Hidden node collision recovery protocol for low rate wireless personal area networks

Authors:
Shengzhi Zhang;Sang-Jo Yoo
Affiliations:
The Penn State University, University Park, PA, U.S.A.;Graduate School of Information Technology and Telecommunications, Inha University, Incheon, Korea
Venue:
Wireless Communications & Mobile Computing
Year:
2012

Citing 4
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Abstract

Referring to most media access control (MAC) protocols in low rate personal area networks (LR-WPANs), there is no hidden node collision avoidance mechanism utilized. Quantitative analysis in this paper based on the IEEE 802.15.4 specification shows a high probability of the continuous hidden node collisions (CHNCs), which seriously decreases network throughput. Based on this observation, we propose a cost-efficient recovery mechanism to achieve fast self-healing when LR-WPANs suffer CHNCs, while introducing no overhead when there are no collisions. Simulation results demonstrate the efficiency of our proposed protocol in terms of network throughput and power saving. Copyright © 2011 John Wiley & Sons, Ltd.