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:
Nov. 12, 2013
Filed:
Jul. 27, 2004
Applicants:
Junbiao Zhang, Bridgewater, NJ (US);
Saurabh Mathur, Plainsboro, NJ (US);
Inventors:
Junbiao Zhang, Bridgewater, NJ (US);
Saurabh Mathur, Plainsboro, NJ (US);
Assignee:
Thomson Licensing, Boulogne-Billancourt, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key synchronization mechanism for wireless LANs is provided where the access point (AP) does not start using a new encryption key until the first data frame correctly encrypted with the new key is received from the station (STA). The new key is used from this point on, until the expiration of a key refresh interval.