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2008
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On Energy-Efficient and Low-Latency Medium Access Control in Wireless Sensor Networks

9 years 3 months ago
On Energy-Efficient and Low-Latency Medium Access Control in Wireless Sensor Networks
Abstract— In wireless sensor networks, one of the big challenges is to achieve a satisfactory network lifetime while meeting quality of service (QoS) requirements. In this paper, we propose a novel MAC layer protocol which provides energy efficiency, latency guarantee, adaptability and scalability for wireless sensor networks carrying on delay-sensitive applications. Different from existing schemes, our protocol applies an opportunistic sleep scheme to adaptively balance the tradeoff between energy efficiency and the end-to-end delay. Each sensor node maintains its own wakeup probability which is adaptively adjusted according to the local network conditions to reduce the energy consumption without the increased transmission latency. In addition, an energy-aware antcast-based data forwarding scheme is introduced to further reduce sleep latency influence on the end-to-end delay and improve the communication reliability. We implement our protocol in the ns-2 simulator and compare with o...
Zhiwen Wan, Jinsong Zhang, Hao Zhu, Kia Makki, Nik
Added 01 Jun 2010
Updated 01 Jun 2010
Type Conference
Year 2008
Where WCNC
Authors Zhiwen Wan, Jinsong Zhang, Hao Zhu, Kia Makki, Niki Pissinou
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