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dc.contributor.authorLin, CYen_US
dc.contributor.authorPeng, WCen_US
dc.contributor.authorTseng, YCen_US
dc.date.accessioned2014-12-08T15:16:06Z-
dc.date.available2014-12-08T15:16:06Z-
dc.date.issued2006-08-01en_US
dc.identifier.issn1536-1233en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TMC.2006.115en_US
dc.identifier.urihttp://hdl.handle.net/11536/11944-
dc.description.abstractThe rapid progress of wireless communication and embedded microsensing MEMS technologies has made wireless sensor networks possible. In light of storage in sensors, a sensor network can be considered as a distributed database, in which one can conduct in-network data processing. An important issue of wireless sensor networks is object tracking, which typically involves two basic operations: update and query. This issue has been intensively studied in other areas, such as cellular networks. However, the in-network processing characteristic of sensor networks has posed new challenges to this issue. In this paper, we develop several tree structures for in-network object tracking which take the physical topology of the sensor network into consideration. The optimization process has two stages. The first stage tries to reduce the location update cost based on a deviation-avoidance principle and a highest-weight-first principle. The second stage further adjusts the tree obtained in the first stage to reduce the query cost. The way we model this problem allows us to analytically formulate the cost of object tracking given the update and query rates of objects. Extensive simulations are conducted, which show a significant improvement over existing solutions.en_US
dc.language.isoen_USen_US
dc.subjectobject trackingen_US
dc.subjectin-network processingen_US
dc.subjectsensor networken_US
dc.subjectdata aggregationen_US
dc.subjectmobile computingen_US
dc.titleEfficient in-network moving object tracking in wireless sensor networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TMC.2006.115en_US
dc.identifier.journalIEEE TRANSACTIONS ON MOBILE COMPUTINGen_US
dc.citation.volume5en_US
dc.citation.issue8en_US
dc.citation.spage1044en_US
dc.citation.epage1056en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000238296700008-
dc.citation.woscount78-
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