332 search results - page 60 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
— The European IST research projects WINNER and WINNER II aim at developing a single new ubiquitous radio access system concept that can be adapted for use in a wide variety of m...
TCOM
2010
14 years 8 months ago
2010
—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
MOBIHOC
2010
ACM
14 years 7 months ago
2010
ACM
Dynamic spectrum auction is an effective solution to provide spectrum on-demand to many small wireless networks. As the number of participants grows, bidder collusion becomes a se...
136
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TWC
2010
14 years 4 months ago
2010
Abstract-- Relaying and orthogonal frequency division multiple access (OFDMA) are the accepted technologies for emerging wireless communications standards. The activities in many w...
106
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UIC
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Recent experimental studies have shown that radio links between low-power devices are extremely unreliable. In particular, the instability and unpredictability of low-pow...