A cognitive radio device for energy harvesting and a method for controlling thereof

The present invention relates to a cognitive radio device, and relates to a control method, if the wireless device for energy harvesting that, according to an embodiment of the present invention, obtaining electrical energy from the communication signal to a licensed device calling for energy harvesting the recognized by the control of the controller, the controller for controlling each section of the wireless device to store communication, energy receiving unit for converting the communication received signal under the control of the control unit with electric energy and the electric energy which receives and transmits information a power supply, and detects the respective frequency bands the energy distribution from the communication signal from the license device using a compressed sensing scheme, and the transmission for each frequency band by the energy distribution information to the fusion centers, the frequency band used from the fusion center but receiving the information, the frequency band use information is ever May even be provided whether for energy harvesting, characterized in that one based on one of whether the one of the frequency bands by the energy distribution information received from the wireless device determines a frequency band that is used by the license device The wireless devices .