Intertwined Medium Access Scheduling of Upstream and Downstream Traffic in Wireless Sensor Networks

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dc.contributor.authorBagaa, Miloud
dc.contributor.authorYounis, Mohamed
dc.contributor.authorDjenouri, Djamel
dc.contributor.authorBadache, Nadjib
dc.date.accessioned2013-12-25T13:59:07Z
dc.date.available2013-12-25T13:59:07Z
dc.date.issued2013-12-25
dc.description
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dc.description.abstractIn wireless sensor networks, the sensor data are often aggregated en-route to the base-station in order to eliminate redundancy and conserve the network resources. The base-station not only acts as a destination for the upstream data traffic, but it also configures the network by transmit- ting commands downstream to nodes. The data delivery latency is a critical performance metric in time-sensitive applications and is considered by a number of data aggregation schemes in the literature. However, to the best of our knowledge, no solution has considered the scheduling of downstream packets, originated from the base-station, in conjunction with upstream traffic. This paper fills such a gap and proposes MASAUD, which intertwines the medium access schedule of upstream and downstream traffic in order to reuse time slots in a non-conflicting manner and reduce delay. MASAUD can be integrated with any scheme for data aggregation scheduling. The simulation confirms the effectiveness of MASAUD.en
dc.identifier.isrnCERIST-DTISI/RR--13-000000031--dz
dc.identifier.urihttp://dl.cerist.dz/handle/CERIST/517
dc.publisherCERIST
dc.relation.ispartofRapports de recherche internes
dc.relation.placeAlger
dc.structureRéseaux de Capteurs et Applicationsen
dc.subjectWireless sensor networken
dc.subjectData aggregationen
dc.subjectMedium access schedulingen
dc.titleIntertwined Medium Access Scheduling of Upstream and Downstream Traffic in Wireless Sensor Networksen
dc.typeTechnical Reporten
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