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:
Nov. 11, 2025

Filed:

Mar. 23, 2021
Applicant:

Lg Electronics Inc, Seoul, KR;

Inventors:

Seokjung Kim, Seoul, KR;

Myungjune Youn, Seoul, KR;

Jian Xu, Seoul, KR;

Daewook Byun, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 36/14 (2009.01); H04W 36/38 (2009.01); H04W 60/04 (2009.01); H04W 72/56 (2023.01);
U.S. Cl.
CPC ...
H04W 36/0066 (2013.01); H04W 36/0022 (2013.01); H04W 36/00698 (2023.05); H04W 36/1443 (2023.05); H04W 36/38 (2013.01); H04W 60/04 (2013.01); H04W 72/56 (2023.01);
Abstract

Provided is a method and device for an N14 interface support indicator for service continuity. A next generation radio access network (NG-RAN) node of a first network receives an initial UE context configuration request message from an access and mobility management function (AMF) of the first network. The initial UE context configuration request message includes (i) a registration acceptance message that is a response to a registration request message, and (ii) information on at least one second network supported by the first network, and the registration acceptance message includes information on whether an N14 interface between the AMF of the first network and an AMF of the at least one second network is supported. The NG-RAN node of the first network initiates handover to one network among the at least one second network, based on the information on the at least one second network.


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