46 search results - page 4 / 10 » A Graphical Framework for Spectrum Modeling and Decision Mak... |
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
—We consider a cognitive radio network with distributed multiple secondary users, where each user independently searches for spectrum opportunities in multiple channels without e...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
CORR
2010
Springer
2010
Springer
Binary is Good: A Binary Inference Framework for Primary User Separation in Cognitive Radio Networks
13 years 1 months ago
Primary users (PU) separation concerns with the issues of distinguishing and characterizing primary users in cognitive radio (CR) networks. We argue the need for PU separation in t...
VTC
2010
IEEE
13 years 3 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...
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...