Interference alignment (IA) networks seem secure, due to the fact that signals from the legitimate network may act as interference to disrupt the external eavesdropping. However, when some users inside the network are cooperating to eavesdrop one certain user, it will not be secure any longer. Thus, we concentrate on the eavesdropping attacks in this paper, and propose a novel collusive eavesdropping scheme (CES) in a K- user IA network, where one of the users is eavesdropped by an eavesdropper with the aid of the other (K-2) cooperators. To perform the passive eavesdropping without being noticed by the targeted user, the precoding and decoding matrices of the eavesdropper and cooperators are re-designed, and some of the cooperators should sacrifice their own quality of transmission to help the eavesdropper meet the feasibility condition. Extensive simulation results are provided to show the eavesdropping effectiveness of the proposed CES in IA networks.


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    Titel :

    Internal Collusive Eavesdropping of Interference Alignment Networks


    Beteiligte:
    Zhao, Nan (Autor:in) / Yu, F. Richard (Autor:in) / Chen, Yunfei (Autor:in) / Chen, Bingcai (Autor:in) / Leung, Victor C. M. (Autor:in)


    Erscheinungsdatum :

    01.06.2017


    Format / Umfang :

    354637 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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