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» Interference in a Cognitive Network with Beacon
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JCST
2008
140views more  JCST 2008»
15 years 5 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
INFOCOM
2009
IEEE
16 years 13 days ago
Coalitional Games for Distributed Collaborative Spectrum Sensing in Cognitive Radio Networks
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
Walid Saad, Zhu Han, Mérouane Debbah, Are H...
GLOBECOM
2008
IEEE
16 years 7 days ago
Collaborative Opportunistic Spectrum Access in the Presence of Multiple Transmitters
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
Ahmed O. Nasif, Brian L. Mark
WIOPT
2010
IEEE
15 years 4 months ago
A contracts-based approach for spectrum sharing among cognitive radios
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
Dileep M. Kalathil, Rahul Jain
CONNECTION
2004
98views more  CONNECTION 2004»
15 years 5 months ago
Self-refreshing memory in artificial neural networks: learning temporal sequences without catastrophic forgetting
While humans forget gradually, highly distributed connectionist networks forget catastrophically: newly learned information often completely erases previously learned information. ...
Bernard Ans, Stephane Rousset, Robert M. French, S...