21 search results - page 1 / 5 » Analysis of Search Schemes in Cognitive Radio |
SECON
2007
IEEE
13 years 10 months ago
2007
IEEE
— Cognitive Radio systems face an important challenge – fast and reliable channel searching to enable secondary users to optimize available spectral resources. We revisit conve...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
In this paper, we propose an interference aware throughput maximizing scheduler for cognitive radio networks (CRNs) as part of a MAC layer resource allocation framework. In the con...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We consider the problem of detecting a primary user signal over a wireless channel by a cognitive radio with multiple antennas. We present a multiple antenna processing based e...
VTC
2010
IEEE
13 years 2 months ago
2010
IEEE
—In this paper, we develop an opportunistic spectrum scheduling scheme for cognitive radio networks. In the proposed scheme, the channel status (i.e., whether being occupied by p...
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
— Spectrum handoff occurs when the primary users appear in the licensed band occupied by the secondary users. Spectrum handoff procedures aim to help the secondary users to vacat...