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Low-Density Wireless Sensor Networks for Localization and Tracking in Critical Environments

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3 Author(s)
Cenedese, A. ; Dept. of Eng. & Manage., Univ. of Padova, Vicenza, Italy ; Ortolan, G. ; Bertinato, M.

In this paper, the problem of localizing and tracking mobile nodes acting in a fixed wireless sensor network (WSN) is addressed. A strategy is proposed based on an empirical map of the received signal-strength distribution that is generated by the WSN and on a stochastic model of the mobile-node behavior. This approach results in being well suited for low-density setups and critical environments. The theoretical background and the architecture of the system are presented, together with simulations to validate the design phase. Also, the system is implemented into a real-time framework, and its performance is tested in an industrial indoor environment.

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Vehicular Technology, IEEE Transactions on  (Volume:59 ,  Issue: 6 )