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POLICY
2007
Springer
13 years 11 months ago
CoRaL - Policy Language and Reasoning Techniques for Spectrum Policies
Abstract— We present the Cognitive Radio (Policy) Language (CoRaL), a new language for expressing policies that govern the behavior of cognitive radios that opportunistically sha...
Daniel Elenius, Grit Denker, Mark-Oliver Stehr, Ru...
GLOBECOM
2010
IEEE
13 years 3 months ago
Routing in Hybrid Mesh Networks of Cognitive and IEEE 802.11 Radios
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
Marcel William Rocha da Silva, José Ferreir...
WICON
2008
13 years 7 months ago
A negotiation game for multichannel access in cognitive radio networks
We consider the problem of efficient opportunistic spectrum access in cognitive radio networks where there are multiple secondary users trying to share access to multiple channels...
Hua Liu, Longbo Huang, Bhaskar Krishnamachari, Qin...
TMC
2008
180views more  TMC 2008»
13 years 5 months ago
OS-MAC: An Efficient MAC Protocol for Spectrum-Agile Wireless Networks
Wireless networks and devices have rapidly been gaining popularity over their wired counterparts. This popularity, in turn, has been generating an explosive and ever-increasing dem...
Bechir Hamdaoui, Kang G. Shin
CORR
2010
Springer
248views Education» more  CORR 2010»
13 years 5 months ago
Optimal Spectrum Sharing in MIMO Cognitive Radio Networks via Semidefinite Programming
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
Ying Jun Zhang, Anthony Man-Cho So