Wireless sensor network implementations on a testbed platform
Harris, Kyle
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https://hdl.handle.net/2142/44181
Description
Title
Wireless sensor network implementations on a testbed platform
Author(s)
Harris, Kyle
Issue Date
2013-05-24T21:53:33Z
Director of Research (if dissertation) or Advisor (if thesis)
Veeravalli, Venugopal V.
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
wireless sensor network
testbed
tracking network
quickest change detection
partially observable Markov decision process (POMDP)
energy-efficiency
Abstract
Wireless sensor network implementations are developed for three different problems: data efficient quickest change detection, energy efficient sleep control for application to the tracking problem, and diffusing point source localization and tracking. For each of these three problems work in the field is briefly examined before simulations and implementations are presented.
Particular emphasis is placed on the tracking problem where a small extension is made to previous work in the field. A sub-optimal algorithm is developed that is computationally feasible for implementation purposes. This solution is compared to the more optimal solution already derived, and is then implemented on a testbed network of wireless sensors. Results from the testbed are compared, and shown to be superior in performance, to duty cycling, which is the current standard for power efficiency in a sensor network.
The implementations of the data efficient quickest change detection and the energy efficient sleep control for tracking algorithms both work well, and encourage immediate development for applied use. The implementation for the diffusing point source localization and tracking algorithm is by comparison less ready for deployment, and requires further development before applied use can be seriously considered.
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