Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7017
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dc.contributor.authorYalçın, Ahmet Zahid-
dc.contributor.authorYapıcı, Yavuz-
dc.date.accessioned2021-09-11T15:44:55Z-
dc.date.available2021-09-11T15:44:55Z-
dc.date.issued2021en_US
dc.identifier.issn1536-1276-
dc.identifier.issn1558-2248-
dc.identifier.urihttps://doi.org/10.1109/TWC.2020.3024588-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7017-
dc.description.abstractThe demand of massive access to the same multimedia content at the same time is one major challenge for next-generation cellular networks in densely-packed urban areas. The content-aware multicast transmission strategies provide promising solutions to such use cases involving many mobile users trying to fetch the same data. In this work, we consider multigroup multicast transmission with a common message (e.g., multimedia content), in which different multicast groups are interested along with their private multicast messages. We further assume that a relay helps the cellular base station (BS) disseminate multicast content to the users experiencing high path loss and/or blockage. We propose superposition and concatenated coding schemes, denoted by SC and CC, respectively, to transmit the common and private multicast messages. In order to maximize max-min fair (MMF) rates, we design a novel low-complexity alternating-optimization algorithm to compute transmit and relay precoders. We also propose rate-splitting (RS) alternatives of SC and CC schemes together with an iterative algorithm to derive dedicated transmit and relay precoders so as to maximize MMF rates. We rigorously evaluate the performance of the proposed transmission schemes and precoders, and verify the superiority of RS-based schemes in overloaded scenarios without any saturation with increasing signal-to-noise ratio.en_US
dc.language.isoenen_US
dc.publisherIEEE-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofIEEE Transactions On Wireless Communicationsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCooperative communicationsen_US
dc.subjectmax-min fair (MMF) beamformingen_US
dc.subjectmultigroup multicasten_US
dc.subjectrate splitting (RS)en_US
dc.subjectminimum mean squared error (MMSE) receiveren_US
dc.titleMax-Min Fair Beamforming for Cooperative Multigroup Multicasting With Rate-Splittingen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Electrical and Electronics Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.identifier.volume20en_US
dc.identifier.issue1en_US
dc.identifier.startpage254en_US
dc.identifier.endpage268en_US
dc.authorid0000-0001-7195-3755-
dc.identifier.wosWOS:000607808800019en_US
dc.identifier.scopus2-s2.0-85091916679en_US
dc.institutionauthorYüksel, Melda-
dc.identifier.doi10.1109/TWC.2020.3024588-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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