US 11,887,418 B2
Device fingerprint-based access method
Dejun Yang, Golden, CO (US)
Assigned to COLORADO SCHOOL OF MINES, Golden, CO (US)
Filed by COLORADO SCHOOL OF MINES, Golden, CO (US)
Filed on Oct. 11, 2021, as Appl. No. 17/498,435.
Claims priority of provisional application 63/091,738, filed on Oct. 14, 2020.
Prior Publication US 2022/0114849 A1, Apr. 14, 2022
Int. Cl. G07C 9/00 (2020.01); G07C 9/20 (2020.01)
CPC G07C 9/00309 (2013.01) [G07C 9/20 (2020.01); G07C 2009/00555 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for controlling access to an access-controlled area comprising:
receiving a wireless signal generated and transmitted by a user device;
extracting, with a processing element, features of the wireless signal, wherein the features are based on one or more manufacturing variations of one or more components of the user device;
generating, with the processing element, a device fingerprint based on a pattern of the extracted features;
storing the device fingerprint; and
pairing the user device to the access-controlled area.