On the Synchronization of Computational RFIDs

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dc.contributor.authorYildirim, Kasim Sinan
dc.contributor.authorAantjes, Henko
dc.contributor.authorPawelczak, Przemyslaw
dc.contributor.authorMajid, Amjad Yousef
dc.date.accessioned2019-10-27T09:41:40Z
dc.date.available2019-10-27T09:41:40Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractBattery-free computational RFID platforms, such as WISP (Wireless Identification and Sensing Platform), are intermittently-powered devices designed for replacing existing sensor networks. Accordingly, synchronization appears as one of the crucial building blocks for collaborative and coordinated actions in these platforms. However, intermittent power leads to frequent loss of computational state and short-term clock frequency instability that makes synchronization challenging. In this article, we introduce the WISP-Sync protocol that provides synchronization among WISP tags in the communication range of an RFID reader. WISP-Sync overcomes the aforementioned challenges by employing a Proportional-Integral (PI) controller-inspired algorithm which (i) is adaptive-reactive to short-term clock instabilities; (ii) requires only a few computation steps-suitable for limited harvested energy; and (iii) keeps a few variables to hold the synchronization state-minimum overhead to recover from power interrupts. Evaluations in our testbed showed that WISP-Sync ensured an average synchronization error of approximately 1 ms among the tags with an average energy overhead of 1.85 mu J per synchronization round.en_US
dc.description.sponsorshipNetherlands Organisation for Scientific Research - Dutch Ministry of Economic Affairs, under TTW Perspectief program ZERO [P15-06]en_US
dc.description.sponsorshipA preliminary version of this article was presented at the HLPC 2016 Workshop, Atlanta, GA, USA, April 2, 2016 [1]. Part of this research is supported by the Netherlands Organisation for Scientific Research, partly funded by the Dutch Ministry of Economic Affairs, under TTW Perspectief program ZERO (P15-06) within Project P1.en_US
dc.identifier.doi10.1109/TMC.2018.2869873
dc.identifier.endpage2159en_US
dc.identifier.issn1536-1233
dc.identifier.issn1558-0660
dc.identifier.issn1536-1233en_US
dc.identifier.issn1558-0660en_US
dc.identifier.issue9en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage2147en_US
dc.identifier.urihttps://doi.org/10.1109/TMC.2018.2869873
dc.identifier.urihttps://hdl.handle.net/11454/28664
dc.identifier.volume18en_US
dc.identifier.wosWOS:000480312500013en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIeee Computer Socen_US
dc.relation.ispartofIeee Transactions on Mobile Computingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectTime Synchronizationen_US
dc.subjectComputational RFIDsen_US
dc.subjectWireless Identification and Sensing Platform (WISP)en_US
dc.titleOn the Synchronization of Computational RFIDsen_US
dc.typeArticleen_US

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