Satellite handover techniques for LEO networks

dc.contributor.authorPapapetrou, E.en
dc.contributor.authorKarapantazis, S.en
dc.contributor.authorDimitriadis, G.en
dc.contributor.authorPavlidou, F. N.en
dc.date.accessioned2015-11-24T17:00:49Z
dc.date.available2015-11-24T17:00:49Z
dc.identifier.issn1542-0973-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/10822
dc.rightsDefault Licence-
dc.subjectleo satellite networksen
dc.subjectpartial satellite diversityen
dc.subjectdoppler effecten
dc.subjectfixed channel allocationen
dc.subjectsatellite handoveren
dc.subjectsystemsen
dc.subjectschemeen
dc.titleSatellite handover techniques for LEO networksen
heal.abstractLow earth orbit satellite constellations could play an important role in future mobile communication networks due to their characteristics, such as global coverage and low propagation delays. However, because of the non-stationarity of the satellites, a call may be subjected to handovers, which can be cell or satellite handovers. Quite many techniques have been proposed in the literature dealing with the cell handover issue. In this paper, a satellite handover procedure is proposed, that investigates and exploits the partial satellite diversity (namely, the existing common coverage area between contiguous satellites) in order to provide an efficient handover strategy, based always on a tradeoff of blocking and forced termination probabilities for a fair treatment of new and handover calls. Three different criteria were examined for the selection of a satellite. Each one of them could be applied either to new or handover calls, therefore we investigated nine different service schemes. A simulation tool was implemented in order to compare the different service schemes and simulation results are presented at the end of the paper. Copyright (C) 2004 John Wiley Sons, Ltd.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1002/Sat.783-
heal.journalNameInternational Journal of Satellite Communications and Networkingen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2004-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Ηλεκτρονικών Υπολογιστών και Πληροφορικήςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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