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Latency bounded and energy efficient MAC for wireless sensor networks

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4 Author(s)
E. -J. Kim ; Department of Electrical Engineering, Korea University, #1-5, Anam-dong, Sungbuk-gu, Seoul 136-701, Korea ; T. Shon ; J. J. H. Park ; C. -H. Kang

This study presents the design and performance evaluation of a latency bounded and medium access control (MAC) scheme (abbreviated to LB-MAC) for wireless sensor networks that require time-critical communication. LB-MAC provides the predictability for an end-to-sink data delivery time through the time division multiple access (TDMA) multi-channel transmission frame assignment considering the routing path of a tree network. In addition, it uses the traffic-based slot assignment mechanism at every transmission frame to achieve energy efficiency. The feasibility and effectiveness of LB-MAC is demonstrated through extensive simulation based comparisons with prior research.

Published in:

IET Communications  (Volume:6 ,  Issue: 14 )