332 search results - page 58 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
INFOCOM
2011
IEEE
14 years 1 months ago
2011
IEEE
—Spectrum sharing systems such as cognitive radio networks have drawn much attention recently due to their potential to resolve the conflict between increasing demand for spectr...
VTC
2010
IEEE
14 years 7 months ago
2010
IEEE
Cognitive radios are devices capable of sensing a large range of frequencies in order to detect the presence of primary networks and reuse their bands when they are not occupied. D...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— There is a need for new spectrum access protocols that are opportunistic, flexible and efficient, yet fair. Game theory provides a framework for analyzing spectrum access, a ...
IJSNET
2010
14 years 8 months ago
2010
— In this paper, we propose a new dual radio medium access control (MAC) protocol for wireless sensor networks. Our MAC protocol design combines the advantages of low and high fr...
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Voted
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
—The provision of very high data rates in a ubiquitous manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, the deplo...