22a) in said location frame (2a); —send the hands-free access device (20) information (1a) on the absence or presence of noise (22a) in said location frame (2a).
SYSTEM FOR HANDS-FREE ACCESS TO A VEHICLE
2022-08-18
Patent
Elektronische Ressource
Englisch