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Quickest Detection of Dynamic Events in Sensor Networks | IEEE Conference Publication | IEEE Xplore

Quickest Detection of Dynamic Events in Sensor Networks


Abstract:

We consider the problem of quickest detection of dynamic events in sensor networks. After an event occurs, a number of sensors are affected and undergo a change in the st...Show More

Abstract:

We consider the problem of quickest detection of dynamic events in sensor networks. After an event occurs, a number of sensors are affected and undergo a change in the statistics of their observations. We assume that the event is dynamic and can propagate with time, i.e., different sensors perceive the event at different times. The goal is to design a sequential algorithm that can detect when the event has affected no less than η sensors as quickly as possible, subject to false alarm constraints. We design a computationally efficient algorithm that is adaptive to unknown propagation dynamics, and demonstrate its asymptotic optimality as the false alarm rate goes to zero. We also provide numerical simulations to validate our theoretical results.
Date of Conference: 15-20 April 2018
Date Added to IEEE Xplore: 13 September 2018
ISBN Information:
Electronic ISSN: 2379-190X
Conference Location: Calgary, AB, Canada

References

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