NDLI: Coded adaptive linear precoded discrete multitone over PLC channel

Content Provider	IEEE Xplore Digital Library
Author	Muhammmad, F.S. Baudais, J.-Y. Helard, J.-F. Crussiere, M.
Copyright Year	2008
Description	Author affiliation: Inst. of Electron. & Telecommun. of Rennes, Rennes (Muhammmad, F.S.; Baudais, J.-Y.; Helard, J.-F.; Crussiere, M.)
Abstract	Discrete multitone modulation (DMT) systems exploit the capabilities of orthogonal subcarriers to cope efficiently with narrowband interference, high frequency attenuations and multipath fadings with the help of simple equalization filters. Adaptive linear precoded discrete multitone (LP-DMT) system is based on classical DMT, combined with a linear preceding component. In this paper, we investigate the bit and energy allocation algorithm of an adaptive LP-DMT system taking into account the channel coding scheme. A coded adaptive LP- DMT system is presented in the power line communication (PLC) context with a loading algorithm which accommodates the channel coding gains in bit and energy calculations. The performance of a concatenated channel coding scheme, consisting of an inner Wei's 4-dimensional 16-states trellis code and an outer Reed-Solomon code, in combination with the proposed algorithm is analyzed. Theoretical coding gains are derived and simulation results are presented for a fixed target bit error rate in a multicarrier scenario under power spectral density constraint. Using a multipath model of PLC channel, it is shown that the proposed coded adaptive LP-DMT system performs better than coded DMT and can achieve higher throughput for PLC applications.
Starting Page	123
Ending Page	128
File Size	496637
Page Count	6
File Format	PDF
ISBN	9781424419753
DOI	10.1109/ISPLC.2008.4510410
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-02
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Programmable control OFDM modulation Adaptive systems Channel coding Narrowband Interference Frequency Attenuation Fading Filters resource management linear precoded discrete multitone (LP-DMT) multiaccess communications power line communications (PLC)
Content Type	Text
Resource Type	Article

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