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dc.contributor.authorGhazzai, Hakim
dc.contributor.authorBouchoucha, Taha
dc.contributor.authorAlsharoa, Ahmad
dc.contributor.authorYaacoub, Elias
dc.contributor.authorAlouini, Mohamed-Slim
dc.contributor.authorAl-Naffouri, Tareq Y.
dc.date.accessioned2016-04-07T09:19:44Z
dc.date.available2016-04-07T09:19:44Z
dc.date.issued2016-03-15
dc.identifier.citationTransmit Power Minimization and Base Station Planning for High-Speed Trains with Multiple Moving Relays in OFDMA Systems 2016:1 IEEE Transactions on Vehicular Technology
dc.identifier.issn0018-9545
dc.identifier.issn1939-9359
dc.identifier.doi10.1109/TVT.2016.2542344
dc.identifier.urihttp://hdl.handle.net/10754/604719
dc.description.abstractHigh-speed railway system equipped with moving relay stations placed on the middle of the ceiling of each train wagon is investigated. The users inside the train are served in two hops via the orthogonal frequency-division multiple access (OFDMA) technology. In this work, we first focus on minimizing the total downlink power consumption of the base station (BS) and the moving relays while respecting specific quality of service (QoS) constraints. We first derive the optimal resource allocation solution in terms of OFDMA subcarriers and power allocation using the dual decomposition method. Then, we propose an efficient algorithm based on the Hungarian method in order to find a suboptimal but low complexity solution. Moreover, we propose an OFDMA planning solution for high-speed train by finding the maximal inter-BS distance given the required user data rates in order to perform seamless handover. Our simulation results illustrate the performance of the proposed resource allocation schemes in the case of the 3GPP Long Term Evolution-Advanced (LTE-A) and compare them with previously developed algorithms as well as with the direct transmission scenario. Our results also highlight the significant planning gain obtained thanks to the use of multiple relays instead of the conventional single relay scenario.
dc.description.sponsorshipThe work was made possible, in part, by NPRP grant #6−001−2−001 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttp://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=7434070
dc.rights(c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
dc.subjectHigh-speed railway communication
dc.subjectmoving relays
dc.subjectplanning
dc.subjectresource allocation algorithm
dc.titleTransmit Power Minimization and Base Station Planning for High-Speed Trains with Multiple Moving Relays in OFDMA Systems
dc.typeArticle
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentElectrical Engineering Program
dc.identifier.journalIEEE Transactions on Vehicular Technology
dc.eprint.versionPost-print
dc.contributor.institutionQatar Mobility Innovations Center (QMIC), Qatar Science & Technology Park, Doha, Qatar
dc.contributor.institutionIowa State University (ISU), Ames, Iowa, USA
dc.contributor.institutionArab Open University (AOU), Beirut, Lebanon
dc.contributor.institutionUC Davis, California, United States
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
kaust.personBouchoucha, Taha
kaust.personAlouini, Mohamed-Slim
kaust.personAl-Naffouri, Tareq Y.
refterms.dateFOA2018-06-14T07:54:32Z
dc.date.published-online2016-03-15
dc.date.published-print2016


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