Multirate systems and filter banks
Multirate systems and filter banks
Orthogonalization of OFDM/OQAM pulse shaping filters using the discrete Zak transform
Signal Processing - From signal processing theory to implementation
A subspace-based approach to blind channel identification in pulseshaping OFDM/OQAM systems
IEEE Transactions on Signal Processing
Non-Data-Aided Timing Recovery for Filter-Bank Multicarrier Wireless Communications
IEEE Transactions on Signal Processing
A fine blind frequency offset estimator for OFDM/OQAM systems
IEEE Transactions on Signal Processing
Packet format design and decision directed tracking methods for filter bank multicarrier systems
EURASIP Journal on Advances in Signal Processing - Special issue on filter banks for next-generation multicarrier wireless communications
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In this paper we deal with the problem of data-aided symbol timing estimation for orthogonal frequency division multiplexing systems based on offset-QAM modulation (OFDM/OQAM). Specifically, a data-aided joint phase offset and symbol timing estimator, based on the least squares (LS) approach, exploiting the conjugate-symmetry property of a properly designed training symbol, is derived. Since the phase estimate is in closed form, the symbol timing estimate requires only an one-dimensional maximization procedure. The derived LS estimator does not require the knowledge of the prototype filter and, moreover, its performance, is independent of the carrier frequency offset.