199 search results - page 33 / 40 » Multiple antenna spectrum sensing in cognitive radios |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
WCNC
2010
IEEE
14 years 7 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
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Voted
VTC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In this paper, the possibility for a short–range cognitive radio (secondary communication system) to be located within the service area of the primary system is discussed. Al...
JSAC
2011
14 years 4 months ago
2011
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...