Independent component analysis: algorithms and applications
Neural Networks
Explicit evaluations and reciprocity theorems for finite trigonometric sums
Advances in Applied Mathematics
ML estimation of time and frequency offset in OFDM systems
IEEE Transactions on Signal Processing
Total intercarrier interference cancellation for OFDM mobile communication systems
CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
Wireless Personal Communications: An International Journal
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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 results show that the proposed estimator is very effective for OFDM systems.