Mobility

On the Feasibility of Using Servo-Mechanisms in Wireless Multimedia Sensor Network Deployments

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Executive Summary

This paper considers the use of servo-mechanisms as part of a tightly integrated homogeneous Wireless Multimedia Sensor Network (WMSN). The authors describe the design of their second generation WMSN node platform, which has increased image resolution, in-built audio sensors, PIR sensors, and servomechanisms. These devices have a wide disparity in their energy consumption and in the information quality they return. As a result, they propose a framework that establishes a hierarchy of devices (sensors and actuators) within the node and uses frequent sampling of cheaper devices to trigger the activation of more energy-hungry devices.

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