Cognitive Radio Spectrum Sensing
2016-08-23
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Cognitive radio (CR) technique has been proposed as a possible solution to much more efficiently utilize the spectrum
with the concept of dynamic spectrum management. The CR technique is aiming at using unoccupied spectrum, while
guaranteeing the right of privileged primary users. The unoccupied spectrum is found by spectrum sensing technique
which is a key function to decide whether the spectrum is empty or not. Therefore, the secondary users should monitor
with the concept of dynamic spectrum management. The CR technique is aiming at using unoccupied spectrum, while
guaranteeing the right of privileged primary users. The unoccupied spectrum is found by spectrum sensing technique
which is a key function to decide whether the spectrum is empty or not. Therefore, the secondary users should monitor
licensed bands, and opportunistically transmit whenever no primary signal is det
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