Fig. 11
From: Low-complexity adaptive iteration algorithm for frequency tracking in OFDM systems

Learning curves of the CFO estimator MSE for SLC-CFO, compared with Salim, for δ = 0.2 and 0.5 at SNR = 20 dB
From: Low-complexity adaptive iteration algorithm for frequency tracking in OFDM systems
Learning curves of the CFO estimator MSE for SLC-CFO, compared with Salim, for δ = 0.2 and 0.5 at SNR = 20 dB