Mobile cloud computing with a UAV-mounted cloudlet: optimal bit allocation for communication and computation

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dc.contributor.authorJeong, Seongahko
dc.contributor.authorSimeone, Osvaldoko
dc.contributor.authorKang, Joonhyukko
dc.date.accessioned2017-07-04T02:25:17Z-
dc.date.available2017-07-04T02:25:17Z-
dc.date.created2017-06-20-
dc.date.created2017-06-20-
dc.date.issued2017-05-
dc.identifier.citationIET COMMUNICATIONS, v.11, no.7, pp.969 - 974-
dc.identifier.issn1751-8628-
dc.identifier.urihttp://hdl.handle.net/10203/224555-
dc.description.abstractMobile cloud computing relieves the tension between computation-intensive mobile applications and battery-constrained mobile devices by enabling the offloading of computing tasks from mobiles to a remote processors. This study considers a mobile cloud computing scenario in which the 'cloudlet' processor that provides offloading opportunities to mobile devices is mounted on unmanned aerial vehicles (UAVs) to enhance coverage. Focusing on a slotted communication system with frequency division multiplexing between mobile and UAV, the joint optimisation of the number of input bits transmitted in the uplink by the mobile to the UAV, the number of input bits processed by the cloudlet at the UAV and the number of output bits returned by the cloudlet to the mobile in the downlink in each slot is carried out by means of dual decomposition under maximum latency constraints with the aim of minimising the mobile energy consumption. Numerical results reveal the critical importance of an optimised bit allocation in order to enable significant energy savings as compared with local mobile execution for stringent latency constraints.-
dc.languageEnglish-
dc.publisherINST ENGINEERING TECHNOLOGY-IET-
dc.subjectUNMANNED AERIAL VEHICLES-
dc.subjectMAXIMIZATION-
dc.subjectNETWORKS-
dc.subjectSYSTEMS-
dc.titleMobile cloud computing with a UAV-mounted cloudlet: optimal bit allocation for communication and computation-
dc.typeArticle-
dc.identifier.wosid000401991200001-
dc.identifier.scopusid2-s2.0-85019926716-
dc.type.rimsART-
dc.citation.volume11-
dc.citation.issue7-
dc.citation.beginningpage969-
dc.citation.endingpage974-
dc.citation.publicationnameIET COMMUNICATIONS-
dc.identifier.doi10.1049/iet-com.2016.1114-
dc.contributor.localauthorKang, Joonhyuk-
dc.contributor.nonIdAuthorJeong, Seongah-
dc.contributor.nonIdAuthorSimeone, Osvaldo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusUNMANNED AERIAL VEHICLES-
dc.subject.keywordPlusMAXIMIZATION-
dc.subject.keywordPlusNETWORKS-
dc.subject.keywordPlusSYSTEMS-
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