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:
Jul. 11, 2017
Filed:
Apr. 28, 2008
Dan Forsberg, Helsinki, FI;
Valtteri Niemi, Helsinki, FI;
Dan Forsberg, Helsinki, FI;
Valtteri Niemi, Helsinki, FI;
Nokia Technologies Oy, Espoo, FI;
Abstract
A method and apparatus for intersystem mobility security context handling between different radio access networks which can include a receiver configured to receive a tracking area update message from a user terminal. The message can include a first key identifier configured to identify a mapped security context and a second key identifier configured to identify a cached security context. A verifier can be configured to verify the tracking area update message with a key identified by the first or second key identifier.
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