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:
Jan. 10, 2023
Filed:
Jan. 09, 2019
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Kundan Tiwari, Chennai, IN;
Toshiyuki Tamura, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 76/50 (2018.01); H04L 65/1016 (2022.01); H04W 48/16 (2009.01); H04W 48/18 (2009.01); H04W 88/06 (2009.01);
U.S. Cl.
CPC ...
H04W 76/50 (2018.02); H04L 65/1016 (2013.01); H04W 48/16 (2013.01); H04W 48/18 (2013.01); H04W 88/06 (2013.01);
Abstract
This disclosure is related to a procedure to provide emergency services support for a UE which does not have a valid subscription for the serving PLMN. This disclosure more specifically provides procedure to support IMS emergency call or eCall support for a UE which is in limited state on a E-UTRA cell is connected to both EPC and 5GCN.