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Article: On clock synchronization algorithms for wireless sensor networks under unknown delay
| Title | On clock synchronization algorithms for wireless sensor networks under unknown delay | ||||||
|---|---|---|---|---|---|---|---|
| Authors | |||||||
| Keywords | Clock synchronization Two-way message exchange mechanism Wireless sensor network (WSN) | ||||||
| Issue Date | 2010 | ||||||
| Publisher | I 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? | ||||||
| Abstract | In 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 Identifier | http://hdl.handle.net/10722/124723 | ||||||
| ISSN | 2023 Impact Factor: 6.1 2023 SCImago Journal Rankings: 2.714 | ||||||
| ISI Accession Number ID |
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 | |||||||
| Grants |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Leng, M | en_HK |
| dc.contributor.author | Wu, YC | en_HK |
| dc.date.accessioned | 2010-10-31T10:50:29Z | - |
| dc.date.available | 2010-10-31T10:50:29Z | - |
| dc.date.issued | 2010 | en_HK |
| dc.identifier.citation | Ieee Transactions On Vehicular Technology, 2010, v. 59 n. 1, p. 182-190 | en_HK |
| dc.identifier.issn | 0018-9545 | en_HK |
| dc.identifier.uri | http://hdl.handle.net/10722/124723 | - |
| dc.description.abstract | In 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.language | eng | en_HK |
| dc.publisher | I E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25 | en_HK |
| dc.relation.ispartof | IEEE Transactions on Vehicular Technology | en_HK |
| dc.rights | ©2009 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.subject | Clock synchronization | en_HK |
| dc.subject | Two-way message exchange mechanism | en_HK |
| dc.subject | Wireless sensor network (WSN) | en_HK |
| dc.title | On clock synchronization algorithms for wireless sensor networks under unknown delay | en_HK |
| dc.type | Article | en_HK |
| dc.identifier.openurl | http://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.email | Wu, YC:ycwu@eee.hku.hk | en_HK |
| dc.identifier.authority | Wu, YC=rp00195 | en_HK |
| dc.description.nature | published_or_final_version | - |
| dc.identifier.doi | 10.1109/TVT.2009.2028147 | en_HK |
| dc.identifier.scopus | eid_2-s2.0-76849095540 | en_HK |
| dc.identifier.hkuros | 175294 | en_HK |
| dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-76849095540&selection=ref&src=s&origin=recordpage | en_HK |
| dc.identifier.volume | 59 | en_HK |
| dc.identifier.issue | 1 | en_HK |
| dc.identifier.spage | 182 | en_HK |
| dc.identifier.epage | 190 | en_HK |
| dc.identifier.isi | WOS:000273698400018 | - |
| dc.publisher.place | United States | en_HK |
| dc.relation.project | Time synchronization for sensor networks | - |
| dc.identifier.scopusauthorid | Leng, M=34881982000 | en_HK |
| dc.identifier.scopusauthorid | Wu, YC=7406894786 | en_HK |
| dc.identifier.issnl | 0018-9545 | - |