209 search results - page 37 / 42 » Spectrum trading with insurance in cognitive radio networks |
MOBICOM
2009
ACM
14 years 1 months ago
2009
ACM
We consider the problem of cross-band interference when devices from the same or different networks share radio spectrum. Cross-band interference occurs when unsynchronized trans...
GLOBECOM
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...
GLOBECOM
2008
IEEE
14 years 3 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
ICASSP
2011
IEEE
13 years 8 days ago
2011
IEEE
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
INFOCOM
2011
IEEE
13 years 8 days ago
2011
IEEE
—Spectrum sharing systems such as cognitive radio networks have drawn much attention recently due to their potential to resolve the conflict between increasing demand for spectr...