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. 06, 2026
Filed:
Jun. 09, 2021
Applicant:
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Inventors:
Assignee:
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/06 (2021.01); H04L 9/14 (2006.01); H04L 9/32 (2006.01); H04W 12/03 (2021.01); H04W 12/02 (2009.01); H04W 12/50 (2021.01);
U.S. Cl.
CPC ...
H04L 9/14 (2013.01); H04L 9/3247 (2013.01);
Abstract
There is provided a method performed by a first wireless device that is roaming in a visited network. The method comprises measuring () an amount of data transmitted and/or received by the first wireless device in a first session with the visited network; using () a private key to generate a signature for a data usage record that comprises the data measurement, wherein a public key corresponding to the private key is associated, by a home network of the first wireless device, with the first wireless device; and sending () the data usage record to the visited network.