A CODED BIT-LOADING LINEAR PRECODED DISCRETE MULTITONE SOLUTION FOR POWER LINE COMMUNICATION

被引：0
|
作者：
Muhammmad, Fahad Syed [1 ]
Baudais, Jean-Yves [1 ]
Helard, Jean-Francois [1 ]
Crussiere, Matthieu [1 ]
机构：
[1] Inst Elect & Telecommun Rennes, F-35043 Rennes, France
来源：
2008 IEEE 9TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, VOLS 1 AND 2 | 2008年
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 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. 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 classical coded discrete multitone.
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页码：555 / 559
页数：5
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