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:
Apr. 30, 2024

Filed:

Jan. 08, 2020
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Hiroshi Ishikawa, Tokyo, JP;

Shinya Takeda, Tokyo, JP;

Maoki Hikosaka, Tokyo, JP;

Atsushi Minokuchi, Tokyo, JP;

Kenichiro Aoyagi, Tokyo, JP;

Ban Al-Bakri, Juan les Pins, FR;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 48/18 (2009.01); H04W 8/02 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 48/18 (2013.01); H04W 8/02 (2013.01); H04W 84/042 (2013.01);
Abstract

A network node is a first network node in a VPLMN (Visited Public land mobile network), the network node including a receiving unit configured to receive information relating to network selection, from a second network node in an HPLMN (Home Public land mobile network); a transmitting unit configured to transmit the information relating to network selection, to a user equipment; and a control unit configured to transmit, to the second network node, a response indicating that the user equipment was unable to receive the information relating to network selection, when a response, with respect to the information relating to network selection transmitted to the user equipment, is not received from the user equipment.


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