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:
Apr. 01, 2025

Filed:

Jul. 17, 2023
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Lele Zhang, Shanghai, CN;

Yajun Xia, Shanghai, CN;

Chuanwei Li, Shanghai, CN;

Li Zhao, Shanghai, CN;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/122 (2021.01); G16Y 30/10 (2020.01); H04L 9/40 (2022.01); H04L 43/0829 (2022.01); H04L 43/16 (2022.01); H04W 4/70 (2018.01); H04W 24/08 (2009.01); H04W 64/00 (2009.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 12/122 (2021.01); G16Y 30/10 (2020.01); H04L 43/0829 (2013.01); H04L 43/16 (2013.01); H04L 63/1416 (2013.01); H04W 4/70 (2018.02); H04W 24/08 (2013.01); H04W 64/00 (2013.01); H04L 2463/143 (2013.01); H04W 84/18 (2013.01);
Abstract

A method includes determining a number of drops of a plurality of messages sent to a first node of a plurality of nodes within a mesh network. Based at least in part on the number of drops of the plurality of messages exceeding a threshold number of drops for a time period, decrementing a first rating assigned to the first node to a second rating assigned to the first node. Based at least in part on the second rating being below a rating threshold, determining that the first node is a potentially malicious node. Based at least in part on a first distance to the first node being larger than a distance threshold, identifying that the first node is a malicious node. The method may further include ending communications with the first node.


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