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Article: Clock synchronization of wireless sensor networks

TitleClock synchronization of wireless sensor networks
Authors
KeywordsAdvanced signal processing
Channel sharing
Clock synchronization
Critical component
Node scheduling
Issue Date2011
PublisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=79
Citation
Ieee Signal Processing Magazine, 2011, v. 28 n. 1, p. 124-138 How to Cite?
AbstractClock synchronization is a critical component in the operation of wireless sensor networks (WSNs), as it provides a common time frame to different nodes. It supports functions such as fusing voice and video data from different sensor nodes, time-based channel sharing, and coordinated sleep wake-up node scheduling mechanisms. Early studies on clock synchronization for WSNs mainly focused on protocol design. However, the clock synchronization problem is inherently related to parameter estimation, and, recently, studies on clock synchronization began to emerge by adopting a statistical signal processing framework. In this article, a survey on the latest advances in the field of clock synchronization of WSNs is provided by following a signal processing viewpoint. This article illustrates that many of the proposed clock synchronization protocols can be interpreted and their performance assessed using common statistical signal processing methods. It is also shown that advanced signal processing techniques enable the derivation of optimal clock synchronization algorithms under challenging scenarios. © 2010 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/134403
ISSN
2015 Impact Factor: 6.671
2015 SCImago Journal Rankings: 3.413
ISI Accession Number ID
Funding AgencyGrant Number
Qtel
QNRF-NPRP
Funding Information:

This work was supported by Qtel and QNRF-NPRP.

References

 

DC FieldValueLanguage
dc.contributor.authorWu, YCen_HK
dc.contributor.authorChaudhari, Qen_HK
dc.contributor.authorSerpedin, Een_HK
dc.date.accessioned2011-06-17T09:19:39Z-
dc.date.available2011-06-17T09:19:39Z-
dc.date.issued2011en_HK
dc.identifier.citationIeee Signal Processing Magazine, 2011, v. 28 n. 1, p. 124-138en_HK
dc.identifier.issn1053-5888en_HK
dc.identifier.urihttp://hdl.handle.net/10722/134403-
dc.description.abstractClock synchronization is a critical component in the operation of wireless sensor networks (WSNs), as it provides a common time frame to different nodes. It supports functions such as fusing voice and video data from different sensor nodes, time-based channel sharing, and coordinated sleep wake-up node scheduling mechanisms. Early studies on clock synchronization for WSNs mainly focused on protocol design. However, the clock synchronization problem is inherently related to parameter estimation, and, recently, studies on clock synchronization began to emerge by adopting a statistical signal processing framework. In this article, a survey on the latest advances in the field of clock synchronization of WSNs is provided by following a signal processing viewpoint. This article illustrates that many of the proposed clock synchronization protocols can be interpreted and their performance assessed using common statistical signal processing methods. It is also shown that advanced signal processing techniques enable the derivation of optimal clock synchronization algorithms under challenging scenarios. © 2010 IEEE.en_HK
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=79-
dc.relation.ispartofIEEE Signal Processing Magazineen_HK
dc.rightsIEEE Signal Processing Magazine. Copyright © IEEE.-
dc.rights©2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectAdvanced signal processing-
dc.subjectChannel sharing-
dc.subjectClock synchronization-
dc.subjectCritical component-
dc.subjectNode scheduling-
dc.titleClock synchronization of wireless sensor networksen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1053-5888&volume=28&issue=1&spage=124&epage=138&date=2011&atitle=Clock+synchronization+of+wireless+sensor+networks-
dc.identifier.emailWu, YC:ycwu@eee.hku.hken_HK
dc.identifier.authorityWu, YC=rp00195en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/MSP.2010.938757en_HK
dc.identifier.scopuseid_2-s2.0-78650452886en_HK
dc.identifier.hkuros185486en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78650452886&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume28en_HK
dc.identifier.issue1en_HK
dc.identifier.spage124en_HK
dc.identifier.epage138en_HK
dc.identifier.isiWOS:000285519900013-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWu, YC=7406894786en_HK
dc.identifier.scopusauthoridChaudhari, Q=16232189200en_HK
dc.identifier.scopusauthoridSerpedin, E=35293511600en_HK

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