Physical layer key generation techniques based on wireless channel fading are widely considered to be secure as long as any eavesdroppers are separated from the terminals by a distance greater than the channel correlation length. This short paper discusses how this definition of the minimum secure distance is based on only a lower bound on the eavesdropper's mutual information. The non-ergodic channel is a deterministic function of unknown channel parameters that can be estimated from multiple observations. The Cramér-Rao lower bound for the variance of an eavesdropper's estimated channel is presented.


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    Titel :

    Effect of Non-Ergodic Channels on Wireless Fading-Based Key Generation


    Beteiligte:


    Erscheinungsdatum :

    01.09.2015


    Format / Umfang :

    98343 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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