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On the 5G and beyond

2020-10-12Artigo científico Acesso aberto
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dc.contributor.authorda Silva, Mário Marques
dc.contributor.authorGuerreiro, João
dc.contributor.institutionDEE - Departamento de Engenharia Electrotécnica e de Computadores
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2021-07-19T22:18:00Z
dc.date.available2021-07-19T22:18:00Z
dc.date.issued2020-10-12
dc.descriptionUIDB/50008/2020
dc.description.abstractThis article provides an overview of the fifth generation of cellular communications (5G) and beyond. It presents the transmission techniques of current 5G communications and those expected of future developments, namely a brief study of non-orthogonal multiple access (NOMA) using the single carrier with frequency domain equalization (SC-FDE) block transmission technique, evidencing its added value in terms of spectral efficiency. An introduction to the sixth generation of cellular communications (6G) is also provided. The insertion of 5G and 6G within the Fourth Industrial Revolution framework (also known as Industry 4.0) is also dealt with. Consisting of a change in paradigm, when compared to previous generations, 5G supports a myriad of new services based on the Internet of things (IoT) and on vehicle-to-vehicle (V2V) communications, supporting technologies such as autonomous driving, smart cities, and remote surgery. The new services provided by 5G are supported by new techniques, such as millimeter waves (mm-wave), in addition to traditional microwave communication, and by massive multiple-input multiple-output (m-MIMO) technology. These techniques were not employed in the fourth generation of cellular communications (4G). While 5G plays an important role in the initial implementation of the Fourth Industrial Revolution, 6G will address a number of new services such as virtual reality (VR), augmented reality (AR), holographic services, the advanced Internet of things (IoT), AI-infused applications, wireless brain–computer interaction (BCI), and mobility at higher speeds. The current research on systems beyond 5G indicates that these applications shall be supported by new MIMO techniques and make use of terahertz (THz) bands.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent12
dc.format.extent2032533
dc.identifier.doi10.3390/app10207091
dc.identifier.issn2076-3417
dc.identifier.otherPURE: 32648570
dc.identifier.otherPURE UUID: cbab3f4d-9a8f-4687-8a3a-ab0513fd678a
dc.identifier.otherScopus: 85092800293
dc.identifier.otherWOS: 000587157200001
dc.identifier.otherORCID: /0000-0001-5106-239X/work/178300145
dc.identifier.urihttp://hdl.handle.net/10362/121302
dc.identifier.urlhttps://www.scopus.com/pages/publications/85092800293
dc.language.isoeng
dc.peerreviewedyes
dc.subject5G
dc.subject6G
dc.subjectIndustry 4.0
dc.subjectIoT
dc.subjectMassive MIMO
dc.subjectMm-wave
dc.subjectNOMA
dc.subjectGeneral Materials Science
dc.subjectInstrumentation
dc.subjectGeneral Engineering
dc.subjectProcess Chemistry and Technology
dc.subjectComputer Science Applications
dc.subjectFluid Flow and Transfer Processes
dc.subjectSDG 11 - Sustainable Cities and Communities
dc.titleOn the 5G and beyonden
dc.typejournal article
degois.publication.firstPage1
degois.publication.issue20
degois.publication.lastPage12
degois.publication.titleApplied Sciences
degois.publication.volume10
dspace.entity.typePublication
rcaap.rightsopenAccess

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