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:
Jan. 19, 2016

Filed:

Apr. 09, 2013
Applicant:

Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;

Inventors:

Shinichi Sawada, Osaka, JP;

Katsutoshi Ishikura, Osaka, JP;

Shigeto Suzuki, Osaka, JP;

Yuhsuke Takagi, Osaka, JP;

Shumpei Fuse, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 48/18 (2009.01); H04W 48/16 (2009.01); H04W 48/20 (2009.01); H04W 76/02 (2009.01);
U.S. Cl.
CPC ...
H04W 48/16 (2013.01); H04W 48/20 (2013.01); H04W 76/02 (2013.01);
Abstract

A wireless communication system includes a first base station device, a second base station device, and a mobile station device configured to communicate with the first and second base station devices. The first base station device includes a request notifying unit configured to notify the mobile station device of a request for carrier aggregation. The mobile station device includes: a cell search unit configured to, upon receiving the request, perform cell search and thereby search the second base station device available for carrier aggregation; and a base station notifying unit configured to notify the first base station device of information indicating the second base station device detected by the cell search unit performing the cell search.


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