A hybrid MAC protocol for emergency response wireless sensor networks

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dc.contributor.author Sitanayah, Lanny
dc.contributor.author Sreenan, Cormac J.
dc.contributor.author Brown, Kenneth N.
dc.date.accessioned 2019-11-07T12:31:01Z
dc.date.available 2019-11-07T12:31:01Z
dc.date.issued 2014-04-13
dc.identifier.citation Sitanayah, L., Sreenan, C. J. and Brown, K. N. (2014) 'A hybrid MAC protocol for emergency response wireless sensor networks', Ad Hoc Networks, 20, pp. 77-95. doi: 10.1016/j.adhoc.2014.03.008 en
dc.identifier.volume 20 en
dc.identifier.startpage 77 en
dc.identifier.endpage 95 en
dc.identifier.issn 1570-8705
dc.identifier.uri http://hdl.handle.net/10468/8971
dc.identifier.doi 10.1016/j.adhoc.2014.03.008 en
dc.description.abstract We introduce ER-MAC, a novel hybrid MAC protocol for emergency response wireless sensor networks. It tackles the most important emergency response requirements, such as autonomous switching from energy-efficient normal monitoring to emergency monitoring to cope with heavy traffic, robust adaptation to changes in the topology, packet prioritisation and fairness support. ER-MAC is designed as a hybrid of the TDMA and CSMA approaches, giving it the flexibility to adapt to traffic and topology changes. It adopts a TDMA approach to schedule collision-free slots. Nodes wake up for their scheduled slots, but otherwise switch into power-saving sleep mode. When an emergency occurs, nodes that participate in the emergency monitoring change their MAC behaviour by allowing contention in TDMA slots to achieve high delivery ratio and low latency. In its operation, ER-MAC prioritises high priority packets and sacrifices the delivery ratio and latency of the low priority ones. ER-MAC also guarantees fairness over the packets' sources and offers a synchronised and loose slot structure to allow nodes to join or leave the network. Simulations in ns-2 show the superiority of ER-MAC over Z-MAC, a state-of-the art hybrid MAC protocol, with higher delivery ratio, lower latency, and lower energy consumption. When a cluster of nodes in the network detects fire, nodes with ER-MAC deliver twice as many high priority emergency packets and four times faster than Z-MAC. This is achieved by ER-MAC with only one fifth as much energy as Z-MAC. en
dc.description.sponsorship Higher Education Authority (Irish Higher EducationAuthority PRTLI-IV research programme through the NEM-BES Project); Science Foundation Ireland (CTVR Project (SFI CSET 10/CE/I1853) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Elsevier en
dc.relation.uri http://www.sciencedirect.com/science/article/pii/S1570870514000638
dc.rights © 2014 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 licence. en
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/ en
dc.subject MAC protocol en
dc.subject Wireless sensor networks en
dc.subject Fire emergency en
dc.title A hybrid MAC protocol for emergency response wireless sensor networks en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Cormac Sreenan, Computer Science, University College Cork, Cork, Ireland. +353-21-490-3000 Email: c.sreenan@cs.ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2019-11-07T12:21:22Z
dc.description.version Accepted Version en
dc.internal.rssid 271355763
dc.internal.wokid 000337869200006
dc.contributor.funder Higher Education Authority en
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Ad Hoc Networks en
dc.internal.copyrightchecked No
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress c.sreenan@cs.ucc.ie en
dc.identifier.eissn 1570-8713


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© 2014 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 licence. Except where otherwise noted, this item's license is described as © 2014 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 licence.
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