168 search results - page 20 / 34 » Robust Distributed Spectrum Sensing in Cognitive Radio Netwo... |
ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
Recently, many works have been proposed in the area of cognitive radio to efficiently utilize the spectrum for data communication. However, little effort has been made in content...
81
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CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
Cognitive radio is a desirable technique for secondary users to utilize the spectrum gray space. In order to avoid intolerable interference to primary users, the transmission powe...
112
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MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
JSAC
2011
14 years 4 months ago
2011
— We investigate spectrum sensing by energy detection based on two different objective functions: a Bayesian sensing cost or the network weighted sum capacity. The Bayesian cost ...