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INFOCOM
2011
IEEE
14 years 1 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...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Data dissemination in pervasive environments is often accomplished by on-demand broadcasting. The time critical nature of the data requests plays an important role in scheduling t...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
— Network coding has recently received increasing attention to improve performance and increase capacity in both wired and wireless communication networks. In this paper, we focu...
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—Recently, spectrum-agile (SA) networks have been recognized as a viable solution to the spectrum-scarcity problem in wireless communications. In SA networks, secondary (unlicens...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...