Fast and reliable LoRa-based data transmissions

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dc.contributor.authorZorbas, Dimitrios
dc.contributor.authorMaillé, Patrick
dc.contributor.authorO'Flynn, Brendan
dc.contributor.authorDouligeris, Christos
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.contributor.funderHorizon 2020en
dc.contributor.funderUniversity of Piraeus, Greeceen
dc.date.accessioned2020-03-03T11:28:08Z
dc.date.available2020-03-03T11:28:08Z
dc.date.issued2019-06
dc.date.updated2020-03-03T10:28:34Z
dc.description.abstractLoRaWAN is a recently proposed MAC layer protocol which manages communications between LoRa-based gate-ways and end-devices. It has attracted much scientific attention due its physical layer characteristics, but mainly due to its versatile configuration parameters. However, it is known that LoRaWAN-based transmissions suffer from extensive collisions due to the unregulated access to the medium. For this reason, various techniques that alleviate the burst of collisions have been proposed in the literature. In this paper, we deal with the problem of fast data delivery in LoRa-based networks. We model a network where transmissions follow a Poisson process. We compute the average packet success probability per Spreading Factor (SF) assuming orthogonal transmissions. We, then, formulate an SF optimization problem to maximize the success probability given an amount of data per node and a maximum data collection time window. We show - both theoretically and using simulations - that the overall success probability can be improved by approximately 100% using optimal SF assignments. We validate our findings using a 10-node testbed and extensive experiments. Despite that experiments reveal the existence of inter-SF interference, our solution still provides the best performance compared to other LoRaWAN configurations.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationZorbas, D., Maillé, P., O'Flynn, B. and Douligeris, C. (2019) 'Fast and reliable LoRa-based data transmissions', 2019 IEEE Symposium on Computers and Communications (ISCC), Barcelona, Spain, 29 June-3 July. doi: 10.1109/ISCC47284.2019.8969766en
dc.identifier.doi10.1109/ISCC47284.2019.8969766en
dc.identifier.eissn2642-7389
dc.identifier.endpage6en
dc.identifier.isbn978-1-7281-2999-0
dc.identifier.isbn978-1-7281-3000-2
dc.identifier.issn1530-1346
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/9720
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/en
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::MSCA-COFUND-FP/713567/EU/Cutting Edge Training - Cutting Edge Technology/EDGEen
dc.relation.urihttps://ieeexplore.ieee.org/document/8969766
dc.relation.urihttp://paradise.site.uottawa.ca/iscc2019/index.html
dc.rights© 2019, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en
dc.subjectAccess protocolsen
dc.subjectOptimisationen
dc.subjectProbabilityen
dc.subjectRadiofrequency interferenceen
dc.subjectStochastic processesen
dc.subjectWide area networksen
dc.subjectLoRa-based networksen
dc.subjectAverage packet success probabilityen
dc.subjectOrthogonal transmissionsen
dc.subjectSF optimization problemen
dc.subjectMaximum data collection time windowen
dc.subjectOptimal SF assignmentsen
dc.subjectLoRaWAN configurationsen
dc.subjectRecently proposed MAC layer protocolen
dc.subjectLoRa-based gate-waysen
dc.subjectEnd-devicesen
dc.subjectScientific attentionen
dc.subjectPhysical layer characteristicsen
dc.subjectVersatile configuration parametersen
dc.subjectLoRaWAN-based transmissionsen
dc.subjectExtensive collisionsen
dc.subjectUnregulated accessen
dc.subjectFast data deliveryen
dc.titleFast and reliable LoRa-based data transmissionsen
dc.typeConference itemen
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