Browsing by Subject "Inter-symbol interference"

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    Artificial-noise-aided secure transmission over finite-ınput ıntersymbol ınterference channels
    (IEEE, 2018-06) Hanoğlu, Serdar; Aghdam, Sina Rezaei; Duman, Tolga M.
    We propose an artificial noise (AN) injection strategy for securing communication over finite-input intersymbol interference (lSI) channels. The technique relies on injection of colored noise whose power spectral density has the least match with the spectrum of the main channel in a certain sense. By evaluation of an achievable secrecy rate, we demonstrate that the proposed AN injection based solution results in a considerable improvement over the existing approaches, especially when the eavesdropper works at high signal-to-noise ratios (SNRs).