Optimizing peak age under intermittent satellite connectivity and store-and-forward

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dc.authorid0009-0000-3080-7065
dc.authorid0009-0002-1180-4277
dc.authorid0000-0003-1506-2792
dc.authorid0000-0001-5770-1199
dc.authorid0000-0002-7258-4872
dc.authorid0000-0003-2592-3701
dc.contributor.authorArı, Çağrıen_US
dc.contributor.authorKartal, Özkan Tuğberken_US
dc.contributor.authorMunari, Andreaen_US
dc.contributor.authorBadia, Leonardoen_US
dc.contributor.authorUysal, Elifen_US
dc.contributor.authorKaya, Onuren_US
dc.date.accessioned2026-05-04T08:53:18Z
dc.date.available2026-05-04T08:53:18Z
dc.date.issued2025-10-29
dc.departmentIşık Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering and Natural Sciences, Department of Electrical-Electronics Engineeringen_US
dc.description.abstractWe consider a real-time task-oriented application operating over an intermittently available satellite-based communication network, aiming to collect status updates generated by a remote sensing device. The system is modeled as a scheduling problem over a finite horizon, corresponding to the duration of the task, to minimize the peak Age of Information at the destination. The number of updates that can be transmitted is constrained by a transmission budget. Moreover, the status updates are subject to delays caused by the store-and-forward operation of the satellites, which may vastly vary depending on the network conditions. We investigate three levels of awareness regarding the connectivity conditions of the satellite network: (i) scheduling without any information about connectivity conditions, (ii) scheduling based solely on the current conditions, and (iii) scheduling based on full connectivity knowledge. The first case admits a relatively simple structure, for which a periodic transmission strategy is adopted. The latter two cases are formulated as semi-Markov decision processes and solved to obtain the optimal transmission scheduling policy. Simulation results demonstrate the impact of connectivity awareness on the application performance at the destination. Through a simple modeling approach, we provide first insights into the practically relevant setting of store-and-forward satellite architectures.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationArı, Ç., Kartal, Ö. T., Munari, A., Badia, L., Uysal, E. & Kaya, O. (2025). Optimizing peak age under intermittent satellite connectivity and store-and-forward. Paper presented at the Conference Record - Asilomar Conference on Signals, Systems and Computers, 140-144. doi:https://doi.org/10.1109/IEEECONF67917.2025.11443699en_US
dc.identifier.doi10.1109/IEEECONF67917.2025.11443699
dc.identifier.endpage144
dc.identifier.isbn9798331587451
dc.identifier.issn1058-6393
dc.identifier.scopus2-s2.0-105035826585
dc.identifier.scopusqualityQ3
dc.identifier.startpage140
dc.identifier.urihttps://hdl.handle.net/11729/7368
dc.identifier.urihttps://doi.org/10.1109/IEEECONF67917.2025.11443699
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKaya, Onuren_US
dc.institutionauthorid0000-0003-2592-3701
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherIEEE Computer Societyen_US
dc.relation.ispartofConference Record - Asilomar Conference on Signals, Systems and Computersen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAge of informationen_US
dc.subjectIntermittent availabilityen_US
dc.subjectSatellite communicationsen_US
dc.subjectStore-and-forwarden_US
dc.subjectBudget controlen_US
dc.subjectCommunication satellitesen_US
dc.subjectMarkov processesen_US
dc.subjectRemote sensingen_US
dc.subjectCommunications networksen_US
dc.subjectConditionen_US
dc.subjectReal-time tasksen_US
dc.subjectRemote-sensingen_US
dc.subjectStatus updatesen_US
dc.subjectStore and forwarden_US
dc.subjectTask-orienteden_US
dc.subjectSatellite communication systemsen_US
dc.titleOptimizing peak age under intermittent satellite connectivity and store-and-forwarden_US
dc.typeConference Objecten_US
dspace.entity.typePublicationen_US

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