109 search results - page 6 / 22 » Maximizing Throughput of Cognitive Radio Networks with Limit... |
MOBICOM
2009
ACM
14 years 3 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...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
ICASSP
2011
IEEE
13 years 8 days ago
2011
IEEE
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
CORR
2010
Springer
13 years 8 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...
GLOBECOM
2008
IEEE
14 years 3 months ago
2008
IEEE
—Cooperative spectrum sensing has been shown to greatly improve the sensing performance in cognitive radio networks. However, if the cognitive users belong to different service p...