An efficient and low-latency MAC protocol for wireless sensor network

Authors:
Zhichao Gu;Jifeng Sun
Affiliations:
School of Electronics and Information, South China University of Technology, Guangzhou, China;School of Electronics and Information, South China University of Technology, Guangzhou, China
Venue:
MSN'07 Proceedings of the 3rd international conference on Mobile ad-hoc and sensor networks
Year:
2007

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Abstract

This paper proposes EL-MAC, a contention-based medium access control (MAC) protocol, which is efficient and low-latency for the wireless sensor network (WSN). EL-MAC introduces duty-cycle and virtual cluster scheme within the framework of S-MAC to reduce energy consumption and to self-organize network. Besides, Inspired by D-MAC, the scheme of data forwarding chain (DFC) is proposed for reducing the latency in multi-hop transmission. The experiment of simulation shows that EL-MAC has lower latency and higher throughput with comparative energy consumption on different traffic load condition than S-MAC.