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A traffic differentiation add-on to the IEEE 802.15.4 protocol: implementation and experimental validation over a real-time operating system

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dc.contributor.authorSeverino, Ricardo
dc.contributor.authorBatsa, Manish
dc.contributor.authorAlves, Mário
dc.contributor.authorKoubaa, Anis
dc.date.accessioned2014-02-14T15:27:58Z
dc.date.available2014-02-14T15:27:58Z
dc.date.issued2010
dc.description.abstractThe IEEE 802.15.4 is the most widespread used protocol for Wireless Sensor Networks (WSNs) and it is being used as a baseline for several higher layer protocols such as ZigBee, 6LoWPAN or WirelessHART. Its MAC (Medium Access Control) supports both contention-free (CFP, based on the reservation of guaranteed time-slots GTS) and contention based (CAP, ruled by CSMA/CA) access, when operating in beacon-enabled mode. Thus, it enables the differentiation between real-time and best-effort traffic. However, some WSN applications and higher layer protocols may strongly benefit from the possibility of supporting more traffic classes. This happens, for instance, for dense WSNs used in time-sensitive industrial applications. In this context, we propose to differentiate traffic classes within the CAP, enabling lower transmission delays and higher success probability to timecritical messages, such as for event detection, GTS reservation and network management. Building upon a previously proposed methodology (TRADIF), in this paper we outline its implementation and experimental validation over a real-time operating system. Importantly, TRADIF is fully backward compatible with the IEEE 802.15.4 standard, enabling to create different traffic classes just by tuning some MAC parameters.por
dc.identifier.doi10.1109/ETFA.2010.5641262pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/3904
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherIEEEpor
dc.relation.ispartofseriesDigital System Design: Architectures, Methods and Tools;
dc.relation.publisherversionhttp://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5615556por
dc.titleA traffic differentiation add-on to the IEEE 802.15.4 protocol: implementation and experimental validation over a real-time operating systempor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceLillepor
oaire.citation.endPage508por
oaire.citation.startPage501por
oaire.citation.title13th Euromicro Conference on Digital System Design: Architectures, Methods and Tools (DSD)por
person.familyNameSeverino
person.familyNameAlves
person.familyNameKoubaa
person.givenNameRicardo
person.givenNameMário
person.givenNameAnis
person.identifier1052876
person.identifier989131
person.identifier.ciencia-idD718-13F6-42E0
person.identifier.ciencia-idAF1F-9295-B9BC
person.identifier.ciencia-idCA19-2399-D94A
person.identifier.orcid0000-0002-4215-3238
person.identifier.orcid0000-0002-6139-6542
person.identifier.orcid0000-0003-3787-7423
person.identifier.scopus-author-id24475700500
person.identifier.scopus-author-id35087936300
person.identifier.scopus-author-id15923354900
rcaap.rightsclosedAccesspor
rcaap.typeconferenceObjectpor
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relation.isAuthorOfPublication.latestForDiscoveryd57f1f55-77df-41d2-9da7-a27d4c0a8db4

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