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:
Jan. 28, 2025

Filed:

Feb. 13, 2020
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Juan Xu, Shanghai, CN;

Yong Yang, Kållered, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); H04W 76/10 (2018.01); H04W 76/30 (2018.01);
U.S. Cl.
CPC ...
H04W 76/30 (2018.02); H04W 76/10 (2018.02);
Abstract

Embodiments of a method performed in a User Plane Entity (UPE) in a core network to perform a user plane initiated Packet Forwarding Control Protocol (PFCP) association release procedure are provided. In some embodiments, the method comprises, for each affected PFCP session, sending, to a Control Plane Entity (CPE), a PFCP session report request comprising an indicator that the PFCP session is being removed and one or more usage reports for the PFCP session, and deleting the PFCP session. The method further comprises sending, to the CPE, a PFCP association update request comprising information that indicates that the PFCP association update request is to initiate release of the PFCP association and an indicator that all non-zero usage reports for the affected PFCP session(s) have been reported. The method further comprises receiving, from the CPE, a PFCP association release request and sending, to the CPE, a PFCP association release response.


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