Secrecy Performance of RIS-enabled Linear Interference Alignment Multi-User MIMO Network

In this study, an reconfigurable intelligent surface (RIS)-enabled linear interference alignment (IA) is examined for multi-user multiple-input multiple-output (MU-MIMO) in a presence of an eavesdropper. Modified precoder and postcoder matrix designs are introduced to minimize interference for legit...

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Bibliographic Details
Published in2022 30th Telecommunications Forum (TELFOR) pp. 1 - 4
Main Authors Alakoca, Hakan, Durak-Ata, Lutfiye
Format Conference Proceeding
LanguageEnglish
Published IEEE 15.11.2022
Subjects
Interference
interference alignment
MIMO
MIMO communication
multi-user MIMO
Reconfigurable intelligent surfaces
secure communications
Signal to noise ratio
Telecommunications
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Summary:In this study, an reconfigurable intelligent surface (RIS)-enabled linear interference alignment (IA) is examined for multi-user multiple-input multiple-output (MU-MIMO) in a presence of an eavesdropper. Modified precoder and postcoder matrix designs are introduced to minimize interference for legitimate users which is used as ensuring secure communications. According to our findings, the secrecy sum rate of the IA-based RIS-enabled MU-MIMO outperforms that without IA case due to the intensive interference of the communication environment.
DOI:10.1109/TELFOR56187.2022.9983711