75 search results - page 5 / 15 » On the complexity of bandwidth allocation in radio networks |
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TWC
2008
14 years 9 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
IPPS
2007
IEEE
15 years 4 months ago
2007
IEEE
With the rapid development of broadband applications, the capability of networks to provide quality of service (QoS) has become an important issue. Fair scheduling algorithms are ...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—In order to fully utilize spectrum, auction-based dynamic spectrum allocation has become a promising approach which allows unlicensed wireless users to lease unused bands from s...
WICON
2008
14 years 11 months ago
2008
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
WCNC
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Cognitive radio networks (CRN) may greatly enhance the throughput based on a given bandwidth. CRN has a unique feature, consisting of uni-directional opportunistic wirel...