The 7th IFAC Symposium on Intelligent Autonomous Vehicles 2010

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Probabilistic localization in sensor networks using distributed Kalman Filter

Maurizio Di Rocco
Università degli studi Roma Tre
Italy

Federica Pascucci
Università degli studi Roma Tre
Italy

Abstract:
In recent years sensor networks have interested fields such as environment monitoring,
surveillance and other distributed applications for data elaboration.
This interest has been based on the decentralized approach in treating the information.
However it is still a challenge to manipulate such streams of data when the dimension of the net becomes
large despite computational capabilities and consumption constraints. In most of applications,
location awareness is fundamental to accomplish common tasks. In this paper a probabilistic approach to solve
localization problem in wireless sensor networks is presented. The algorithm, based on the Kalman Filter, estimates
the sensors' location by an adaptive behavior. The technique proposed allows a reduction of the computation
burden respect to the traditional Kalman Filter showing, as explained in simulations and real world experiments,
good performances.

 

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