221 search results - page 11 / 45 » Dynamic spectrum access in open spectrum wireless networks |
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JSAC
2011
14 years 4 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
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...
GLOBECOM
2009
IEEE
15 years 26 days ago
2009
IEEE
Dynamic Spectrum Access can enable secondary network users to access unused spectrum, or whitespace, which is found between the transmissions of primary users in a wireless networ...
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
As the radio spectrum usage paradigm shifting from the traditional command and control allocation scheme to the open spectrum allocation scheme, wireless mesh networks meet new opp...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...