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Enabling the Sleep Mode in Non-beaconed 802.15.4 Multihop Networks - A Simulative Investigation

, , , and . 6. GI/ITG KuVS Fachgespräch Drahtlose Sensornetze, Aachen, Germany, (July 2007)

Abstract

Large wireless sensor network deployments used for environ- mental monitoring or cargo tracking, require energy efficient mesh topologies. This implies duty cycling of sensor nodes to be coordinated with the routing protocol. Staying in the context of ZigBee, we simulate the combination of the sleep enabled non-beaconed mode of 802.15.4 and AODV routing and compare the duty cycling effects of synchronized and unsynchronized sleep scheduling. We consider two different link layer feedback schemes for AODV, denoted as regular and smooth AODV.

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