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ICC
2009
IEEE
129views Communications» more  ICC 2009»
15 years 6 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
SECON
2010
IEEE
14 years 9 months ago
Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
Lei Ding, Tommaso Melodia, Stella N. Batalama, Joh...
INFOCOM
2010
IEEE
14 years 10 months ago
Multicast Scheduling with Cooperation and Network Coding in Cognitive Radio Networks
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
Jin Jin, Hong Xu, Baochun Li
ICASSP
2011
IEEE
14 years 3 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
INFOCOM
2010
IEEE
14 years 10 months ago
Cooperative Resource Management in Cognitive WiMAX with Femto Cells
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
Jin Jin, Baochun Li