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Non-data-aided carrier-frequency offset estimation for pulse-shaping OFDM/OQAM systems by Tilde Fusco; Angelo Petrella; Mario Tanda is a scholarly article available to read on EtoBox.

What is Non-data-aided carrier-frequency offset estimation for pulse-shaping OFDM/OQAM systems about?

In this paper we consider the problem of blind carrier-frequency offset (CFO) estimation for pulse-shaping orthogonal frequency-division multiplexing (OFDM) systems based on offset quadrature amplitude modulation (OQAM). In particular, under the assumption of low signal-to-noise ratio, three maximum-likelihood (ML) CFO estimators for nondispersive channels are derived. Due to their significant computational complexity a more feasible closed-form CFO synchronization algorithm is considered. The performance of the derived blind estimators is assessed via computer simulations and compared with that of a blind CFO estimator previously proposed in the literature, exploiting the secondorder cyclostationarity property of the OFDM/OQAM signal.

Author

Tilde Fusco; Angelo Petrella; Mario Tanda

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0165-1684)

Published

2008

Language

EN