L-MAC: A wake-up time self-learning MAC protocol for wireless sensor networks

Dinh, T; Kim, Y; Gu, T; Vasilakos, AV

L-MAC: A wake-up time self-learning MAC protocol for wireless sensor networks

Dinh, T Kim, Y Gu, T Vasilakos, AV

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Publisher:: ELSEVIER
Publication Type:: Journal Article
Citation:: Computer Networks, 2016, 105, pp. 33-46
Issue Date:: 2016-08-04

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Field	Value	Language
dc.contributor.author	Dinh, T
dc.contributor.author	Kim, Y
dc.contributor.author	Gu, T
dc.contributor.author	Vasilakos, AV
dc.date.accessioned	2022-08-11T01:37:28Z
dc.date.available	2022-08-11T01:37:28Z
dc.date.issued	2016-08-04
dc.identifier.citation	Computer Networks, 2016, 105, pp. 33-46
dc.identifier.issn	1389-1286
dc.identifier.issn	1872-7069
dc.identifier.uri	http://hdl.handle.net/10453/159908
dc.description.abstract	This paper analyzes the trade-off issue between energy efficiency and packet delivery latency among existing duty-cycling MAC protocols in wireless sensor networks for low data-rate periodic-reporting applications. We then propose a novel and practical wake-up time self-learning MAC (L-MAC) protocol in which the key idea is to reuse beacon messages of receiver-initiated MAC protocols to enable nodes to coordinate their wakeup time with their parent nodes without incurring extra communication overhead. Based on the self-learning mechanism we propose, L-MAC builds an on-demand staggered scheduler to allow any node to forward packets continuously to the sink node. We present an analytical model, and conduct extensive simulations and experiments on Telosb sensors to show that L-MAC achieves significant higher energy efficiency compared to state-of-the-art asynchronous MAC protocols and a similar result of latency compared to synchronous MAC protocols. In particular, under QoS requirements with an upper bound value for one-hop packet delivery latency within 1 s and a lower bound value for packet delivery ratio within 95%, results show that the duty cycle of L-MAC is improved by more than 3.8 times and the end-to-end packet delivery latency of L-MAC is reduced by more than 7 times compared to those of AS-MAC and other state-of-the-art MAC protocols, respectively, in case of the packet generation interval of 1 min. L-MAC hence achieves high performance in both energy efficiency and packet delivery latency.
dc.language	English
dc.publisher	ELSEVIER
dc.relation.ispartof	Computer Networks
dc.relation.isbasedon	10.1016/j.comnet.2016.05.015
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	08 Information and Computing Sciences, 09 Engineering, 10 Technology
dc.subject.classification	Networking & Telecommunications
dc.title	L-MAC: A wake-up time self-learning MAC protocol for wireless sensor networks
dc.type	Journal Article
utslib.citation.volume	105
utslib.for	08 Information and Computing Sciences
utslib.for	09 Engineering
utslib.for	10 Technology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-11T01:37:27Z
pubs.publication-status	Published
pubs.volume	105

Abstract:

This paper analyzes the trade-off issue between energy efficiency and packet delivery latency among existing duty-cycling MAC protocols in wireless sensor networks for low data-rate periodic-reporting applications. We then propose a novel and practical wake-up time self-learning MAC (L-MAC) protocol in which the key idea is to reuse beacon messages of receiver-initiated MAC protocols to enable nodes to coordinate their wakeup time with their parent nodes without incurring extra communication overhead. Based on the self-learning mechanism we propose, L-MAC builds an on-demand staggered scheduler to allow any node to forward packets continuously to the sink node. We present an analytical model, and conduct extensive simulations and experiments on Telosb sensors to show that L-MAC achieves significant higher energy efficiency compared to state-of-the-art asynchronous MAC protocols and a similar result of latency compared to synchronous MAC protocols. In particular, under QoS requirements with an upper bound value for one-hop packet delivery latency within 1 s and a lower bound value for packet delivery ratio within 95%, results show that the duty cycle of L-MAC is improved by more than 3.8 times and the end-to-end packet delivery latency of L-MAC is reduced by more than 7 times compared to those of AS-MAC and other state-of-the-art MAC protocols, respectively, in case of the packet generation interval of 1 min. L-MAC hence achieves high performance in both energy efficiency and packet delivery latency.

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http://hdl.handle.net/10453/159908