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:
Jan. 13, 2026
Filed:
Feb. 06, 2020
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Pontus Wallentin, Linköping, SE;
Torsten Dudda, Wassenberg, DE;
Claes-Göran Persson, Mjölby, SE;
Jens Bergqvist, Linköping, SE;
Johan Rune, Lidingö, SE;
Oscar Ohlsson, Bromma, SE;
Telefonaktiebolaget LM Ericsson (PUBL), Stockholm, SE;
Abstract
A method performed in a User Equipment, UE, for handling handover from a source access node to a target access node is provided. The UE receives () a handover command message from the source access node. The handover command message includes parameters required for deriving a security context associated with the target access node. The UE establishes () a radio connection with the target access node. When detecting () that a security context switching criterion is fulfilled, the UE stops () to use a security context associated with the source access node.