A Coded Bit-Loading Linear Precoded Discrete Multitone Solution for Power Line Communication
Fahad Syed Muhammad (IETR), Jean-Yves Baudais (IETR),, Jean-Fran\c{c}ois H\'elard (IETR), Matthieu Crussi\`ere (IETR)

TL;DR
This paper proposes a coded adaptive LP-DMT system for power line communication that incorporates channel coding gains into bit and energy allocation, demonstrating improved performance over classical methods.
Contribution
It introduces a new bit and energy allocation algorithm for coded LP-DMT that accounts for channel coding gains in PLC, enhancing system performance.
Findings
Coded LP-DMT outperforms classical coded DMT in simulations.
The concatenated coding scheme improves error rate performance.
The proposed algorithm effectively utilizes channel coding gains.
Abstract
Linear precoded discrete multitone modulation (LP-DMT) system has been already proved advantageous with adaptive resource allocation algorithm in a power line communication (PLC) context. 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 PLC context with a loading algorithm which ccommodates 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 roposed algorithm is analyzed. 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…
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