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Detection of signals in MC-CDMA using a novel iterative block decision feedback equalizer

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dc.contributor.authorBagadi, Kalapraveen
dc.contributor.authorRavikumar, C. V.
dc.contributor.authorSathish, K.
dc.contributor.authorAlibakhshikenari, Mohammad
dc.contributor.authorVirdee, Bal S.
dc.contributor.authorKouhalvandi, Lida
dc.contributor.authorOlan Nuñez, Karen N.
dc.contributor.authorPau, Giovanni
dc.contributor.authorSee, Chan H.
dc.contributor.authorDayoub, Iyad
dc.contributor.authorLivreri, Patrizia
dc.contributor.authorAïssa, Sonia
dc.contributor.authorFalcone Lanas, Francisco
dc.contributor.authorLimiti, Ernesto
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzareneu
dc.date.accessioned2023-03-28T10:42:57Z
dc.date.available2023-03-28T10:42:57Z
dc.date.issued2022
dc.date.updated2023-03-28T10:33:40Z
dc.description.abstractThis paper presents a technique to mitigate multiple access interference (MAI) in multicarrier code division multiple access (MC-CDMA) wireless communications systems. Although under normal circumstances the MC-CDMA system can achieve high spectral efficiency and resistance towards inter symbol interference (ISI) however when exposed to substantial nonlinear distortion the issue of MAI manifests. Such distortion results when the power amplifiers are driven into saturation or when the transmit signal experiences extreme adverse channel conditions. The proposed technique uses a modified iterative block decision feedback equalizer (IB-DFE) that uses a minimal mean square error (MMSE) receiver in the feed-forward path to nullify the residual interference from the IB-DFE receiver. The received signal is re-filtered in an iterative process to significantly improve the MC-CDMA system's performance. The effectiveness of the proposed modified IB-DFE technique in MC-CDMA systems has been analysed under various harsh nonlinear conditions, and the results of this analysis presented here confirm the effectiveness of the proposed technique to outperform conventional methodologies in terms of the bit error rate (BER) and lesser computational complexity.en
dc.description.sponsorshipDr. Mohammad Alibakhshikenari acknowledges support from the CONEX-Plus programme funded by Universidad Carlos III de Madrid and the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No. 801538. Also, this work was supported by Project RTI2018-095499-B-C31, funded by the Ministerio de Ciencia, Innovación y Universidades, Gobierno de España (MCIU/AEI/FEDER, UE).en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBagadi, K., C. V., R., Sathish, K., Alibakhshikenari, M., Virdee, B. S., Kouhalvandi, L., Olan-Nunez, K. N., Pau, G., See, C. H., Dayoub, I., Livreri, P., Aissa, S., Falcone, F., & Limiti, E. (2022). Detection of signals in mc–cdma using a novel iterative block decision feedback equalizer. IEEE Access, 10, 105674-105684. https://doi.org/10.1109/ACCESS.2022.3211392en
dc.identifier.doi10.1109/ACCESS.2022.3211392
dc.identifier.issn2169-3536
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/44969
dc.language.isoengen
dc.publisherIEEEen
dc.relation.ispartofIEEE Access 10, 105674-105684en
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/801538en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-095499-B-C31/ES/en
dc.relation.publisherversionhttps://doi.org/10.1109/ACCESS.2022.3211392
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 License.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectCDMAen
dc.subjectIB-DFEen
dc.subjectMAIen
dc.subjectMaximum likelihood (ML)en
dc.subjectMMSEen
dc.subjectOFDMen
dc.titleDetection of signals in MC-CDMA using a novel iterative block decision feedback equalizeren
dc.typeinfo:eu-repo/semantics/article
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dspace.entity.typePublication
relation.isAuthorOfPublication69667b5c-e390-42d4-bc71-9f256c1b7b85
relation.isAuthorOfPublication.latestForDiscovery69667b5c-e390-42d4-bc71-9f256c1b7b85

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