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:
Apr. 28, 2020
Filed:
Sep. 24, 2019
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 60/06 (2009.01); H04W 60/00 (2009.01);
U.S. Cl.
CPC ...
H04W 60/06 (2013.01); H04W 60/005 (2013.01);
Abstract
A deregistration method of user equipment in a network and user equipment performing the same is disclosed. The user equipment determines whether the user equipment is in a connection management (CM)_CONNECTED state in a non-3GPP access network and initiates a deregistration procedure through the non-3GPP access network if the user equipment is in the CM_CONNECTED state in the non-3GPP access network.