1756 search results - page 330 / 352 » Cognitive Network Interference |
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WOWMOM
2009
ACM
15 years 4 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
—We aim to characterize the maximum link throughput of a multi-channel opportunistic communication system. The states of these channels evolve as independent and identically dist...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—We consider opportunistic communications over multiple channels where the state (“good” or “bad”) of each channel evolves as independent and identically distributed Mark...
105
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ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—In wireless communication systems, the signal strength/quality generally varies with the distances between transmitters and receivers. As a consequence, the throughput in the MA...