132 search results - page 7 / 27 » Optimal Competitive Algorithms for Opportunistic Spectrum Ac... |
MONET
2006
13 years 7 months ago
2006
Enabled by regulatory initiatives and advanced radio technology, more flexible opportunistic spectrum access has great potential to alleviate the spectrum scarcity. In this paper,...
ICC
2008
IEEE
14 years 1 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...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
— An opportunistic radio is a radio able to detect the spectrum unused bands, and to adapt its transmission parameters in order to transmit within these free bands. An opportunis...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
GLOBECOM
2007
IEEE
13 years 9 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...