Abstract

A new training symbol is designed and a novel time and frequency synchronization scheme for orthogonal frequency division multiplexing systems is proposed.The timing synchronization is accomplished by using the symmetric conjugate of the training symbol in the time domain and the frequency synchronization is finished by utilizing the good autocorrelation of the training symbol in the frequency domain.Simulation results show that the scheme gives very accurate estimates of symbol timing and carrier frequency offset and provides a very wide range of acquisition for the carrier frequency offset,outperforming other available methods.

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