Fractionally spaced linear and decision-feedback detectors fortransmultiplexers

Authors:
L. Vandendorpe;L. Cuvelier;F. Deryck;J. Louveaux;O. van de Wiel
Affiliations:
UCL Commun. & Remote Sensing Lab., Louvain-la-Neuve;-;-;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
1998

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Abstract

We investigate improved detectors for transmultiplexer-based high bit rate transmission over dispersive channels like telephone wires. The transmitter is based on a synthesis stage. For the receiver, we design fractionally spaced single-input/multiple-output linear detectors, possibly upgraded with a multiple-input/multiple-output decision-feedback section, for an MMSE criterion. The performance of the system is investigated for filter banks, classical DMT, and different channels. The potential of these detectors is demonstrated,