221 search results - page 26 / 45 » Dynamic spectrum access in open spectrum wireless networks |
103
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INFOCOM
2012
IEEE
13 years 3 days ago
2012
IEEE
Abstract—As the rapid expansion of smart phones and associated data-intensive applications continues, we expect to see renewed interest in dynamic prioritization schemes as a way...
106
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INFOCOM
2011
IEEE
14 years 1 months ago
2011
IEEE
Abstract—Secondary spectrum access is emerging as a promising approach for mitigating the spectrum scarcity in wireless networks. Coordinated spectrum access for secondary users ...
WIOPT
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
88
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GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
— We propose and analyze a novel decentralized mechanism that motivates otherwise non-cooperative stations to participate as relays in cooperative ARQ protocol. Cooperation incen...