Search
Skip to Search Results- 3Spectrum sensing
- 1Cognitive radio
- 1Cognitive radio networks
- 1Energy detection
- 1Improved Energy Detector (IED)
- 1Resource allocation
-
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...
-
Fall 2012
Cognitive radio is an emerging spectrum-agile technology to alleviate the upcoming spectrum shortage problem. In a cognitive radio network, unlicensed users (secondary users) can access the licensed spectrum if there is no transmission/reception activity of licensed users (primary users) in an...
-
2014-02-17
Spectrum sensing (detection of spectrum holes) in cognitive radios (CRs) has been a promising technique to alleviate the problem of radio frequency (RF) spectrum scarcity. Among several available techniques to detect the availability of spectrum holes, the energy detector (ED) has been one of the...