US Patent 11961347 Seamless access control

A method for seamless access control according to one embodiment includes determining whether a user is authorized to access a passageway controlled by an access control device based on credential data received from a mobile device of the user, determining, by a RADAR system, a location of the user relative to the passageway, determining whether the user intends to access the passageway based on the determined location of the user relative to the passageway, and controlling, by the access control device, a lock mechanism to allow the user access to the passageway in response to determining that the user is authorized to access the passageway and the user intends to access the passageway.