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. 19, 2022

Filed:

Feb. 08, 2019
Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Akira Kamei, Tokyo, JP;

Toru Yamada, Tokyo, JP;

Kyoji Hirata, Tokyo, JP;

Masahiro Serizawa, Tokyo, JP;

Satoshi Hasegawa, Tokyo, JP;

Masashi Shimoma, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/06 (2009.01); H04L 43/16 (2022.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 4/06 (2013.01); H04L 43/16 (2013.01); H04W 84/042 (2013.01);
Abstract

A multicast control device capable of reducing the distribution time of multicast data is provided. A multicast control device () according to the present disclosure includes a determination unit () configured to determine whether the number of communication terminals joining a multicast service exceeds a predetermined threshold, and a session control unit () configured to start a multicast session for a plurality of communication terminals joining the multicast service when it is determined that the number of communication terminals joining the multicast service exceeds the predetermined threshold.


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