Physical Layer Authentication for Uplink IM-OFDMA System

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

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

1 Scopus citations

Abstract

This study investigates the physical layer authentication (PLA) for the index modulation-based orthogonal frequency division multiple access (IM-OFDMA) systems by considering users' in-phase and quadrature imbalances (IQI). Specifically, the PLA scheme is created for the uplink IM-OFDMA systems exploiting the IQI, forming at each user's RF front-end as an identity. In a malicious user's presence, the uplink IM-OFDMA scheme is examined, and the mathematical model for the proposed authentication scheme is established. Through the Monte Carlo simulation method, the performance of the proposed scheme is presented by employing two well-known performance metrics: authentication false rate and detection of malicious/authenticated users rate. The results for the proposed PLA scheme are demonstrated under the different parameters of IM-OFDMA and IQI. The first-time implementation of a PLA scheme for the uplink IM-OFDMA system has shown promising results.

Original languageEnglish
Title of host publication2023 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages186-190
Number of pages5
ISBN (Electronic)9798350337822
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2023 - Istanbul, Turkey
Duration: Jul 4 2023Jul 7 2023

Publication series

Name2023 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2023

Conference

Conference2023 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2023
Country/TerritoryTurkey
CityIstanbul
Period07/4/2307/7/23

Funding

This work was supported by the NPRP award [NPRP14C-0909-210008] from the Qatar National Research Fund (a member of The Qatar Foundation). The statements made herein are solely the responsibility of the author[s].

FundersFunder number
Qatar National Research Fund

    Keywords

    • Authentication false rate
    • IM-OFDMA
    • IQ imbalances
    • index modulation
    • physical layer authentication

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