14 search results - page 2 / 3 » FSMA - A Topology-Transparent Scheme for Opportunistic Spect... |
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
TWC
2010
12 years 11 months ago
2010
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
Abstract--By using cognitive radio technology, opportunistic spectrum access has the potential to solve the underused spectrum problem. In this paper, we employ class-based call ad...
MOBICOM
2009
ACM
13 years 11 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...