14424 search results - page 82 / 2885 » Modeling Radio Networks |
TWC
2008
13 years 10 months ago
2008
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
GLOBECOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
We consider the problem of deterministic broadcasting in radio networks when the nodes have limited knowledge about the topology of the network. We show that for every determinist...
INFOCOM
2009
IEEE
14 years 5 months ago
2009
IEEE
—In this paper, we describe and analyze the design of a joint Transport, Routing and Spectrum Sharing (TRSS) optimization algorithm for wireless networks with frequencyagile radi...
IWCMC
2010
ACM
14 years 3 months ago
2010
ACM
The first step required by the process of cognition is the intelligent observation of the environment that surrounds the actors of such a process. We present the CalRAdio-Based a...