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» Multiple antenna spectrum sensing in cognitive radios
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CORR
2011
Springer
245views Education» more  CORR 2011»
14 years 4 months ago
Joint Distributed Access Point Selection and Power Allocation in Cognitive Radio Networks
Spectrum management has been identified as a crucial step towards enabling the technology of the cognitive radio network (CRN). Most of the current works dealing with spectrum ma...
Mingyi Hong, Alfredo Garcia, Jorge Alviar
ICC
2009
IEEE
129views Communications» more  ICC 2009»
15 years 4 months ago
Restless Watchdog: Monitoring Multiple Bands with Blind Period in Cognitive Radio Systems
— Spectrum sensing, which monitors the spectrum activity, is studied for cognitive radio systems using multiple frequency bands with non-negligible band switching time (blind per...
Husheng Li
JSAC
2011
215views more  JSAC 2011»
14 years 4 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
ICASSP
2011
IEEE
14 years 1 months ago
A unified framework for GLRT-based spectrum sensing of signals with covariance matrices with known eigenvalue multiplicities
In this paper, we create a unified framework for spectrum sensing of signals which have covariance matrices with known eigenvalue multiplicities. We derive the generalized likeli...
Erik Axell, Erik G. Larsson
IWCMC
2010
ACM
14 years 11 months ago
Synthetic aperture radar construction of spectrum map for cognitive radio networking
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
Tsung-Wei Chiang, Kwang-Cheng Chen