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:
May. 13, 2014
Filed:
Jul. 21, 2010
Spectrum sensor for cognitive wireless communication and method for cognitive wireless communication
Yohannes Alemseged Demessie, Tokyo, JP;
Chen Sun, Tokyo, JP;
Ha Nguyen Tran, Tokyo, JP;
Hiroshi Harada, Tokyo, JP;
Yohannes Alemseged Demessie, Tokyo, JP;
Chen Sun, Tokyo, JP;
Ha Nguyen Tran, Tokyo, JP;
Hiroshi Harada, Tokyo, JP;
Abstract
Provided is a spectrum sensor for cognitive wireless communication whereby it is possible to improve communication efficiency. In a cognitive wireless communication system, a spectrum sensor senses spectra in multiple frequency bands. A spectrum sensor is configured to be able to operate in one operation mode selected from among a spectrum sensing mode for sensing spectra, and a communication mode for communicating with a wireless communication device. Further, the spectrum sensor is provided with a controller for controlling the operation mode. The controller switches between the above-mentioned operation modes during the symbol period of an ultra-wideband physical layer (UWB PHY).
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