21 search results - page 1 / 5 » Spatial Statistics of Spectrum Usage: From Measurements to S... |
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
—Several measurement studies have found a large amount of underutilized radio spectrum. More flexible regulation employing dynamic spectrum access (DSA) has been proposed as sol...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
—At present wireless devices are able to select their working frequency only to a limited extend although several measurements have shown that the current spectrum regulations ar...
TWC
2010
12 years 11 months ago
2010
Abstract--In this paper, we propose a novel spectrum occupancy model designed to generate accurate temporal and frequency behavior of various wireless transmissions. Our proposed w...
JSAC
2011
12 years 11 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...