Physical layer security (PLS) of wireless communications is becoming increasingly significant with the advent of 6G. The reconciliation of channel-based secret key generation (SKG) methods is necessary to avoid inconsistencies after key generation, resulting in increased communication overhead, leakage of key information, and reduced security performance. This paper proposes a fuzzy secret key generation (FSKG) method that does not require the legitimate user to perform a consistency check after fuzzy extraction of the phase, which is used directly to encrypt the constellation rotation of the key. The proposed scheme allows users to code-decode the key bits to reduce the transmission error probability and improve the key consistency, and the simulation results prove that the proposed FSKG scheme outperforms traditional SKG schemes like CQA and CQG. The simulation results also indicate that the best secure key rate can be achieved by applying PSK modulation.


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    Titel :

    Fuzzy Secret Key Generation based on Phase Extraction and Constellation Rotation


    Beteiligte:
    Shen, Ning (Autor:in) / Du, Qinghe (Autor:in) / Lu, Lei (Autor:in) / Zhao, Shijiao (Autor:in)


    Erscheinungsdatum :

    01.06.2023


    Format / Umfang :

    1088387 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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