Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8525
Title: A traffic aware, energy-efficient MAC protocol for wireless sensor networks
Authors: Gong, H
Cao, J 
Liu, M
Chen, L
Xie, L
Keywords: Contention windows
Energy efficient
MAC protocol
Traffic adaptive
Wireless sensor networks
WSNs
Issue Date: 2009
Publisher: InterScience
Source: International journal of ad hoc and ubiquitous computing, 2009, v. 4, no. 3-4, p. 148-156 How to cite?
Journal: International journal of ad hoc and ubiquitous computing 
Abstract: In this paper, we propose TA-MAC, a traffic load adaptive, energy-efficient Medium Access Control (MAC) protocol for Wireless Sensor Networks (WSNs). TA-MAC modifies the contention window mechanism of S-MAC, a mostly well-known MAC scheme for sensor networks. Each sensor node chooses an optimal size of initial contention window according to the number of its neighbours. Then, it adjusts the initial contention window according to the current traffic load to reduce the collision probability while employing a fast back-off scheme to reduce the time for idle listening during back-off procedure, which both reduce the energy consumption. Simulation results show that TA-MAC outperforms S-MAC under high load.
URI: http://hdl.handle.net/10397/8525
ISSN: 1743-8225
DOI: 10.1504/IJAHUC.2009.024517
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