Wireless Sensor Networks With Distributed Decision Capabilities Based on Self Synchronization of Relaxation Oscillators

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Executive Summary

The goal of this paper is to show that a distributed consensus mechanism can be implemented in a wireless sensor network exploiting the synchronization capabilities of relaxation oscillators, properly initialized with the measurements taken by their associated sensors. Relaxation oscillators are dynamic systems characterized by bistability and high flexibility to produce waveforms with different characteristics. In particular, initializing each system with a function of the measurement, the state of the system may end up into two possible stable trajectories: a constant waveform, corresponding to a stable equilibrium point, or a periodic waveform, corresponding to a limit cycle.

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