A blind CFO estimator based on smoothing power spectrum for OFDM systems


Carrier frequency offset (CFO) estimation is a critical problem in orthogonal frequency-division multiplexing (OFDM) systems. This letter proposes a blind CFO estimator based on smoothing the signal power spectrum. A closed-form CFO estimate is also presented, which greatly reduces the computational complexity of the proposed method. Analysis and simulation… (More)
DOI: 10.1109/TCOMM.2009.07.070067


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