ICC
2007
IEEE
13 years 11 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...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
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...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
PIMRC
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation,...
ICC
2008
IEEE
13 years 11 months ago
2008
IEEE
—Dynamic spectrum access has become a promising approach that can coordinate different users’ access to adapt to spectrum dynamics to improve spectrum efficiency. However, use...
GLOBECOM
2008
IEEE
13 years 11 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...
ADHOCNETS
2009
Springer
13 years 11 months ago
2009
Springer
A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-lay...
INFOCOM
2009
IEEE
13 years 11 months ago
2009
IEEE
—Cognitive radio has been proposed in recent years to promote the spectrum utilization by exploiting the existence of spectrum holes. The heterogeneity of both spectrum availabil...