Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/73798
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dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorXu, Z-
dc.creatorLiu, G-
dc.creatorYan, H-
dc.creatorCheng, B-
dc.creatorLin, F-
dc.date.accessioned2018-03-29T07:15:22Z-
dc.date.available2018-03-29T07:15:22Z-
dc.identifier.issn1424-8220-
dc.identifier.urihttp://hdl.handle.net/10397/73798-
dc.language.isoenen_US
dc.publisherMolecular Diversity Preservation International (MDPI)en_US
dc.rights© 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en_US
dc.subjectEvent report transmissionen_US
dc.subjectMobility managementen_US
dc.subjectRoutingen_US
dc.subjectTrail-based searchen_US
dc.subjectWireless sensor and actor networksen_US
dc.titleTrail-based search for efficient event report to mobile actors in wireless sensor and actor networksen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage2-
dc.identifier.volume17-
dc.identifier.issue11-
dc.identifier.doi10.3390/s17112468-
dcterms.abstractIn wireless sensor and actor networks, when an event is detected, the sensor node needs to transmit an event report to inform the actor. Since the actor moves in the network to execute missions, its location is always unavailable to the sensor nodes. A popular solution is the search strategy that can forward the data to a node without its location information. However, most existing works have not considered the mobility of the node, and thus generate significant energy consumption or transmission delay. In this paper, we propose the trail-based search (TS) strategy that takes advantage of actor’s mobility to improve the search efficiency. The main idea of TS is that, when the actor moves in the network, it can leave its trail composed of continuous footprints. The search packet with the event report is transmitted in the network to search the actor or its footprints. Once an effective footprint is discovered, the packet will be forwarded along the trail until it is received by the actor. Moreover, we derive the condition to guarantee the trail connectivity, and propose the redundancy reduction scheme based on TS (TS-R) to reduce nontrivial transmission redundancy that is generated by the trail. The theoretical and numerical analysis is provided to prove the efficiency of TS. Compared with the well-known expanding ring search (ERS), TS significantly reduces the energy consumption and search delay.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationSensors (Switzerland), 2017, v. 17, no. 11, 2468, p. 2-
dcterms.isPartOfSensors (Switzerland)-
dcterms.issued2017-
dc.identifier.scopus2-s2.0-85032682430-
dc.identifier.artn2468-
dc.description.validate201802 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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