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dc.contributor.authorWang, You-Chiunen_US
dc.contributor.authorPeng, Wen-Chihen_US
dc.contributor.authorTseng, Yu-Cheeen_US
dc.date.accessioned2014-12-08T15:38:24Z-
dc.date.available2014-12-08T15:38:24Z-
dc.date.issued2010-12-01en_US
dc.identifier.issn1045-9219en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TPDS.2010.56en_US
dc.identifier.urihttp://hdl.handle.net/11536/26290-
dc.description.abstractWe consider a hybrid wireless sensor network with static and mobile nodes. Static sensors monitor the environment and report events occurring in the sensing field. Mobile sensors are then dispatched to visit these event locations to conduct more advanced analysis. A big challenge is how to schedule these mobile sensors' traveling paths in an energy-balanced way so that their overall lifetime is maximized. We formulate this problem as a multiround sensor dispatch problem and show it to be NP-complete. Then, we propose a centralized and a distributed heuristics to schedule mobile sensors' traveling paths. Our heuristics allow arbitrary numbers of mobile sensors and event locations in each round and have an energy-balanced concept in mind. The centralized heuristic tries to minimize mobile sensors' moving energy while keeping their energy consumption balanced. The distributed heuristic utilizes a grid structure for event locations to bid for mobile sensors. Through simulations, we show the effectiveness of our schemes. This paper contributes in defining a more general multiround sensor dispatch problem and proposing energy-efficient solutions to it.en_US
dc.language.isoen_USen_US
dc.subjectEnergy savingen_US
dc.subjectload balanceen_US
dc.subjectmobile sensoren_US
dc.subjectroboten_US
dc.subjectwireless sensor networken_US
dc.titleEnergy-Balanced Dispatch of Mobile Sensors in a Hybrid Wireless Sensor Networken_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TPDS.2010.56en_US
dc.identifier.journalIEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMSen_US
dc.citation.volume21en_US
dc.citation.issue12en_US
dc.citation.spage1836en_US
dc.citation.epage1850en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000283559800010-
dc.citation.woscount19-
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