OFDM技术及其在电力线通信的应用  

OFDM technology and its application on powerline communications

作　　者：汪晓岩[1] 易浩勇[1] 樊昊[1] 孙荣久[1] 

机构地区：[1]国家电力公司电力自动化研究院,江苏南京210003

出　　处：《电力系统通信》2001年第12期1-7,11,共8页Telecommunications for Electric Power System

摘　　要：回顾了OFDM技术发展历史 ,介绍了OFDM技术的原理及其优缺点 ,总结了实现OFDM系统的关键技术 ,如减小PAPR值算法、同步算法和自适应OFDM技术。针对OFDM技术优点 。A historical perspective of OFDM technology is reviewed,and its advantages and disdvantages are given in this paper.The important problems,such as power peak to mean ratio,synchronization and interference,are discussed in the paper when OFDM technology is employed.The foreground on its application on powerline communications is prospected in the end.

关 键 词：OFDM技术 功率峰均值比 电力线通信 频分复用 扩频通信 

分 类 号：TM73[电气工程—电力系统及自动化] TN914.42[电子电信—通信与信息系统]