14424 search results - page 156 / 2885 » Modeling Radio Networks |
CORR
2008
Springer
15 years 1 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...
110
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ICC
2009
IEEE
14 years 10 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...
137
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TSP
2012
13 years 8 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
100
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ICC
2009
IEEE
14 years 10 months ago
2009
IEEE
In this paper we describe a model for calculating the aggregate interference encountered by primary receivers in the presence of randomly placed cognitive radios (CRs). We show tha...
PIMRC
2008
IEEE
15 years 7 months ago
2008
IEEE
—This review article explores the notion of radio flexibility, its various versions (as presented in a brief taxonomy) and its efficient instantiations under various metrics, pri...