172 search results - page 18 / 35 » Improved Approximation Algorithms for Maximum Lifetime Probl... |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
This paper addresses the problem of locating a single source from noisy range measurements in wireless sensor networks. An approximate solution to the maximum likelihood location ...
JSAC
2011
13 years 2 months ago
2011
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
ADHOCNOW
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. The Minimum-Power k-Connected Subgraph (MPkCS) problem seeks a power (range) assignment to the nodes of a given wireless network such that the resulting communication (su...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In this paper, we investigate the problem of grouping the sensor nodes into clusters to enhance the overall scalability of the network. A selected set of nodes, known as gatewa...
ADHOCNOW
2009
Springer
13 years 8 months ago
2009
Springer
We consider n mobile sensors located on a line containing a barrier represented by a finite line segment. Sensors form a wireless sensor network and are able to move within the lin...