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:
Jun. 30, 2015

Filed:

Oct. 18, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Tetsuo Tomita, Setagaya, JP;

Masanori Hashimoto, Yokohama, JP;

Bun Kimura, Yokohama, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/38 (2009.01); H04W 36/00 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 36/38 (2013.01); H04W 36/0055 (2013.01); H04W 84/047 (2013.01);
Abstract

A wireless communication system includes a first relay station that includes a first storage and performs wireless communication with a first base station coupled to an exchange by a wire, and a mobile device that performs wireless communication with the first relay station. The first relay station receives first data with a first sequence number from the first base station, and stores the first data with a second sequence number into the first storage, the first relay station selects a first node as a handover destination, and when the first node is a second base station coupled to the exchange by a wire, the first relay station receives second data with a third sequence number from the first base station, and transmits the first data with the second sequence number and the second data with a fourth sequence number continuous to the second sequence number to the second base station.


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