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Uplink performance evaluation of broadband systems which adopt a massive MU-MIMO approach

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dc.contributor.authorTorres, Paulo
dc.contributor.authorCharrua, Luís
dc.contributor.authorGusmão, António
dc.date.accessioned2018-01-23T15:00:34Z
dc.date.available2018-01-23T15:00:34Z
dc.date.issued2014
dc.description.abstractThis paper deals with an Orthogonal Frequency Division Multiplexing (OFDM)-based uplink within a Multi User (MU)-Multi-Input Multi-Output (MIMO) system where a ”massive MIMO” approach” is adopted. In this context, either an optimum Minimum Mean-Squared Error (MMSE) linear detection or a reduced-complexity Matched Filter (MF) linear detection are considered. Regarding performance evaluation by simulation, several semi-analytical methods are proposed: one performance evaluation method in the optimum (MMSE) case; two performance evaluation methods in the MF case. This paper includes performance results for uncoded 4-Quadrature Amplitude Modulation (QAM)/OFDM transmission and a MUMIMO channel with uncorrelated Rayleigh fading, under the assumptions of perfect power control and perfect channel estimation. The accuracy of performance results obtained through the semi-analytical simulation methods is assessed by means of parallel conventional Monte Carlo simulations [10]. The performance resultsare discussed indetail andwe also emphasize the achievable ”massive MIMO” effects, even for the reducedcomplexity detection techniques, provided that the number of BS antennas is much higher than the number of antennas which are jointly employed in the terminals of the multiple autonomous users.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationTORRES, Paulo; CHARRUA. Luís; GUSMÃO, António (2014) - Uplink performance evaluation of broadband systems which adopt a massive MU-MIMO approach. In International Conference on Wireless Communications, 10th, Sevilha, 22-26 June. [S.l: s.n]. p. 1-6pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.11/5887
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBroadband Wireless Communicationspt_PT
dc.subjectMU-MIMO Systemspt_PT
dc.subjectMassive MIMOpt_PT
dc.subjectperformance evaluationpt_PT
dc.subjectOFDMpt_PT
dc.titleUplink performance evaluation of broadband systems which adopt a massive MU-MIMO approachpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceSevilhapt_PT
oaire.citation.title10th International Conference on Wireless Communications (ICWMC 2014)pt_PT
person.familyNameTorres
person.givenNamePaulo
person.identifier.ciencia-id1819-8627-0A5E
person.identifier.orcid0000-0002-7177-3401
person.identifier.scopus-author-id17436234000
rcaap.rightsrestrictedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublicationdc9de038-b1c6-4869-aba0-2d26ce85ccb7
relation.isAuthorOfPublication.latestForDiscoverydc9de038-b1c6-4869-aba0-2d26ce85ccb7

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