A Hybrid Adaptive Beamforming Algorithm for SINR Enhancement in Massive MIMO Systems

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dc.contributor.authorManai, H.
dc.contributor.authorBen Hadj Slama, L.
dc.contributor.authorBouallegue, R.
dc.coverage.issue3cs
dc.coverage.volume32cs
dc.date.accessioned2023-10-11T08:00:48Z
dc.date.available2023-10-11T08:00:48Z
dc.date.issued2023-09cs
dc.description.abstractWith the extreme density of devices and fast change of their directions in massive MIMO networks, a fast adaptive beamforming algorithm is required to provide high directivity and an enhanced signal-to-interference and noise ratio (SINR). Blind adaptive beamforming is suitable but less efficient, while non-blind adaptive beamforming is more efficient but requires significant training time. This study proposes a hybrid adaptive beamforming algorithm that addresses these issues. The algorithm integrates an improved direction-finding method to estimate the directions of arrival (DoAs) of incident signals at the antenna array, even in coherent signals cases, and a cascading combination of a blind and non-blind algorithms. The proposed algorithm generates an accurate main beam toward the desired direction and deep nulls in the direction of interfering signals, resulting in enhanced SINR. Compared to other algorithms, our approach achieves better performance without requiring additional antenna elements.en
dc.formattextcs
dc.format.extent345-355cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2023 vol. 32, č. 3, s. 345-355. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2023.0345en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/214343
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2023/23_03_0345_0355.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectMassive MIMOen
dc.subjectadaptive beamformingen
dc.subjectinterference cancellationen
dc.subjectdirection-of-arrival estimationen
dc.subjectSINR enhancementen
dc.titleA Hybrid Adaptive Beamforming Algorithm for SINR Enhancement in Massive MIMO Systemsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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