摘要
正交频分复用(OFDM)是一种多载波调制技术,用来解决各种无线和有线通信系统中因信道色散引起的符号间干扰问题。近年来的研究表明OFDM在光纤通信方面也极有前途,可以用于超大容量的长距离光纤传输、可变带宽光交换和100Gbit/s高速光接入。本讲座分3期对该技术进行介绍:第1期讲述光正交频分复用的发展历史、基本原理和在光传输方面的应用;第2期讲述基于光正交频分复用的高速光接入;本期讲述利用光正交频分复用实现的可变带宽光交换。
出处
《中兴通讯技术》
2011年第6期56-61,共6页
ZTE Technology Journal
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