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International Journal of Distributed Sensor Networks
Volume 1 (2005), Issue 3-4, Pages 283-304
http://dx.doi.org/10.1080/15501320500330679
Original Article

Distributed Time Division Pattern Formation for Wireless Communication Networks

1Department of Human and Artificial Intelligence Systems, University of Fukui, Japan
2Development Center, OKI Electric Industry Co., Ltd., Ubiquitous System Laboratory, Corporate Research, Japan
3Department of System Design Engineering, University of Fukui, Japan

Copyright © 2005 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper proposes a novel communication timing control for wireless sensor networks, named Phase Diffusion Time Division method. This is based on the mutual synchronization of coupled phase oscillatory dynamics with a stochastic adaptation, according to the history of collision frequency in communication nodes. Through local and fully distributed interactions in the communication network, the coupled phase dynamics self-organizes an efficient time division pattern of the communication so that the network reduces the collision frequency by diffusion of the phase pattern, while it sustains sufficient throughput of the communications. We introduce the built-in virtual node dynamics model for sensor device, to implement impulse signal based interactions. This method is designed for applications in a regular grid model of the wireless network, but it can be extended to an irregular grid model as simulation results illustrate, where the proposed method outperforms CSMA method in the efficiency.