Mobility

An Efficient Data-Driven Routing Protocol for Wireless Sensor Networks With Mobile Sinks

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Executive Summary

In this paper, the authors propose a Data-Driven Routing Protocol (called DDRP) for wireless sensor networks with mobile sinks (mWSNs). The design objective of DDRP is to effectively reduce the protocol overhead for data gathering in such networks. DDRP exploits the broadcast feature of wireless transmissions for sensor nodes for (gratuitous) route learning. To achieve this goal, each data packet carries an additional option recording the known distance from the sender of the packet to the destined mobile sink. The overhearing of such a data packet will gratuitously provide listeners a route to mobile sink.

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