With the development of 6G, millimeter wave communication has received extensive attention. Due to the characteristics of wireless transmission, information secrecy transmission is facing significant challenges. This paper uses the physical layer security (PLS) to explore the information secrecy transmission. Specifically, we use Intelligent Reflecting Surface (IRS) to control the wireless propagation environment and improve the secrecy rate of millimeter wave communication. The active beamforming matrix of the base station and the passive beamforming matrix of the IRS are optimized to achieve the maximum secrecy rate. We deduce the closed form solution of active beamforming and the approximate optimal solution of passive beamforming. An alternating optimization (AO) algorithm is applied to solve the non-convex optimization problem. Simulation results verify the convergence and effectiveness of the algorithm, which can obtain nearly twice the secrecy rate gain of the benchmark algorithm.


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    Titel :

    Using IRS to Improve the Secrecy Rate of Millimeter Wave Communication System


    Beteiligte:
    Song, Kunpeng (Autor:in) / Ma, Fangshu (Autor:in) / Chen, Zexian (Autor:in) / Liu, Sen (Autor:in) / Shang, Yong (Autor:in) / Cheng, Yuxin (Autor:in)


    Erscheinungsdatum :

    2023-06-01


    Format / Umfang :

    1206477 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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