Sensor Management for Tracking in Sensor Networks
Jason A. Fuemmeler, George K. Atia, and Venugopal V. Veeravalli

TL;DR
This paper investigates energy-efficient sensor management strategies for tracking moving objects in sensor networks, balancing energy consumption and tracking accuracy, with theoretical bounds and policy performance analysis.
Contribution
It extends previous work by considering generalized models and deriving bounds for the energy-tracking tradeoff in sensor networks.
Findings
Policies approach the lower bound in low error regimes
Derived a lower bound for the energy-tracking tradeoff
Extended models to include generalized object movement and sensing
Abstract
We study the problem of tracking an object moving through a network of wireless sensors. In order to conserve energy, the sensors may be put into a sleep mode with a timer that determines their sleep duration. It is assumed that an asleep sensor cannot be communicated with or woken up, and hence the sleep duration needs to be determined at the time the sensor goes to sleep based on all the information available to the sensor. Having sleeping sensors in the network could result in degraded tracking performance, therefore, there is a tradeoff between energy usage and tracking performance. We design sleeping policies that attempt to optimize this tradeoff and characterize their performance. As an extension to our previous work in this area [1], we consider generalized models for object movement, object sensing, and tracking cost. For discrete state spaces and continuous Gaussian…
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