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Fractionally spaced linear and decision-feedback detectors for transmultiplexers

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5 Author(s)
Vandendorpe, L. ; UCL Commun. & Remote Sensing Lab., Louvain-la-Neuve, Belgium ; Cuvelier, L. ; Deryck, F. ; Louveaux, J.
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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,

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Signal Processing, IEEE Transactions on  (Volume:46 ,  Issue: 4 )