In this work, we investigate the performance of an active reconfigurable intelligent surface (RIS)-aided multi-user uplink secure private industrial network. With an aim to provide a more sophisticated and consolidated framework towards the robust transmission design, we formulate a sum secrecy rate maximization while ensuring a minimum performance at each user within available resource constraints considering the norm-bounded imperfect channel state information (CSI) at Eavesdropper (Eve). To tackle the non-convex nature of the formulated problem, we propose an alternating optimization (AO)-based algorithm that jointly optimizes the equalizer, beamforming at the RIS, and power allocation at each user. The efficacy and convergence of the proposed algorithm are validated via extensive numerical simulation. The potential of active RIS, compared to passive RIS, towards a robust uplink secure private network is demonstrated. Finally, we discuss the impact of key parameters such as maximum power budget at each user and RIS, and CSI error on the secrecy performance of the considered network.


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    Titel :

    Active RIS-aided Uplink for Robust and Secure Multi-User Private Industrial Network


    Beteiligte:
    Singh, Sandeep (Autor:in) / Raviteja, Allu (Autor:in) / Singh, Keshav (Autor:in) / Singh, Sandeep Kumar (Autor:in) / Kaushik, Aryan (Autor:in) / Ku, Meng-Lin (Autor:in)


    Erscheinungsdatum :

    07.10.2024


    Format / Umfang :

    579568 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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