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.

Date of Patent:
Feb. 03, 2026

Filed:

Mar. 05, 2021
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventor:

Hiroaki Takano, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 65/1069 (2022.01); H04W 28/02 (2009.01); H04W 76/10 (2018.01);
U.S. Cl.
CPC ...
H04L 65/1069 (2013.01); H04W 28/0268 (2013.01); H04W 76/10 (2018.02);
Abstract

An application function node () includes a control unit (). The control unit () acquires session information regarding a PDU session from a UDM node (), determines, from a plurality of the PDU sessions, a first PDU session for maintaining communication and a second PDU session for stopping communication based on the session information, and requests to stop communication in the determined second PDU session.


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