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:
Oct. 01, 2024
Filed:
May. 07, 2021
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Archanaa Santhana Krishnan, Worcester, MA (US);
Alexis Justine Burnight, Dallas, TX (US);
Ariton E. Xhafa, Plano, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/04 (2021.01); H04W 12/041 (2021.01); H04W 12/0471 (2021.01);
U.S. Cl.
CPC ...
H04W 12/041 (2021.01); H04W 12/0471 (2021.01);
Abstract
A wireless interface includes: network formation circuitry configured to establish a wireless network between a primary node and a secondary node; data exchange circuitry configured to perform data exchanges between the primary node and the secondary node using secure sessions; and key refreshment circuitry configured to derive a new network key for the network based on a pre-shared key and a current network key concatenated with a session count. The new key is derived during at least one of the secure sessions.