191 search results - page 32 / 39 » Joint Optimization of Spectrum Sensing for Cognitive Radio N... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we study the eigenvalue-based spectrum sensing techniques for multiple-antenna cognitive radio networks. First, we study the extreme eigenvalue distributions of a c...
WICON
2008
13 years 9 months ago
2008
Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterize...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
TCOM
2010
13 years 6 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...