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.
Patent No.:
Date of Patent:
Mar. 29, 2011
Filed:
Apr. 27, 2007
Tomoya Horiguchi, Inagi, JP;
Hiroshi Yoshida, Yokohama, JP;
Tazuko Tomioka, Kawasaki, JP;
Katsuya Nonin, Kawasaki, JP;
Ren Sakata, Yokohama, JP;
Tomoya Horiguchi, Inagi, JP;
Hiroshi Yoshida, Yokohama, JP;
Tazuko Tomioka, Kawasaki, JP;
Katsuya Nonin, Kawasaki, JP;
Ren Sakata, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A cognitive radio system includes: a state detecting device that scans a frequency band allocated to another radio system than the cognitive radio system to detect a first use-state of the frequency band; a first server including a first gathering unit that receives first information relating to the first use-state and a second gathering unit; a second server that stores a second use-state of the frequency band allocated to the other radio system, the second server configured to provide second information relating to the second use-state to the second gathering unit; and a notifying unit that notifies a terminal device in the cognitive radio system of information of an available channel based on the first information and the second information.