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. 07, 2014

Filed:

Mar. 12, 2009
Applicants:

Yoshiko Saito, Kanagawa, JP;

Ayako Horiuchi, Kanagawa, JP;

Seigo Nakao, Kanagawa, JP;

Katsuhiko Hiramatsu, Kanagawa, JP;

Yuichi Kobayakawa, California, CA (US);

Megumi Ichikawa, Kanagawa, JP;

Inventors:

Yoshiko Saito, Kanagawa, JP;

Ayako Horiuchi, Kanagawa, JP;

Seigo Nakao, Kanagawa, JP;

Kenichi Miyoshi, Kanagawa, JP;

Katsuhiko Hiramatsu, Kanagawa, JP;

Yuichi Kobayakawa, California, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are provided a communication device, a base station, a communication system, and a communication method that make it possible to yield a diversity effect by cooperative relay without involvement of disproportionateness in data received by an eNB even when one of parties has unsuccessfully exchanged data. After received an ACK signal from a repeater, a repeaterwhich has transmitted a NACK signal in proceduretransmits data Sto the eNB by use of its own resource, thereby making its own resource available for the repeater(the repeaterdoes not use its own resource, and the repeateruses the resource of the repeater). In procedures, the repeaterhas received the NACK signal from the repeaterand subsequently transmits data Sto the eNB by use of its own resource. Subsequently, the repeaterwhich has received the MACK signal in proceduredetermines that the resource of the repeateris available and transmits data Pto the eNB by use of the resource of the repeater. In procedure, the repeatertransmits previously-generated data Pto the eNB by use of its own resource.


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