A carrier frequency offset estimator with minimum output variance for OFDM systems

@article{Yang2004ACF,
  title={A carrier frequency offset estimator with minimum output variance for OFDM systems},
  author={Feng Yang and Kwok Hung Li and Kah Chan Teh},
  journal={IEEE Communications Letters},
  year={2004},
  volume={8},
  pages={677-679}
}
In this letter, we propose a blind carrier frequency offset (CFO) estimator with high resolution and high bandwidth efficiency for orthogonal frequency-division multiplexing (OFDM) systems. The proposed estimator utilizes minimum output variance to estimate CFO. Simulation results show that the proposed estimator is highly accurate and reliable for OFDM systems. 
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