A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels

In this paper, we present a finite-granularity, loading algorithm for a discrete multitone (DMT) modulation system. The proposed algorithm offers significant implementational advantages over the well-known water-pouring method and the earlier Hughes-Hartogs algorithm, while typically suffering only...

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Bibliographic Details
Published in:IEEE transactions on communications 1995-02, Vol.43 (2/3/4), p.773-775
Main Authors: Chow, P.S., Cioffi, J.M., Bingham, J.A.C.
Format: Article
Language:English
Subjects:
Applied sciences
Degradation
DSL
Exact sciences and technology
OFDM modulation
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transceivers
Transmission and modulation (techniques and equipments)
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Summary:In this paper, we present a finite-granularity, loading algorithm for a discrete multitone (DMT) modulation system. The proposed algorithm offers significant implementational advantages over the well-known water-pouring method and the earlier Hughes-Hartogs algorithm, while typically suffering only negligible performance degradation relative to the optimal solution. We also present simulation results of this loading algorithm applied to the newly proposed asymmetric digital subscriber lines (ADSL) service.< >
ISSN:0090-6778
1558-0857
DOI:10.1109/26.380108