161 search results - page 28 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
103
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JSAC
2008
14 years 9 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
84
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GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user ca...
WCNC
2010
IEEE
14 years 7 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
VTC
2010
IEEE
14 years 7 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
GLOBECOM
2007
IEEE
15 years 3 months ago
2007
IEEE
— Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication ...