Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/12567
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dc.contributor.authorNeetu, R.R.-
dc.contributor.authorTopal, O.A.-
dc.contributor.authorDemir, O.T.-
dc.contributor.authorBjornson, E.-
dc.contributor.authorCavdar, C.-
dc.contributor.authorGhatak, G.-
dc.contributor.authorBohara, V.A.-
dc.date.accessioned2025-07-10T19:48:07Z-
dc.date.available2025-07-10T19:48:07Z-
dc.date.issued2025-
dc.identifier.issn2162-2337-
dc.identifier.urihttps://doi.org/10.1109/LWC.2025.3574360-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/12567-
dc.description.abstractWe consider a cell-free massive multiple-input multiple-output (mMIMO) network, where unmanned aerial vehicles (UAVs) equipped with multiple antennas serve as distributed UAV-access points (UAV-APs). These UAV-APs provide seamless coverage by jointly serving user equipments (UEs) without predefined cell boundaries. However, high-capacity wireless networks face significant challenges due to fronthaul limitations in UAV-assisted architectures. This letter proposes a novel UAVbased cell-free mMIMO framework that leverages distributed UAV-APs to serve UEs while addressing the capacity constraints of wireless fronthaul links. We evaluate functional split Options 7.2 and 8 for the fronthaul links, aiming to maximize the minimum signal-to-interference-plus-noise ratio (SINR) among the UEs and minimize the power consumption by optimizing the transmit powers of UAV-APs and selectively activating them. Our analysis compares sub-6 GHz and millimeter wave (mmWave) bands for the fronthaul, showing that mmWave achieves superior SINR with lower power consumption, particularly under Option 8. Additionally, we determine the minimum fronthaul bandwidth required to activate a single UAV-AP under different split options. © 2025 IEEE.en_US
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_US
dc.relation.ispartofIEEE Wireless Communications Lettersen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFunctional Splitsen_US
dc.subjectPower Consumptionen_US
dc.subjectSinr Fairnessen_US
dc.subjectUAV-Assisted Cell-Free Mmimoen_US
dc.titleUAV-Based Cell-Free Massive MIMO: Joint Activation and Power Optimization Under Fronthaul Capacity Limitationsen_US
dc.typeArticleen_US
dc.departmentTOBB University of Economics and Technologyen_US
dc.identifier.scopus2-s2.0-105007104133-
dc.identifier.doi10.1109/LWC.2025.3574360-
dc.authorscopusid57280143900-
dc.authorscopusid57190742811-
dc.authorscopusid55807906700-
dc.authorscopusid24478602800-
dc.authorscopusid24178594900-
dc.authorscopusid55875360400-
dc.authorscopusid55875360400-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
dc.identifier.wosqualityQ1-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.languageiso639-1en-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
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