Mobility

Safeguarding Schedule Updates in Wireless Sensor Networks

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Executive Summary

Working in the duty cycling mode enables sensor nodes to utilize limited energy efficiently instead of unnecessary idle listening. In such networks, awareness of neighboring nodes' working schedules is essential, especially when each node sets up the schedule independently. Most traditional research assumes that a node can always share its working schedule with its neighbors once it joins the network. However, dynamic energy supply and varied requirements of system performance make adjusting duty cycles necessary. Consequently, sensor nodes have to regularly change their schedules and advertise the new schedule to their one-hop neighbors.

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