348 search results - page 19 / 70 » Estimation in sensor networks: a graph approach |
CDC
2010
IEEE
13 years 4 months ago
2010
IEEE
We examine distributed time-synchronization in mobile ad-hoc and sensor networks. The problem is to estimate the skews and offsets of clocks of all the nodes with respect to an arb...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Estimating missing sensor values is an inherent problem in sensor network applications; however, existing data estimation approaches do not apply well to the context of datastream...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
—We propose a new approach to evaluate the ultimate performance limit of time synchronization in wireless sensor networks based on the estimation theory. In particular the lower ...
EWSN
2008
Springer
14 years 8 months ago
2008
Springer
Abstract. We examine the problem of tracking dynamic boundaries occurring in natural phenomena using range sensors. Two main challenges of the boundary tracking problem are energy-...
BROADNETS
2006
IEEE
14 years 22 days ago
2006
IEEE
Sensor webs are heterogeneous collections of sensor devices that collect information and interact with the environment. They consist of wireless sensor networks that are ensembles ...