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:
Jun. 10, 2025

Filed:

Aug. 30, 2021
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Archanaa Santhana Krishnan, Blacksburg, VA (US);

Alexis Justine Burnight, Dallas, TX (US);

Ariton E. Xhafa, Plano, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/041 (2021.01); B60L 53/66 (2019.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04W 12/041 (2021.01); B60L 53/66 (2019.02); H04L 5/0055 (2013.01);
Abstract

A method for key refreshment in a wireless network system using a salt. The method includes receiving, from each of a plurality of secondary nodes communicably coupled to a primary node, a current session number. The current session numbers are compared to a session number at the primary node to identify a mismatch, and a salt is generated responsive to identifying the mismatch. The method further includes sending the salt to each of the plurality of secondary nodes having a current session number matching the session number at the primary node.


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