Matching data dissemination algorithms to application requirements
Proceedings of the 1st international conference on Embedded networked sensor systems
Towards Multi-Purpose Wireless Sensor Networks
ICW '05 Proceedings of the 2005 Systems Communications
IEEE Communications Magazine
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A lot of work has been done to design wireless sensor networks (WSNs) that are distributed, self-organized, and energy-efficient. Most of these WSNs are designed to carry out a single task such as data gathering or diffusion and are not flexible enough to perform multiple tasks while keeping their self-organized behavior. In this paper, we show how a fully dis-tributed and self-organized data gathering mechanism that rely on pulse-coupled oscillator models to achieve synchronization can be extended to offer periodic two-way communica-tion between the base station and the sensor nodes. We also demonstrate the ability of the proposed mechanism to perform multiple functions such as data gathering and retasking without any disturbance in the synchronization of the WSN.