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:
Aug. 30, 2022

Filed:

Oct. 17, 2018
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Stefan Rommer, Västra Frölunda, SE;

Jan Backman, Kärna, SE;

Qian Chen, Mölndal, SE;

Göran Hall, Mölndal, SE;

Åsa Larsen, Hisings Backa, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/14 (2009.01); H04W 8/08 (2009.01); H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
H04W 36/14 (2013.01); H04W 8/08 (2013.01); H04W 36/0022 (2013.01); H04W 36/0033 (2013.01);
Abstract

Access and Mobility Management Function, AMF, adapted for taking part in handover from a 5G system, 5GS, to an Evolved Packet System, EPS, an interface being provided between a Mobility Management Entity, MME, of the EPS and the AMF. The AMF being adapted for signalling with a Session Management Function and Packet Data Network, PDN, Gateway-Control plane, SMF and PGW-C, entity, the AMF being adapted for—providing a request (-) to the SMF and PGW-C entity to provide a Session Management, SM, Context that also includes mapped EPS, Bearer Contexts (); —wherein for PDU Sessions with PDU Session type Ethernet or Unstructured, providing () a capability of a target MME of supporting a Non-IP PDN type to the PGW-C and SMF entity in the request (-) to allow the PGW-C and SMF entity to determine whether or not to include an EPS Bearer context for non-IP PDN type; —transmitting the request (-) to the SMF.


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