Traffic adaptive MAC protocol for wireless sensor network

Authors:
Haigang Gong;Ming Liu;Yinchi Mao;Li-jun Chen;Li Xie
Affiliations:
State Key Laboratory for Novel Software Technology, Department of Computer Science and Technology, Nanjing University, China;State Key Laboratory for Novel Software Technology, Department of Computer Science and Technology, Nanjing University, China;State Key Laboratory for Novel Software Technology, Department of Computer Science and Technology, Nanjing University, China;State Key Laboratory for Novel Software Technology, Department of Computer Science and Technology, Nanjing University, China;State Key Laboratory for Novel Software Technology, Department of Computer Science and Technology, Nanjing University, China
Venue:
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Year:
2005

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Abstract

In this paper, we propose TA-MAC, a traffic load adaptive Medium Access Control protocol for wireless sensor network. TA-MAC modified the contention window mechanism of S-MAC. It adjusts the initial contention window according to the current traffic load to reduce the collision probability and employs a fast backoff scheme to reduce the time for idle listening during backoff procedure, which both reduce the energy consumption. Simulation results show that TA-MAC outperforms S-MAC.