233 search results - page 29 / 47 » Stochastic Channel Selection in Cognitive Radio Networks |
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication ...
TSP
2012
12 years 3 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...
ADHOCNOW
2009
Springer
14 years 2 months ago
2009
Springer
Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in WMNs. Previous studies have emphasized throughput maximization in such systems as the main design chal...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
Cognitive radio gives users the ability to switch channels and make use of dynamic spectral opportunities. However, switching channels takes time, and may disrupt the quality of a...