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:
Sep. 09, 2014

Filed:

Jul. 12, 2010
Applicants:

Yohannes Alemseged Demessie, Tokyo, JP;

Ha Nguyen Tran, Tokyo, JP;

Chen Sun, Tokyo, JP;

Hiroshi Harada, Tokyo, JP;

Inventors:

Yohannes Alemseged Demessie, Tokyo, JP;

Ha Nguyen Tran, Tokyo, JP;

Chen Sun, Tokyo, JP;

Hiroshi Harada, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01); H04B 17/00 (2006.01); H04W 16/14 (2009.01);
U.S. Cl.
CPC ...
H04W 16/14 (2013.01);
Abstract

In a cognitive radio communication device, before a communication link for the cognitive radio communication is established, a control channel which is a common channel which can be used by a plurality of cognitive radio communication devices is detected. By exchanging sensing information and sensing control information among the plurality of radio communication devices using the detected common channel, the information is shared. The plurality of cognitive radio communication devices share the sensing information and the sensing control information, and use the information for determining a channel used for spectrum monitoring and data communication, and the like.


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