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» On the approximability of some network design problems
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TMC
2010
136views more  TMC 2010»
15 years 4 months ago
Relay Node Deployment Strategies in Heterogeneous Wireless Sensor Networks
– While a lot of existing research attempts to extend the lifetime of a wireless sensor network (WSN) by designing energy efficient networking protocols, the impact of random dev...
Kenan Xu, Hossam S. Hassanein, Glen Takahara, Quan...
FGCN
2008
IEEE
153views Communications» more  FGCN 2008»
16 years 20 days ago
Towards Automated Traffic System Using Vehicular Network with Directional Antenna
Vehicular network became one of the most active and emerging fields of research during last decade. Its use in diversified applications (for example safe driving, congestion avoid...
Chowdhury Sayeed Hyder, Anindya Iqbal, Une Thoing ...
GLOBECOM
2008
IEEE
16 years 20 days ago
On Relay Nodes Deployment for Distributed Detection in Wireless Sensor Networks
—In this paper, the problem of deploying relay nodes in wireless sensor networks will be considered. A system consisting of a set of sensor nodes communicating to a fusion center...
Karim G. Seddik, K. J. Ray Liu
IPCCC
2007
IEEE
16 years 15 days ago
Detecting Misused Keys in Wireless Sensor Networks
Key management is the cornerstone for secure communication in sensor networks. Researchers have recently developed many techniques to setup pairwise keys between sensor nodes. How...
Donggang Liu, Qi Dong
COMPGEOM
2006
ACM
16 years 5 days ago
Minimum-cost coverage of point sets by disks
We consider a class of geometric facility location problems in which the goal is to determine a set X of disks given by their centers (tj) and radii (rj) that cover a given set of...
Helmut Alt, Esther M. Arkin, Hervé Brö...