Summary

Proceedings of the 2012 International Symposium on Nonlinear Theory and its Applications

2012

Session Number:C2L-C

Session:

Number:656

Performance Evaluation of a Sensor Network Synchronization Scheme based on Noise Induced Phase Synchronization

Hiroyuki Yasuda,  Makoto Harashima,  Tomohiro Kato,  Mikio Hasegawa,  Kazuyuki Aihara,  

pp.656-659

Publication Date:

Online ISSN:2188-5079

DOI:10.15248/proc.1.656

PDF download (1014.7KB)

We investigate a novel synchronization scheme, which does not require any signal exchange, by applying the noise-induced synchronization phenomenon. The noise-induced synchronization is a phenomenon that multiple nonlinear limit-cycle oscillators synchronize with each other by adding a common noise to each of them. As an application of this synchronization theory, we proposed a scheme that synchronizes wireless sensor network devises by using natural environmental signals obtained by the sensors on each. Our previous research showed that the neighboring nodes of the ZigBee sensor network synchronize by our scheme. It is because the time series of the sensed environmental data at each sensor, which are used as additive noise to the nonlinear oscillator of each, have higher cross-correlation. In our previous research, we considered environmental signals as acquired at constant intervals. In this paper, we investigate whether nonlinear limit-cycle oscillators can be synchronized even when there is variation in the acquisition time. Our results show that the synchronization can be achieved in such a more realistic and difficult situation.

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