An Adaptive Delay-Minimized Route Design for Wireless Sensor - Actuator Networks

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Executive Summary

Wireless Sensor-Actuator Networks (WSANs) have recently been suggested as an extension to conventional sensor networks. The powerful and mobile actuators can patrol along different routes and communicate with the static sensor nodes. Obviously, it is crucial to optimize the routes for the actuators to collect the sensor data in a timely fashion. Given the non-uniform and time-varying distribution of sensors and events in large networks, the route design has to be dynamic and scalable as well as balance the loads of the actuators. In this paper, the authors propose PRObabilistic roUte Design (PROUD), which is an effective and adaptive algorithm for weight-differentiated route calculation.

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