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Article: On clock synchronization algorithms for wireless sensor networks under unknown delay

TitleOn clock synchronization algorithms for wireless sensor networks under unknown delay
Authors
KeywordsClock synchronization
Two-way message exchange mechanism
Wireless sensor network (WSN)
Issue Date2010
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25
Citation
Ieee Transactions On Vehicular Technology, 2010, v. 59 n. 1, p. 182-190 How to Cite?
AbstractIn this paper, three clock-synchronization algorithms for wireless sensor networks (WSNs) under unknown delay are derived. They include the maximum-likelihood estimator (MLE), a generalization of the estimator of Noh , and a novel low-complexity estimator. Their corresponding performance bounds are derived and compared, and complexities are also analyzed. It is found that the MLE achieves the best performance with the price of high complexity. For the generalized version of the estimator of Noh , although it has low complexity, its performance is degraded with respect to the MLE. On the other hand, the newly proposed estimator achieves the same performance as the MLE, and the complexity is at the same level as that of the generalized version of the estimator of Noh © 2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/124723
ISSN
2015 Impact Factor: 2.243
2015 SCImago Journal Rankings: 1.203
ISI Accession Number ID
Funding AgencyGrant Number
General Research FundHKU 7181/07E
Hong Kong University200611159233
Funding Information:

Manuscript received January 23, 2009; revised May 11, 2009. First published July 21, 2009; current version published January 20, 2010. The work was supported in part by the General Research Fund under Project HKU 7181/07E and in part by the Hong Kong University Seed Funding Programme under Project 200611159233. The review of this paper was coordinated by Prof. X. Wang.

References

 

DC FieldValueLanguage
dc.contributor.authorLeng, Men_HK
dc.contributor.authorWu, YCen_HK
dc.date.accessioned2010-10-31T10:50:29Z-
dc.date.available2010-10-31T10:50:29Z-
dc.date.issued2010en_HK
dc.identifier.citationIeee Transactions On Vehicular Technology, 2010, v. 59 n. 1, p. 182-190en_HK
dc.identifier.issn0018-9545en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124723-
dc.description.abstractIn this paper, three clock-synchronization algorithms for wireless sensor networks (WSNs) under unknown delay are derived. They include the maximum-likelihood estimator (MLE), a generalization of the estimator of Noh , and a novel low-complexity estimator. Their corresponding performance bounds are derived and compared, and complexities are also analyzed. It is found that the MLE achieves the best performance with the price of high complexity. For the generalized version of the estimator of Noh , although it has low complexity, its performance is degraded with respect to the MLE. On the other hand, the newly proposed estimator achieves the same performance as the MLE, and the complexity is at the same level as that of the generalized version of the estimator of Noh © 2009 IEEE.en_HK
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25en_HK
dc.relation.ispartofIEEE Transactions on Vehicular Technologyen_HK
dc.rightsIEEE Transactions on Vehicular Technology. Copyright © IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2010 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.subjectClock synchronizationen_HK
dc.subjectTwo-way message exchange mechanismen_HK
dc.subjectWireless sensor network (WSN)en_HK
dc.titleOn clock synchronization algorithms for wireless sensor networks under unknown delayen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0018-9545&volume=59&issue=1&spage=182&epage=190&date=2010&atitle=On+clock+synchronization+algorithms+for+wireless+sensor+networks+under+unknown+delay-
dc.identifier.emailWu, YC:ycwu@eee.hku.hken_HK
dc.identifier.authorityWu, YC=rp00195en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/TVT.2009.2028147en_HK
dc.identifier.scopuseid_2-s2.0-76849095540en_HK
dc.identifier.hkuros175294en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-76849095540&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume59en_HK
dc.identifier.issue1en_HK
dc.identifier.spage182en_HK
dc.identifier.epage190en_HK
dc.identifier.isiWOS:000273698400018-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLeng, M=34881982000en_HK
dc.identifier.scopusauthoridWu, YC=7406894786en_HK

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