528 search results - page 20 / 106 » Some problems of directional sensor networks |
MST
2010
13 years 1 months ago
2010
We consider the important problem of energy balanced data propagation in wireless sensor networks and we extend and generalize previous works by allowing adaptive energy assignment...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— A crucial issue in deploying wireless sensor networks is to perform a sensing task in an area of interest in an energy-efficient manner since sensor nodes have limited...
MOBIHOC
2007
ACM
14 years 6 months ago
2007
ACM
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
CDC
2008
IEEE
14 years 1 months ago
2008
IEEE
— In this paper we consider state estimation carried over a sensor network. A fusion center forms a local multi-hop tree of sensors and gateways and fuses the data into a state e...
PIMRC
2008
IEEE
14 years 1 months ago
2008
IEEE
—In this paper, we propose a new control method to cover “holes” in wireless sensor networks. Many applications often face the problem of holes when some sensor nodes are dis...