Abstract
Media access control (MAC) protocols control how nodes access a shared wireless channel. It is critical to the performance of wireless sensor networks (WSN). An adaptive polling interval and short preamble MAC protocol (AX-MAC) is proposed in this paper. AXMAC is an asynchronous protocol which composed of two basic features. First, rendezvous between the sender and the receiver is reached by a series of short preambles. Second, nodes dynamically adjust their polling intervals according to network traffic conditions. Threshold parameters used to determine traffic conditions and adjust polling intervals are analyzed based on a Markov chain. Energy consumption and network latency are also discussed in detail. Simulation results indicate that AXMAC is suited to dynamic network traffic conditions and is superior to both X-MAC and Boost-MAC in energy consumption and latency.
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Defu CHEN received his M.Sc. degree in Control Science and Engineering from Zhejiang University of Technology, China in 2006. In 2006, he moved to Shanghai to work toward his Ph.D. in Instrument Science and Technology from Shanghai Jiao Tong University. His research interests are broadly in the area of wireless sensor networks.
Zhengsu TAO obtained his Ph.D. from The Hong Kong University of Science & Technology in 2006. He is now worked in Shanghai Jiao Tong University as a professor. His research interests include wireless sensor network and online measurement.
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Chen, D., Tao, Z. An adaptive polling interval and short preamble media access control protocol for wireless sensor networks. Front. Comput. Sci. China 5, 300–307 (2011). https://doi.org/10.1007/s11704-011-0134-7
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DOI: https://doi.org/10.1007/s11704-011-0134-7