Performance Analysis of Uplink IM-OFDMA Systems in the Presence of CFO and Rx-IQI

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dc.contributor.authorAlaca, Ozgur
dc.contributor.authorAlthunibat, Saud
dc.contributor.authorYarkan, Serhan
dc.contributor.authorMiller, Scott L.
dc.contributor.authorQaraqe, Khalid A.
dc.date.accessioned2023-11-01T09:23:47Z
dc.date.available2023-11-01T09:23:47Z
dc.date.issued2023en_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractIndex modulation-based orthogonal frequency divi sion multiple access (IM-OFDMA) has been recently proposed as a promising candidate for future wireless communication systems due to its superior spectral efficiency and error performance compared to conventional multiple access schemes. Therefore, it has been under investigation by researchers analyzing its performance considering different scenarios and assumptions. Following this direction, this paper presents the error perfor mance of the uplink IM-OFDMA in the presence of carrier fre quency offset (CFO) and receiver (Rx) in-phase and quadrature imbalance (IQI). In particular, the individual and joint effects of the CFO and Rx-IQI on the bit-error-rate (BER) performance of the uplink IM-OFDMA scheme are investigated, and then the IM-OFDMA is compared with the conventional OFDMA scheme by considering the detrimental effect of CFO and Rx IQI. Accordingly, this paper shows that IM-OFDMA achieves better BER performance results than the OFDMA scheme in the presence of CFO and Rx-IQI. However, the obtained results also reveal that the IM-OFDMA scheme is very sensitive to RF impairments even though it performs better than conventional OFDMA.en_US
dc.identifier.endpage173en_US
dc.identifier.scopus2-s2.0-85149179109en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage168en_US
dc.identifier.urihttps://hdl.handle.net/11467/6866
dc.identifier.wosWOS:000981938900031en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIEEE Computer Societyen_US
dc.relation.ispartof37th International Conference on Information Networking, ICOIN 2023 Bangkok 11 January 2023through 14 January 2023en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectIM-OFDMA, OFDMA, index modulation, carrier frequency offset, IQ imbalanceen_US
dc.titlePerformance Analysis of Uplink IM-OFDMA Systems in the Presence of CFO and Rx-IQIen_US
dc.typeConference Objecten_US

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