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Skip to Search Results- 4Cognitive radio
- 3Spectrum sensing
- 1Cell range expansion (CRE)
- 1Cognitive cellular networks
- 1Cognitive radio networks
- 1Diversity gain
- 1Atapattu, Saman U. B.
- 1Banjade, Vesh Raj Sharma (Supervisor)
- 1Dhungana, Yamuna
- 1Fan, Rongfei
- 1Heidarpour, Ali Reza
- 1Jayachandran, Prakash
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Fall 2013
In underlay Cognitive Radio (CR) systems, secondary users may transmit while primary transmissions take place. However, the interference aggregates on the primary system, and performance degradation will occur. Thus, quantifying and modeling of the aggregate interference is important in...
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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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Spring 2016
The unprecedented escalation in the data traffic demand due to rapid proliferation of smart phones and tablets cannot be fulfilled with the advancement in radio link technologies only as the radio link efficiency is fast approaching its limit. This problem motivates new paradigms of network...
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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...
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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...