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. 07, 2026
Filed:
Dec. 16, 2021
Applicant:
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Inventors:
Monica Wifvesson, Lund, SE;
Zhang Fu, Stockholm, SE;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 8/00 (2009.01); H04W 12/041 (2021.01); H04W 12/0431 (2021.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 8/005 (2013.01); H04W 12/041 (2021.01); H04W 12/0431 (2021.01); H04W 84/042 (2013.01);
Abstract
A method of operating a wireless device is provided. The method comprises transmitting (), to a network function within a home network of the wireless device, a key request to obtain a discovery key for network relay discovery within a visited network in which the wireless device is roaming, receiving (), from the network function within the home network of the wireless device, a key response including the discovery key for network relay discovery within the visited network, and securing () communications with a network relay in the visited network using the discovery key.