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Downlink Power Control in Massive MIMO Networks with Distributed Antenna Arrays

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dc.contributor.authorAkbar, Noman
dc.contributor.authorBjornson, Emil
dc.contributor.authorLarsson, E.
dc.contributor.authorYang, Nan
dc.coverage.spatialKansas City, MO, USA
dc.date.accessioned2023-12-10T22:41:45Z
dc.date.available2023-12-10T22:41:45Z
dc.date.created20-24 May 2018
dc.date.issued2018
dc.date.updated2022-09-04T08:17:02Z
dc.description.abstractIn this paper, we investigate downlink power control in massive multiple-input multiple-output (MIMO) networks with distributed antenna arrays. The base station (BS) in each cell consists of multiple antenna arrays, which are deployed in arbitrary locations within the cell. Due to the spatial separation between antenna arrays, the large-scale propagation effect is different from a user to different antenna arrays in a cell, which makes power control a challenging problem as compared to conventional massive MIMO. We assume that the BS in each cell obtains the channel estimates via uplink pilots. Based on the channel estimates, the BSs perform maximum ratio transmission for the downlink. We then derive a closed-form spectral efficiency (SE) expression, where the channels are subject to correlated fading. Utilizing the derived expression, we propose a max-min power control algorithm to ensure that each user in the network receives a uniform quality of service. Numerical results demonstrate that, for the network considered in this work, optimizing for max-min SE through the max-min power control improves the sum SE of the network as compared to the equal power allocation.en_AU
dc.description.sponsorshipThis work was supported by the Australian Government Research Training Program (RTP) Scholarship, ARC Discovery Project (DP180104062), the Swedish Research Council (VR), and ELLIIT.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.isbn978-1-5386-3180-5en_AU
dc.identifier.urihttp://hdl.handle.net/1885/309717
dc.language.isoen_AUen_AU
dc.provenancehttps://www.ieee.org/publications/rights/author-posting-policy.html..."The policy reaffirms the principle that authors are free to post their own version of their IEEE periodical or conference articles on their personal Web sites, those of their employers, or their funding agencies for the purpose of meeting public availability requirements prescribed by their funding agencies." from the publisher site (as at 11 Dec 2023). © 2018 IEEE. Personal use of this material is permitted. Permission from 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.”en_AU
dc.publisherIEEEen_AU
dc.relationhttp://purl.org/au-research/grants/arc/DP180104062en_AU
dc.relation.ispartofseries2018 IEEE International Conference on Communications, ICC 2018en_AU
dc.rights© 2018 IEEEen_AU
dc.sourceIEEE International Conference on Communicationsen_AU
dc.titleDownlink Power Control in Massive MIMO Networks with Distributed Antenna Arraysen_AU
dc.typeConference paperen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.lastpage6en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationAkbar, Noman, College of Engineering and Computer Science, ANUen_AU
local.contributor.affiliationBjornson, Emil, Linköping Universityen_AU
local.contributor.affiliationLarsson, E., University of Gothenburgen_AU
local.contributor.affiliationYang, Nan, College of Engineering and Computer Science, ANUen_AU
local.contributor.authoruidAkbar, Noman, u5710367en_AU
local.contributor.authoruidYang, Nan, u5549237en_AU
local.description.notesImported from ARIESen_AU
local.description.refereedYes
local.identifier.absfor400607 - Signal processingen_AU
local.identifier.absfor400608 - Wireless communication systems and technologies (incl. microwave and millimetrewave)en_AU
local.identifier.ariespublicationa383154xPUB30176en_AU
local.identifier.thomsonID000519271302069
local.publisher.urlhttps://www.ieee.org/en_AU
local.type.statusAccepted Versionen_AU

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