Research on low-latency MAC protocols for wireless sensor networks

Chenguang He; Xuejun Sha; Chankil Lee

doi:10.1117/12.773388

10 November 2007 Research on low-latency MAC protocols for wireless sensor networks

Chenguang He, Xuejun Sha, Chankil Lee

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67950F (2007) https://doi.org/10.1117/12.773388
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

Energy-efficient should not be the only design goal in MAC protocols for wireless sensor networks, which involve the use of battery-operated computing and sensing devices. Low-latency operation becomes the same important as energy-efficient in the case that the traffic load is very heavy or the real-time constrain is used in applications like tracking or locating. This paper introduces some causes of traditional time delays which are inherent in a multi-hops network using existing WSN MAC protocols, illuminates the importance of low-latency MAC design for wireless sensor networks, and presents three MACs as examples of low-latency protocols designed specially for sleep delay, wait delay and wakeup delay in wireless sensor networks, respectively. The paper also discusses design trade-offs with emphasis on low-latency and points out their advantages and disadvantages, together with some design considerations and suggestions for MAC protocols for future applications and researches.

Citation Download Citation

Chenguang He, Xuejun Sha, and Chankil Lee "Research on low-latency MAC protocols for wireless sensor networks", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67950F (10 November 2007); https://doi.org/10.1117/12.773388

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