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GLOBECOM
2007
IEEE
15 years 10 months ago
Cognitive Radio Networks: How Much Spectrum Sharing is Optimal?
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...
Sudhir Srinivasa, Syed Ali Jafar
GLOBECOM
2007
IEEE
15 years 10 months ago
Provider Provisioned Overlay Networks and Their Utility in DoS Defense
—The current overlay deployment model supports minimal or no involvement by ISPs in overlay deployment and operation. This model rules out a richer set of interactions between th...
Jinu Kurian, Kamil Saraç
GLOBECOM
2007
IEEE
15 years 10 months ago
MARS: Misbehavior Detection in Ad Hoc Networks
—To detect misbehavior on data and mitigate adverse effects, we propose and evaluate a MultipAth Routing Single path transmission (MARS) scheme. The MARS combines multipath routi...
Li Zhao, José G. Delgado-Frias
131
Voted
ICC
2007
IEEE
171views Communications» more  ICC 2007»
15 years 10 months ago
On the Performance of the AAA Systems in 3G Cellular Networks
— This paper analyzes the performance of a system architecture for the Authentication, Authorization, and Accounting (AAA), in a scenario where 3G users generate traffic and invo...
Said Zaghloul, Admela Jukan
GLOBECOM
2006
IEEE
15 years 10 months ago
Secure Aggregation in Large Scale Overlay Networks
Overlay networks have been very useful in solving large scale data dissemination problems. In this paper, we consider the case of data gathering which is the inverse of disseminat...
Waseem Ahmad, Ashfaq A. Khokhar