3 research outputs found

    Time delay estimation for KSP-OFDM systems in multipath fading channels

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    In this paper we present a time delay estimation algorithm for known symbol padding (KSP) orthogonal frequency division multiplexing (OFDM) systems. The estimator exploits both the pilot symbols in the guard interval and on the pilot carriers, and takes the frequency selectivity of the fading channel into account. Our simulations indicate that the time delay estimator gives rise to only a small degradation of the bit error rate (BER) performance, as compared to a receiver with perfect synchronization

    Channel estimation and synchronization for orthogonal frequency division multiplexing with known symbol padding

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