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Low-Complexity Equalisers for Offset Constellations in Massive MIMO Schemes

2019Artigo científico Acesso aberto
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dc.contributor.authorBento, Pedro
dc.contributor.authorPereira, Andreia
dc.contributor.authorDinis, Rui
dc.contributor.authorGomes, Marco A. C.
dc.contributor.authorSilva, Vitor
dc.contributor.institutionDEE - Departamento de Engenharia Electrotécnica e de Computadores
dc.contributor.institutionDEE2010-A1 Telecomunicações
dc.contributor.pblInstitute of Electrical and Electronics Engineers (IEEE)
dc.date.accessioned2020-09-29T22:22:50Z
dc.date.available2020-09-29T22:22:50Z
dc.date.issued2019
dc.descriptionThis work was supported in part by the European Regional Development Fund (FEDER), through the Competitiveness and Internationalization Operational Program of the Portugal 2020 Framework, in part by the Regional OP Centro under Grant POCI-01-0145-FEDER-030588, in part by the Regional OP Lisboa under Grant Lisboa-01-0145-FEDER-03058, in part by the FCT/MEC through national funds of MASSIVE5G Project under Grant SAICT-45-2017-02 and PES3N Project under Grant 2018-SAICT-45-2017-POCI-01-0145-FEDER-030629, in part by the UID/EEE/50008/2019 Project, and in part by the FCT Ph.D. under Grant SFRH/BD/108522/2015.
dc.description.abstractMassive multi-input-multi-output (m-MIMO) schemes require low-complexity implementations at both the transmitter and the receiver side, especially for systems operation at millimeter wave (mmWave) bands. In this paper, we consider the use of offset constellations in m-MIMO systems operating at mmWave frequencies. These signals are designed to have either an almost constant envelope or be decomposed as the sum of constant-envelope signals, making them compatible with strongly nonlinear power amplifiers, which can have low-implementation complexity and high amplification efficient, making them particularly interesting for mmWave communications. We design and evaluate low-complexity frequency-domain receivers for offset signals. It is shown that the proposed receivers can have excellent performance/complexity trade-offs in m-MIMO scenarios, making them particularly interesting for future wireless systems operating at mmWave bands.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent18
dc.format.extent7997643
dc.identifier.doi10.1109/ACCESS.2019.2927090
dc.identifier.otherPURE: 18997705
dc.identifier.otherPURE UUID: 84467fb0-3e62-462f-ab4a-8acae8263e1e
dc.identifier.otherScopus: 85073907118
dc.identifier.otherWOS: 000478676600019
dc.identifier.otherORCID: /0000-0002-8520-7267/work/81130866
dc.identifier.urihttp://hdl.handle.net/10362/104934
dc.identifier.urlhttps://www.scopus.com/pages/publications/85073907118
dc.language.isoeng
dc.peerreviewedyes
dc.subjectfrequency-domain receivers
dc.subjectmassive MIMO
dc.subjectmmWave communications
dc.subjectOffset modulations
dc.subjectGeneral Computer Science
dc.subjectGeneral Materials Science
dc.subjectGeneral Engineering
dc.titleLow-Complexity Equalisers for Offset Constellations in Massive MIMO Schemesen
dc.typejournal article
degois.publication.firstPage94373
degois.publication.lastPage94390
degois.publication.titleIEEE Access
degois.publication.volume7
dspace.entity.typePublication
rcaap.rightsopenAccess

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