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Distributed timing synchronization for sensor networks with coupled discrete-time oscillators

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3 Author(s)
M. Cremasehi ; Dipt. di Elettronica e Infromazione, Politecnico di Milano, Milan ; O. Simeone ; U. Spagnolini

Physical layer-based distributed timing synchronization among nodes of a wireless network is currently being investigated in the literature as an interesting alternative to packet synchronization. In this paper, we analyze the convergence properties of such a system through algebraic graph theory, by modelling the nodes as discrete-time oscillators and taking into account the specific features of wireless channels (e.g., reciprocity, fading). The analysis is corroborated by numerical results and by comparison with the performance of a practical implementation of the distributed synchronization algorithm over a bandlimited noisy channel

Published in:

2006 3rd Annual IEEE Communications Society on Sensor and Ad Hoc Communications and Networks  (Volume:2 )

Date of Conference:

28-28 Sept. 2006