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:
Sep. 22, 2026
Filed:
Nov. 29, 2023
Cisco Technology, Inc., San Jose, CA (US);
Jis Abraham, Bangalore, IN;
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method includes detecting, using a session management function (SMF) at a core network component, an N4 session failure between the SMF and a User Plane Function (UPF) at the core network component, initiating, using the SMF, a timer for establishing an N4 session between the SMF and the UPF, maintaining, using the SMF, a user equipment connected to a network in an idle state while the timer is active, attempting, using the SMF, to establish the N4 session while the timer is active, and bringing, using the SMF, the user equipment back to an active state after the N4 session is established.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile