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A traffic aware, energy efficient MAC protocol for wireless sensor networks

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2 Author(s)
Changsu Suh ; Sch. of Inf. & Commun., Ajou Univ., Suwon, South Korea ; Young-Bae Ko

In this paper, we focus on the problem of designing an energy efficient MAC protocol for wireless sensor networks and propose a novel scheme, named TEEM (traffic aware, energy efficient MAC). Inspired by the S-MAC protocol, probably the most well-known sensor MAC scheme for energy efficiency, the proposed TEEM is also based on the concept of 'listen/sleep modes cycle'. However, unlike S-MAC where the duration of listen and sleep modes are fixed, our TEEM protocol makes these durations adaptive by utilizing the 'traffic information' of each node, and hence achieves a significant decrease in power consumption. Through implementation in motes sensors, the presented TEEM is evaluated and compared to S-MAC as well as the IEEE 802.11-like protocols.

Published in:

2005 IEEE International Symposium on Circuits and Systems

Date of Conference:

23-26 May 2005