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Fall 2013
Cognitive radio is one of the most promising technologies to address the spectrum scarcity problem. Cognitive radio requires spectrum sensing, which is used by unlicensed users to opportunistically access the licensed spectrum. Spectrum sensing using energy detection offers low-cost and...
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2015-01-23
The widespread adoption of wireless technologies is leading to an ever increasing demand for the Radio Frequency (RF) spectrum that supports mobile communication. A Cognitive Radio (CR) can increase the amount of a radio frequency spectrum that is usefully employed by authorizing unlicensed users...
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2014-02-17
Cognitive radio (CR) is a technology that can alleviate the problem of radio frequency (RF) spectrum scarcity by opportunistically accessing the unused RF slots called spectrum holes. The detection of spectrum holes, called spectrum sensing, is the foremost task for utilization of the unused RF...