161 search results - page 3 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
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VTC
2008
IEEE
15 years 3 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
GLOBECOM
2008
IEEE
14 years 9 months ago
2008
IEEE
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
— In cognitive radio, spectrum sensing is a key component to detect spectrum holes (i.e., channels not used by any primary users). Collaborative spectrum sensing among the cognit...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices—such as wireless microphones (WMs)— is a challenging, but very important, problem that has n...
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ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...