An Adaptive Energy-Efficient and Low-Latency MAC Protocol in Wireless Sensor Networks

Authors:
Men Chaoguang;Lu Yongqian;Zhang Huajian;Li Guang
Affiliations:
Research and Development Center of High Dependability Computing Technology, Harbin Engineering University, Harbin, Heilongjiang, 150001, P.R. China and National Laboratory for Information Science ...;Research and Development Center of High Dependability Computing Technology, Harbin Engineering University, Harbin, Heilongjiang, 150001, P.R. China;Research and Development Center of High Dependability Computing Technology, Harbin Engineering University, Harbin, Heilongjiang, 150001, P.R. China;Research and Development Center of High Dependability Computing Technology, Harbin Engineering University, Harbin, Heilongjiang, 150001, P.R. China
Venue:
ICCS '07 Proceedings of the 7th international conference on Computational Science, Part III: ICCS 2007
Year:
2007

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Abstract

In wireless sensor networks, an efficient Medium Access Control (MAC) protocol is critical, especially in terms of energy consumption and message latency. This paper introduces a novel protocol that nodes periodically sleep to conserve energy. When the source node has data packets to send, it uses a wakeup message to awake the sleeping nodes. The protocol needn't take the synchronization which must be achieved in S-MAC. It especially suits to the wireless sensor networks with narrow bandwidth.