Frequency division modulation orthogonal to minimize noise in Smart Grid applications over power line communications

被引：0
|
作者：
Paz Penagos, Hernan [1 ]
机构：
[1] Escuela Colombiana Ingn JULIO GARAVITO, Grp Invest ECITRONICA, Docente Tiempo Completo, Bogota, Colombia
来源：
REVISTA ITECKNE | 2013年 / 10卷 / 02期
关键词：
PLC channel; narrowband communications; performance; noise; Smart Grid;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nowadays, Narrowband Power Line Communications Systems (NB-PLCS) in the frequency range below 500 KHz plays an important role in building up a smart grid. However, the PLC channel is noisy and timefrequency- varying; limitations that must be minimized to enable a good alternative for this application. This article is a comparative analysis of the PLC channel response to narrowband data transmission with modulation OFDM, FFT and DWT processed and simulated in MatlabO. The result was that the DWT processing technique, using noise filtering, has better performance for NB-PLC communications.
引用
收藏
页码：178 / 189
页数：12
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