基于OFDM技术的低压电力线通信的性能分析  

Analysis on the Performance of Low-voltage Power Line Communication Based on OFDM Technique

作　　者：张凌[1] 

机构地区：[1]华北电力大学,河北保定071003

出　　处：《现代电子技术》2007年第5期106-107,110,共3页Modern Electronics Technique

摘　　要：OFDM技术在高速电力线通信(PLC)中的应用正成为研究热点,他成功地解决了电力线通信技术中的大部分难点。首先论述了目前高速电力线通信技术所面临的种种问题,然后介绍了电力线通信中所采用的关键技术OFDM(正交频分复用)调制技术的工作原理,并详细分析了OFDM对电力线通信系统性能的改善,最后指出OFDM是一种非常适于电力线通信的调制解调技术。The application of OFDM to Power Line Communications（PLC） has been a focus in PLC research. Most of the problems in the PLC technology have been solved by OFDM. In this paper, some problems about the high speed PLC technology are discussed, then the basic principle of the key technique,OFDM technique, for power line communication is introduced. Furthermore, the application of OFDM for improving the power line communication systems is analyzed in detail. And it is coneluded that OFDM is a suitable technique for the power line communication.

关 键 词：电力线通信 0FDM 循环前缀 信道编码和交织 信道估计 

分 类 号：TN911[电子电信—通信与信息系统]