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. 03, 2018

Filed:

Dec. 22, 2014
Applicant:

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

Inventors:

Karthikeyan Balasubramanian, Bangalore, IN;

V. S.Vinodh Kumar, Bangalore, IN;

Ashvin Lingam, Bangalore, IN;

Mubeesh Ali V. M., Palakkad, IN;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04W 12/04 (2009.01); H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
H04W 12/04 (2013.01); H04L 63/065 (2013.01); H04L 63/104 (2013.01); H04W 36/0038 (2013.01);
Abstract

A client device is authenticated in a wireless local area network using a pairwise master key when the client device associates to a first access point. A set of neighbor devices to the client device is generated. The set includes less than a total number of access points in the wireless local area network. The pairwise master key is distributed to the neighbor devices such that the pairwise master key is not distributed to access points outside of the set of neighbor devices. Data representing the set of neighbor devices for the client device is maintained.


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Balasubramanian, Karthikeyan. (2018). Predictive pairwise master key caching (U.S. Patent No. 9936380). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9936380

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