Active node determination for correlated data gathering in wireless sensor networks

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buir.advisorKörpeoğlu, İbrahim
dc.contributor.authorKarasabun, Efe
dc.date.accessioned2016-01-08T18:10:40Z
dc.date.available2016-01-08T18:10:40Z
dc.date.issued2009
dc.departmentDepartment of Computer Engineeringen_US
dc.descriptionAnkara : The Department of Computer Engineering and the Institute of Engineering and Science of Bilkent University, 2009.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 2009.en_US
dc.descriptionIncludes bibliographical references leaves 53-55.en_US
dc.description.abstractIn wireless sensor network applications where data gathered by different sensor nodes is correlated, not all sensor nodes need to be active for the wireless sensor network to be functional. However, the sensor nodes that are selected as active should form a connected wireless network in order to transmit the collected correlated data to the data gathering node. The problem of determining a set of active sensor nodes in a correlated data environment for a fully operational wireless sensor network can be formulated as an instance of the connected correlation-dominating set problem. In this work, our contribution is twofold; we propose an effective and runtime efficient iterative improvement heuristic to solve the active sensor node determination problem and a benefit function that aims to minimize the number of active sensor nodes while maximizing the residual energy levels of the selected active sensor nodes. Extensive simulations we performed show that the proposed approach can achieve a good performance in terms of both network lifetime and runtime efficiency.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityKarasabun, Efeen_US
dc.format.extentx, 55 leaves, illustrationsen_US
dc.identifier.itemidBILKUTUPB117761
dc.identifier.urihttp://hdl.handle.net/11693/14898
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectWireless sensor networksen_US
dc.subjectCorrelated data gatheringen_US
dc.subjectActive sensor node determinationen_US
dc.subject.lccTK7872.D48 K37 2009en_US
dc.subject.lcshSensor networks.en_US
dc.subject.lcshWireless LANs.en_US
dc.titleActive node determination for correlated data gathering in wireless sensor networksen_US
dc.typeThesisen_US

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