909 search results - page 129 / 182 » On the approximability of some network design problems |
196
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TMC
2010
15 years 4 months ago
2010
– 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...
171
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FGCN
2008
IEEE
16 years 20 days ago
2008
IEEE
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...
175
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GLOBECOM
2008
IEEE
16 years 20 days ago
2008
IEEE
—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...
183
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IPCCC
2007
IEEE
16 years 15 days ago
2007
IEEE
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...
160
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COMPGEOM
2006
ACM
16 years 5 days ago
2006
ACM
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...