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. 29, 2023

Filed:

Aug. 16, 2021
Applicant:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Inventors:

Lalith Kumar, Bangalore, IN;

Danish Ehsan Hashmi, Bangalore, IN;

Kailash Kumar Jha, Bangalore, IN;

Alok Kumar Jangid, Bangalore, IN;

Govind Irappa Uttur, Bangalore, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 88/06 (2009.01); H04W 36/00 (2009.01); H04W 36/14 (2009.01); H04W 48/18 (2009.01); H04W 60/00 (2009.01);
U.S. Cl.
CPC ...
H04W 88/06 (2013.01); H04W 36/0022 (2013.01); H04W 36/14 (2013.01); H04W 48/18 (2013.01); H04W 60/005 (2013.01);
Abstract

Embodiments herein provide a method for maintaining service continuity by a User Equipment (UE) in a wireless communication system. The method includes transmitting a registration request message or a tracking area update (TAU) message to a management entity of a first radio access technology (RAT) network, when the UE is registered in the first RAT network and a second RAT network; receiving, from the management entity, a registration reject message or a TAU reject message; and transmitting, to the management entity, a registration message for initial registration or an attach request message including a registration status information of the UE of the second RAT network.


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