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On timing offset estimation for OFDM systems

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3 Author(s)
Minn, H. ; Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada ; Zeng, M. ; Bhargava, V.K.

Two timing offset estimation methods for orthogonal frequency division multiplexing (OFDM) systems as modifications to Schmidl and Cox's method (see IEEE Trans. Commun., vol.45, p.1613-21, 1997) are presented. The performances of the timing offset estimators in additive white Gaussian noise channel and intersymbol interference channel are compared in terms of estimator variance obtained by simulation. Both proposed methods have significantly smaller estimator variance in both channel conditions.

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Communications Letters, IEEE  (Volume:4 ,  Issue: 7 )