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EPON技术原理
引用本文:雷承达,彭芳,郎为民,杨宗凯.EPON技术原理[J].光纤与电缆及其应用技术,2006(4):19-23.
作者姓名:雷承达  彭芳  郎为民  杨宗凯
作者单位:1. 中国地质大学,武汉,430074;武汉语言文化职业学院,武汉,430205
2. 武汉语言文化职业学院,武汉,430205
3. 华中科技大学,电子与信息工程系,武汉,430074
摘    要:EPON(以太网无源光网络)是面向下一代网络的接入技术,它是一个多业务平台,可以同时提供具有QoS(服务质量)保证的IP(互联网协议)业务和传统TDM(时分多路复用)业务.因此,采用EPON技术,运营商不仅可以在同一传输平台上根据用户的需要随时开通多种业务,而且易于向全IP业务网络过渡,为此介绍了EPON的体系结构,分析了EPON的上行链路和下行链路的传输原理.

关 键 词:以太网无源光网络  体系结构  下一代网络
文章编号:1006-1908(2006)04-0019-05
收稿时间:2005-09-26
修稿时间:2005-09-26

Principle of EPON
LEI Cheng-da,PENG Fang,LANG Wei-min,YANG Zong-kai.Principle of EPON[J].Optical Fiber & Electric Cable and Their Applications,2006(4):19-23.
Authors:LEI Cheng-da  PENG Fang  LANG Wei-min  YANG Zong-kai
Affiliation:1.China University of Geosciences, Wuhan 430074, China; 2. Wuhan Institute of Language and Culture, Wuhan 430205, China; 3. Department of Electronic and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Abstract:Ethernet passive optical network(EPON) is an access brand-new technology oriented to next generation network(NGN).It is a multi-service platform which can provide QoS-assured IP service and traditional time division multiplexing(TDM) service simultaneously.Therefore,based on EPON,operators can provide multi-services according to the requirements of subscribers and realize the transition to all-IP service network easily.Consequently,the architecture of EPON is introduced,and the transmission principle of downstream and upstream links is analyzed.
Keywords:EPON  architecture  next generation network(NGN)
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