Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/11001
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Demir, O.T. | - |
dc.contributor.author | Masoudi, M. | - |
dc.contributor.author | Bjornson, E. | - |
dc.contributor.author | Cavdar, C. | - |
dc.date.accessioned | 2024-01-21T09:24:31Z | - |
dc.date.available | 2024-01-21T09:24:31Z | - |
dc.date.issued | 2024 | - |
dc.identifier.issn | 0733-8716 | - |
dc.identifier.uri | https://doi.org/10.1109/JSAC.2023.3336187 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.11851/11001 | - |
dc.description.abstract | For the energy-efficient deployment of cell-free massive MIMO functionality in a practical wireless network, the end-to-end (from radio site to the cloud) energy-aware operation is essential. In line with the cloudification and virtualization in the open radio access networks (O-RAN), it is indisputable to envision prospective cell-free infrastructure on top of the O-RAN architecture. In this paper, we explore the performance and power consumption of cell-free massive MIMO technology in comparison with traditional small-cell systems, in the virtualized O-RAN architecture. We compare two different functional split options and different resource orchestration mechanisms. In the end-to-end orchestration scheme, we aim to minimize the end-to-end power consumption by jointly allocating the radio, optical fronthaul, and virtualized cloud processing resources. We compare end-to-end orchestration with two other schemes: i) “radio-only” where radio resources are optimized independently from the cloud and ii) “local cloud coordination” where orchestration is only allowed among a local cluster of radio units. We develop several algorithms to solve the end-to-end power minimization and sum spectral efficiency maximization problems. The numerical results demonstrate that end-to-end resource allocation with fully virtualized fronthaul and cloud resources provides a substantial additional power saving than the other resource orchestration schemes. IEEE | en_US |
dc.language.iso | en | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | en_US |
dc.relation.ispartof | IEEE Journal on Selected Areas in Communications | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | Cell-free massive MIMO; Cloud computing; Computer architecture; end-to-end resource allocation; joint network orchestration; joint transmission; Massive MIMO; Optical network units; Power demand; Resource management; Virtualization; virtualized O-RAN | en_US |
dc.subject | Cells; Computer architecture; Computing power; Cytology; Electric power utilization; Energy efficiency; Green computing; Light transmission; Network architecture; Radio; Radio access networks; Resource allocation; Spectrum efficiency; Virtual reality; Cell-free; Cell-free massive MIMO; Cloud-computing; End to end; End-to-end resource allocation; Joint network; Joint network orchestration; Joint transmissions; Massive MIMO; Optical network units; Power demands; Radio access networks; Resource management; Resources allocation; Virtualizations; Virtualized open radio access network; Virtualization | en_US |
dc.title | Cell-Free Massive Mimo in O-Ran: Energy-Aware Joint Orchestration of Cloud, Fronthaul, and Radio Resources | en_US |
dc.type | Article | en_US |
dc.department | TOBB ETÜ | en_US |
dc.identifier.startpage | 1 | en_US |
dc.identifier.endpage | 1 | en_US |
dc.identifier.wos | WOS:001174086100013 | en_US |
dc.identifier.scopus | 2-s2.0-85181577907 | en_US |
dc.institutionauthor | … | - |
dc.identifier.doi | 10.1109/JSAC.2023.3336187 | - |
dc.authorscopusid | 55807906700 | - |
dc.authorscopusid | 57188558577 | - |
dc.authorscopusid | 24478602800 | - |
dc.authorscopusid | 24178594900 | - |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
item.openairetype | Article | - |
item.grantfulltext | none | - |
item.languageiso639-1 | en | - |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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