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dc.contributor.authorChang, Je-Weien_US
dc.contributor.authorChen, Chienen_US
dc.date.accessioned2014-12-08T15:36:48Z-
dc.date.available2014-12-08T15:36:48Z-
dc.date.issued2014-09-01en_US
dc.identifier.issn1745-1345en_US
dc.identifier.urihttp://dx.doi.org/10.1587/transcom.E97.B.1875en_US
dc.identifier.urihttp://hdl.handle.net/11536/25183-
dc.description.abstractResearchers have developed several social-based routing protocols for delay tolerant networks (DTNs) over the past few years. Two main routing metrics to support social-based routing in DTNs are centrality and similarity metrics. These two metrics help packets decide how to travel through the network to achieve short delay or low drop rate. This study presents a new routing scheme called Community-Relevance based Opportunistic routing (CROP). CROP uses a different message forwarding approach in DTNs by combining community structure with a new centrality metric called community relevance. One fundamental change in this approach is that community relevance values do not represent the importance of communities themselves. Instead, they are computed for each community-community relationship individually, which means that the level of importance of one community depends on the packet\'s destination community. The study also compares CROP with other routing algorithms such as BubbleRap and SimBet. Simulation results show that CROP achieves an average delivery ratio improvement of at least 30% and can distribute packets more fairly within the network.en_US
dc.language.isoen_USen_US
dc.subjectdelay tolerant networken_US
dc.subjectopportunistic routingen_US
dc.subjectsocial networksen_US
dc.titleCROP: Community-Relevance-Based Opportunistic Routing in Delay Tolerant Networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1587/transcom.E97.B.1875en_US
dc.identifier.journalIEICE TRANSACTIONS ON COMMUNICATIONSen_US
dc.citation.volumeE97Ben_US
dc.citation.issue9en_US
dc.citation.spage1875en_US
dc.citation.epage1888en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.department資訊工程學系zh_TW
dc.contributor.department資訊技術服務中心zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.contributor.departmentInformation Technology Services Centeren_US
dc.identifier.wosnumberWOS:000342729800015-
dc.citation.woscount0-
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