466 search results - page 51 / 94 » Opportunistic networking in OMNeT |
GLOBECOM
2010
IEEE
13 years 5 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...
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— To explore the benefit of advertising instant and location-aware commercials that can not be effectively promoted by traditional medium like TV program and Internet, we propos...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
TWC
2010
13 years 2 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...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—We study the capacity and delay scaling laws for cognitive radio network (CRN) with static primary users and heterogeneous mobile secondary users coexisting in the unit planar a...