Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6086
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dc.contributor.authorSembroiz, David-
dc.contributor.authorOjaghi, Behnam-
dc.contributor.authorCareglio, Davide-
dc.contributor.authorRicciardi, Sergio-
dc.date.accessioned2021-09-11T15:34:54Z-
dc.date.available2021-09-11T15:34:54Z-
dc.date.issued2019en_US
dc.identifier.issn2076-3417-
dc.identifier.urihttps://doi.org/10.3390/app9214564-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6086-
dc.description.abstractWireless Sensor Networks (WSN) have lately been gaining momentum thanks to the hardware improvements and standardization software efforts. Moreover, the appearance of Internet of Things (IoT) and its reliance on sensors are helping to widely extend the usage of WSNs. However, such networks present drawbacks, mainly because of limited sensor batteries and their vulnerability against physical attacks due to the lack of protection and security. Additionally, not all the sensors inside the network have the same responsibility in terms of traffic handling. In this paper, we firstly analyze the fact that some nodes are more critical than others, considering the most critical node the one that, once incapacitated, causes the most deterioration on the network performance. Such performance is analyzed using two metrics, namely network latency and lifetime. We present a result comparison between a Mixed Integer Programming (MIP) model and a Greedy Randomized Adaptive Search Procedure (GRASP) meta-heuristic for small networks. For bigger networks, GRASP meta-heuristic results are presented to understand how the network degrades as the number of both critical and network nodes increase, by distributing them into two different areas: fixed and incremental to maintain node density.en_US
dc.description.sponsorshipSpanish Ministry of Economy and Competitiveness [FEDER TEC2017-90034-C2-1-R]; Generalitat de CatalunyaGeneralitat de Catalunya [2017SGR-1037]en_US
dc.description.sponsorshipThis work has been partially funded by the Spanish Ministry of Economy and Competitiveness under contract FEDER TEC2017-90034-C2-1-R (ALLIANCE project) and supported but not funded by the Generalitat de Catalunya under contract 2017SGR-1037.en_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofApplied Sciences-Baselen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectinternet of thingsen_US
dc.subjectMIPen_US
dc.subjectWSNen_US
dc.subjectILPen_US
dc.subjectoptimizationen_US
dc.subjectGRASPen_US
dc.subjectmeta-heuristicsen_US
dc.subjectlatencyen_US
dc.subjectlifetimeen_US
dc.titleA Grasp Meta-Heuristic for Evaluating the Latency and Lifetime Impact of Critical Nodes in Large Wireless Sensor Networksen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Computer Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Bilgisayar Mühendisliği Bölümütr_TR
dc.identifier.volume9en_US
dc.identifier.issue21en_US
dc.authorid0000-0002-7931-8147-
dc.authorid0000-0002-7931-8147-
dc.authorid0000-0002-6359-3005-
dc.identifier.wosWOS:000498058600089en_US
dc.identifier.scopus2-s2.0-85075239287en_US
dc.institutionauthorOjaghi, Behnam-
dc.identifier.doi10.3390/app9214564-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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