Subset regularized zero-forcing precoders for cell-free C-RANs

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• dc.contributor.author Mojahedian, Mohammad Mahdi
• dc.contributor.author Lozano Solsona, Angel
• dc.date.accessioned 2022-02-03T08:51:54Z
• dc.date.available 2022-02-03T08:51:54Z
• dc.date.issued 2021
• dc.description Comunicació presentada a: 29th European Signal Processing Conference (EUSIPCO) celebrat del 23 al 27 d'agost de 2021 a Dublin, Irlanda.
• dc.description.abstract This paper formulates regularized zero-forcing (RZF) precoders that are both network- and user-centric for the downlink of centralized radio-access networks operating in a cell-free fashion. The transmission to every user involves a distinct subset of access points (APs), and every AP participates in the transmission to a distinct subset of users, hence the moniker subset precoders. These subsets, defined on the basis of the large-scale channel gains between users and APs, capture the most relevant signal and interference contributions while disregarding those whose processing is cost-ineffective and whose associated channel estimations would incur unnecessary overheads. With that, subset precoding approaches the performance of network-wide RZF, for the power allocation strategies of interest, while being scalable.
• dc.description.sponsorship Work supported by the European Research Council under H2020 Framework/ERC grant 694974, by MINECO's Projects RTI2018-102112 and RTI2018-101040, and by ICREA.
• dc.format.mimetype application/pdf
• dc.identifier.citation Mojahedian MM, Lozano A. Subset regularized zero-forcing precoders for cell-free C-RANs. In: Proceedings of the 29th European Signal Processing Conference (EUSIPCO 2021); 2021 Aug 23-27; Dublin, Ireland. New York: IEEE; 2021. p. 915-9. DOI: 10.23919/EUSIPCO54536.2021.9616211
• dc.identifier.doi http://dx.doi.org/10.23919/EUSIPCO54536.2021.9616211
• dc.identifier.isbn 978-9-0827-9706-0
• dc.identifier.issn 2076-1465
• dc.identifier.uri http://hdl.handle.net/10230/52415
• dc.language.iso eng
• dc.publisher Institute of Electrical and Electronics Engineers (IEEE)
• dc.relation.ispartof Proceedings of the 29th European Signal Processing Conference (EUSIPCO 2021); 2021 Aug 23-27; Dublin, Ireland. New York: IEEE; 2021
• dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/694974
• dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/RTI2018-101040
• dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/RTI2018-102112
• dc.rights © 2021. IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. http://dx.doi.org/10.23919/EUSIPCO54536.2021.9616211
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.title Subset regularized zero-forcing precoders for cell-free C-RANs
• dc.type info:eu-repo/semantics/conferenceObject
• dc.type.version info:eu-repo/semantics/acceptedVersion