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IWCMC
2009
ACM
14 years 4 months ago
Optimal cooperative spectrum sensing in cognitive sensor networks
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
Hai Ngoc Pham, Yan Zhang, Paal E. Engelstad, Tor S...
TCOM
2010
159views more  TCOM 2010»
13 years 8 months ago
Evolutionary cooperative spectrum sensing game: how to collaborate?
—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...
Beibei Wang, K. J. Ray Liu, T. Charles Clancy
INFOCOM
2011
IEEE
13 years 1 months ago
Opportunistic spectrum access for mobile cognitive radios
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
Alexander W. Min, Kyu-Han Kim, Jatinder Pal Singh,...
ICC
2008
IEEE
115views Communications» more  ICC 2008»
14 years 4 months ago
Sliding-Window Algorithm for Asynchronous Cooperative Sensing in Wireless Cognitive Networks
—To improve the performance of spectrum sensing, cooperation among Cognitive Radios (CRs) has been proposed recently as an effective solution. Most existing works require either ...
Chengqi Song, Qian Zhang
VTC
2010
IEEE
233views Communications» more  VTC 2010»
13 years 8 months ago
Quantization and Transmission of the Energy Measures for Cooperative Spectrum Sensing
— 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...
Olivier van den Biggelaar, Jean-Michel Dricot, Phi...