The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 2020
Filed:
May. 23, 2019
Applicant:
Exfo Oy, Oulu, FI;
Inventors:
Assignee:
EXFO OY, Oulu, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/06 (2009.01); H04W 12/00 (2009.01); H04W 8/20 (2009.01);
U.S. Cl.
CPC ...
H04W 12/0602 (2019.01); H04W 8/20 (2013.01); H04W 12/001 (2019.01); H04W 12/004 (2019.01); H04W 12/00514 (2019.01);
Abstract
Method and arrangement for detecting subscriber identity. The method includes: capturing in a fake base station at least one wireless message transmitted from a mobile subscriber apparatus interoperable with a mobile phone system; detecting an encrypted subscriber identity from the at least one captured wireless message; and retrieving an unencrypted subscriber identity from an entity inside an infrastructure of the mobile phone system based on the encrypted subscriber identity.