Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1118
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dc.contributorDepartment of Computing-
dc.creatorChen, Y-
dc.creatorLeong, HV-
dc.creatorXu, M-
dc.creatorCao, J-
dc.creatorChan, KCC-
dc.creatorChan, ATS-
dc.date.accessioned2014-12-11T08:26:13Z-
dc.date.available2014-12-11T08:26:13Z-
dc.identifier.isbn978-076-95-2687-4-
dc.identifier.urihttp://hdl.handle.net/10397/1118-
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.rights© 2006 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.en_US
dc.rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en_US
dc.subjectSignal processing systemsen_US
dc.subjectComputer communication networksen_US
dc.subjectWireless communicationen_US
dc.subjectProgramming languages (Electronic computers)en_US
dc.subjectFramework (computer file)en_US
dc.subjectInformation systemsen_US
dc.subjectData managementen_US
dc.subjectQuery processingen_US
dc.titleAn energy-efficient framework for multi-rate query in wireless sensor networksnergy-aware protocol for data gathering applications in wireless sensor networksen_US
dc.typeConference Paperen_US
dcterms.abstractMinimizing the communication overhead is always a hot topic in wireless sensor networks. In a multi-rate query system, data sources disseminate the data streams to users at the frequency they request. However, sending data in different frequency to individual users is very costly. We address this problem by broadcasting a single consolidated data stream, aiming at reducing the amount of transmitted data. Taking into account the data correlation, we can re-construct the data streams at lower frequencies from the consolidated stream at a higher frequency. In this paper, we propose an energy-efficient framework to process multi-rate queries and investigate rate conversion mechanism. We evaluate both the accuracy and energy efficiency by simulation. Simulation results indicate that with a reasonable level of tolerance, the performance gain is significant. As far as we know, this is the first energy-efficient solution for multi-rate query in wireless sensor networks.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationCIT 2006 : The 6th IEEE International Conference on Computer and Information Technology : 20-22 September 2006, Seoul, Korea, [p. 7]-
dcterms.issued2006-
dc.relation.ispartofbookCIT 2006 : The 6th IEEE International Conference on Computer and Information Technology : 20-22 September 2006, Seoul, Korea-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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