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. 14, 2016

Filed:

May. 09, 2013
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Motohiro Tanno, Yokohama, JP;

Hiroyuki Atarashi, Yokohama, JP;

Kenichi Higuchi, Yokohama, JP;

Mamoru Sawahashi, Yokohama, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/00 (2015.01); H04W 72/08 (2009.01); H04L 12/28 (2006.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 72/085 (2013.01); H04L 12/2854 (2013.01); H04W 72/0413 (2013.01);
Abstract

In a radio communication system, a downlink frequency band includes a plurality of frequency blocks including one or more carrier frequencies, and one or more frequency blocks are used for data transmission to a single user. A radio communication apparatus for use in the communication system has an evaluation unit evaluating the quality of a received signal for each frequency block and storing plurality of stored quality evaluations of the received signal, a comparison unit comparing the plural quality evaluations of the received signal, and a transmission unit transmitting a predetermined number of the quality evaluations of the received signal over an uplink control channel.


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