About the asymptotic performance of MMSE MIMO DFE for filter-bank based multicarrier transmission

Vandendorpe, Luc;Louveaux, Jérôme;Maison, B.;Chevreuil, A
(1999) IEEE Transactions on Communications —

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In the present letter, we investigate the asymptotic performance of a multi-input multi-output decision-feedback (DF) equalizer used to detect a multicarrier (MC) signal based on a filter bank and transmitted over a linear dispersive channel. We derive the optimum DF structure for a minimum-mean square-error criterion. We basically show that with infinite length forward and feedback filters and at high signal-to-noise ratio, the geometrical mean of prediction errors does not depend on the paraunitary filter bank used in the transmitter. Hence, it appears that uncoded filter-bank based MC transmission and single carrier transmission, both used over the same channel and with optimum DF, lead to the same achievable bit rate.
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Vandendorpe, L., Louveaux, J., Maison, B., & Chevreuil, A. (1999). About the asymptotic performance of MMSE MIMO DFE for filter-bank based multicarrier transmission. IEEE Transactions on Communications. https://doi.org/10.1109/26.795815