2007 search results - page 9 / 402 » SPECTRUM |
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Dynamic spectrum trading amongst small cognitive users is fundamentally different along two axes: temporal variation, and spatial variation of user demand and channel condition....
ICASSP
2011
IEEE
13 years 4 days ago
2011
IEEE
We present several new methods for coding of spectrum coefficients in embedded audio codecs. In audio codecs, the spectrum is often divided in sub-bands, and quantized using a vec...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
GLOBECOM
2008
IEEE
14 years 2 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...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...