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A method for time synchronization is proposed for OFDM based WLAN systems. The proposed method has a comparable performance as an existing approach, but requires less computation. The first half of the long-symbol guard interval needs to be zero padded for the development of the new method.
In this paper, an estimated weighting factor and two symbol timing estimators are proposed for timing synchronization of cyclic prefixed OFDM systems. The performance of the proposed estimators is assessed through computer simulations, and compared with that of the van de Beek's estimator and Muller's estimator. Experiments demonstrate that one of the proposed estimators outperforms Muller's and yields...
We present two new blind symbol time and carrier frequency offset estimators for OFDM systems, in a AWGN channel. The proposed estimators do not require the prior knowledge of the signal and noise powers at the receiver and can be a substitute for an existing ML estimator
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