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Blind recursive tracking of carrier frequency offset (CFO) vector in MC-CDMA systems

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Academic year: 2021

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Fig. 1. The update order of estimates in the proposed recursive algorithm at each symbol block m.
Fig. 2. The tracking behavior of the real and the imaginary parts of the first element of f m|m(1) in the training mode.
Fig. 5. The MSE of the estimate ˆ f m|m as a function of time for different E b /N o in the blind scenario.
Fig. 8. The BEP performance of the MC-CDMA system in the blind scenario employing the proposed recursive algorithm and Li-Liu’s scheme [9] with ε 1 = 0.1, N = 8, K = 5, and L = 5.

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