Distributed network control for mobile multi-modal wireless sensor networks |
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Authors: | Doina BeinAuthor VitaeYicheng WenAuthor Vitae Shashi PhohaAuthor Vitae Bharat B. MadanAuthor VitaeAsok RayAuthor Vitae |
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Affiliation: | a Applied Research Laboratory, The Pennsylvania State University, University Park, PA 16802-5018, USAb Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802-1412, USA |
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Abstract: | A sensor network operates on an infrastructure of sensing, computation, and communication, through which it perceives the evolution of events it observes. We propose a fusion-driven distributed dynamic network controller, called MDSTC, for a multi-modal sensor network that incorporates distributed computation for in-situ assessment, prognosis, and optimal reorganization of constrained resources to achieve high quality multi-modal data fusion. For arbitrarily deployed sensors, a certain level of data quality cannot be guaranteed in sparse regions. MDSTC reallocates resources to sparse regions; reallocation of network resources in this manner is motivated by the fact that an increased density of sensor nodes in a region of interest leads to better quality data and enriches the network resilience. Simulation results in NS-2 show the effectiveness of the proposed MDSTC. 1 |
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Keywords: | Distributed sensor networks Multi-modal data fusion Mobile wireless network Target localization Target tracking |
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