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. 26, 2019

Filed:

Sep. 13, 2016
Applicant:

Ntt Docomo, Inc., Chiyoda-ku, JP;

Inventors:

Takuya Shimojou, Chiyoda-ku, JP;

Masayoshi Shimizu, Chiyoda-ku, JP;

Motoshi Tamura, Chiyoda-ku, JP;

Ashiq Khan, Chiyoda-ku, JP;

Srisakul Thakolsri, Munich, DE;

Malla Reddy Sama, Munich, DE;

Wolfgang Kiess, Munich, DE;

Sergio Beker, Munich, DE;

Assignee:

NTT DOCOMO, INC., Chiyoda-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04W 48/18 (2009.01); H04W 40/02 (2009.01);
U.S. Cl.
CPC ...
H04W 48/18 (2013.01); H04W 40/02 (2013.01);
Abstract

In a communications system (A), a communication service which is utilized by UE () is specified from among a first communication service and a second communication service, an address of a SGW () corresponding to a service type of the first communication service is retrieved when the specified communication service is the first communication service with reference to information in which the specified communication service and the address of the SGW () that transmits and receives data for utilizing the communication service are correlated with each other, and a SGW () other than a first communication control device is retrieved when the specified communication service is the second communication service.


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