毕业论文 光纤技术再接入网中的应用.doc

毕业论文
光纤通信技术在接入网中的应用
毕业论文中文摘要
题目: 光纤通信技术在接入网中的应用
摘要: 信息产业是当今世界经济领域中最具有活力和竞争力的产业之一,它影响着人类的生活方式和生活质量。接入网是用户网进入城域网/骨干网的桥梁。随着 SDH 技术的大规模推广应用和 ATM 技术的发展,电信网的主干网已经基本上实现了光纤化、宽带化和数字化。
本文首先对接入网技术做了概述。通过对定义、物理参考模型、接入技术、发展趋势等相关内容的简要介绍,说明了光纤接入网是接入网技术发展的必然趋势。然后,本文深入研究了铜线接入和光纤接入这两种接入网的接入技术,着重研究光纤接入尤其是无源光网络(PON--Passive work) 和目前主流的
FTTx (Fiber To The x) 。接着,本文对"光进铜退"的解决方案进行了阐述。主流运营商的第一公里接入网络仍然主要以双绞线铜缆网络为主,为了满足日益增长的带宽需求,实现光纤接入,现有的铜缆接入网就必须进行改造。
关键词: 接入网光纤通信 PON
毕业设计外文摘要
Title: 0otical munication technology aoolication in work
Abstract: Information industry is the world' s economy the most dynamic petitive industries in the world,it affects the way people live and the quali ty of life. work is the work access to
metro/ backbone bridge. With the popularization and application of SDH technology and large-scale development of ATM technology, work backbone has been basically realized fiber,
broadband and digital.
Firstly,an overview of work technology. By defini tion,the physical reference model,trends and other related content outline indicat ing the work,optical work is the inevitable trend of technological development. Secondly,this in-depth study of the
copper access and optical access to both the work access technology, and focused on particular passive optical fiber works (PON - Passive work) and the current mainstream FTTx
(Fiber To The x/some place) . Then,the paper HLight of CopperH solution
for specific research and analysis. mainstream operators first kilometer works are still largely dominated by twisted pair work, to achieve optical access, Finally,on the optical work technologies are introduced,consistent with TMN requirements about the work management system structure and function, and the
realization of the work work management.
KEY WORDS:work,optical munication,PON
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