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

Ozgur Alaca, Saud Althunibat, Serhan Yarkan, Scott L. Miller, Khalid A. Qaraqe

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

Index modulation-based orthogonal frequency division 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 performance of the uplink IM-OFDMA in the presence of carrier frequency 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.

Original languageEnglish
Title of host publication37th International Conference on Information Networking, ICOIN 2023
PublisherIEEE Computer Society
Pages168-173
Number of pages6
ISBN (Electronic)9781665462686
DOIs
StatePublished - 2023
Externally publishedYes
Event37th International Conference on Information Networking, ICOIN 2023 - Bangkok, Thailand
Duration: Jan 11 2023Jan 14 2023

Publication series

NameInternational Conference on Information Networking
Volume2023-January
ISSN (Print)1976-7684

Conference

Conference37th International Conference on Information Networking, ICOIN 2023
Country/TerritoryThailand
CityBangkok
Period01/11/2301/14/23

Funding

This publication was made possible in parts by NPRP13S-0130-200200 from the Qatar National Research Fund (a member of The Qatar Foundation) and TAMUQ research initiative funds. The statements made herein are solely the responsibility of the authors.

FundersFunder number
TAMUQ
Qatar National Research Fund

    Keywords

    • IM-OFDMA
    • IQ imbalance
    • OFDMA
    • carrier frequency offset
    • index modulation

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