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15032 Advantages of a TDMA based, energy-ef?cient, self-organizing MAC protocol for WSNs

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van Hoesel, L.F.W. and Nieberg, T. and Kip, H.J. and Havinga, P.J.M. (2004) Advantages of a TDMA based, energy-ef?cient, self-organizing MAC protocol for WSNs. In: IEEE 59th Vehicular Technology Conference, 2004. VTC 2004-Spring, 17-19 May 2004, Italy. pp. 1598-1602. IEEE Computer Society. ISSN 1550-2252 ISBN 0-7803-8255-2

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Official URL: http://dx.doi.org/10.1109/VETECS.2004.1390523

Abstract

This paper presents EMACs, a medium access protocol especially designed for wireless sensor networks.

The medium access protocol consists of a fully distributed and self-organizing TDMA scheme, in which each active node periodically listens to the channel and broadcasts a short control message. This control message is needed for medium access operation and is also used to piggy bag various types of information at low energy costs.

Information in the control message is used to create a maximal independent set of nodes. This set of nodes creates a connected network and nodes in the set are active, while other nodes are passive and save energy by exploiting the infrastructure created by the connected network.

The presented approach is compared in simulation with the SMAC protocol (a medium access protocol with coordinated adaptive sleeping) in a realistic multi-hop network setup where sensor reading are transported to a specific node and routes are established using the dynamic source routing protocol.

The EMACs protocol is able to extend the network lifetime 30% to 55% compared to SMAC in a static network topology and in a dynamic network topology, EMACs prolongs the network lifetime with a factor 2.9 to 4.2.

Item Type:	Conference or Workshop Paper (Full Paper, Talk)
Research Group:	EWI-CAES: Computer Architecture for Embedded Systems, EWI-SAS: Signals and Systems, EWI-DMMP: Discrete Mathematics and Mathematical Programming
Research Program:	CTIT-UBRICKS: Building Blocks for Ubiquitous Computing and Communication
Research Project:	EYES: Energy-Efficient Sensor Networks
ID Code:	15032
Status:	Published
Deposited On:	03 February 2009
Refereed:	Yes
International:	Yes
More Information:	statistics

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