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.

Date of Patent:
May. 28, 2024

Filed:

Sep. 21, 2021
Applicant:

At&t Intellectual Property I, L.p., Atlanta, GA (US);

Inventors:

Yaron Koral, Cherry Hill, NJ (US);

Lauro Lins, Brooklyn, NY (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/00 (2006.01); H04W 8/24 (2009.01); H04W 36/32 (2009.01);
U.S. Cl.
CPC ...
H04W 8/24 (2013.01); H04W 36/32 (2013.01);
Abstract

The disclosed technology is directed towards detecting improbable speeds of a mobile device, which can indicate fraudulent activity with respect to the mobile device. Radio access network events and call detail records are processed to determine when a mobile device 'travel jumps' between locations at improbable speeds. Events corresponding to handovers between adjacent cells are filtered out. For events corresponding to changed cell towers that are non-adjacent, further processing is performed to determine the speed of the mobile device travel between the cells. A first speed threshold is selected based on possible air travel (a cell near an airport) or a second non-air travel speed threshold is selected. If the speed of the mobile device exceeds the selected speed threshold, a travel jump is determined. Exceptions can be made for gaps in connectivity due to topography (known inconsistent reception areas) and for a mobile device shutting down and restarting.


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