121 search results - page 4 / 25 » Cognitive Wireless Mesh Networks with Dynamic Spectrum Acces... |
TWC
2010
13 years 15 days 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...
JSAC
2006
13 years 5 months ago
2006
One of the reasons for the limitation of bandwidth in current generation wireless networks is the spectrum policy of the Federal Communications Commission (FCC). But, with the spec...
WCNC
2010
IEEE
13 years 4 months ago
2010
IEEE
—Dynamic spectrum access (DSA) aims to improve spectrum efficiency via spectrum sensing and optimal spectrum access. An essential component in DSA is the joint design of sensing...
SECON
2010
IEEE
13 years 3 months ago
2010
IEEE
Market mechanisms have been exploited as important means for spectrum acquisition and access in cognitive radio networks. In this paper, we propose a two-tier market for decentrali...
GLOBECOM
2010
IEEE
13 years 3 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...