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IMAC: An Interference-Aware Duty-Cycle MAC Protocol for Wireless Sensor Networks Employing Multipath Routing

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4 Author(s)
Eskandari, L. ; Dept. of Inf. Technol., Sharif Univ. of Technol., Kish, Iran ; Yousefi, H. ; Movaghar, A. ; Khansari, M.

The main source of energy consumption in the current MAC protocols for wireless sensor networks is idle listening. To mitigate this problem, duty cycling is used. However, it increases data delivery latency. In this paper, we propose an Interference-aware duty-cycle MAC (IMAC) protocol for wireless sensor networks that uses cross-layer information to reserve multiple paths for each source and send data packets along them efficiently. IMAC also handles the existing interference between these paths such that data packets can be delivered in the minimum required number of cycles. Simulation results in ns-2 show that the proposed algorithm has an average reduction of 49% in data delivery latency compared to a current solution called RMAC.

Published in:

Embedded and Ubiquitous Computing (EUC), 2011 IFIP 9th International Conference on

Date of Conference:

24-26 Oct. 2011