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In this paper, two joint data-aided channel and frequency offset estimators are proposed for frequency-flat fast fading channels. The proposed estimators are based on cubic spline approximation and a two stage frequency estimation using a fast Fourier transform-based coarse search and dichotomous fine search. The first estimator relies on the Bayesian approach and by exploiting prior channel statistics...
This work presents a new technique for blind and joint estimation of symbol timing and carrier frequency offset in wireless orthogonal frequency division multiplexing (OFDM) systems. The joint estimation is achieved by sensing the interference introduced at the fast Fourier transform (FFT) output when a carrier frequency or timing offsets exist. The synchronization parameters are selected such that...
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