1、 毕业论文毕业论文 作者 学号 系部 通信学院 专业 移动通信(3G 技术与基站工程) 题目 光纤通信技术在接入网中的应用 指导教师 XXX 评阅教师 完成时间: 2013 年 5 月 15 日 毕业论文中文摘要毕业论文中文摘要 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
2、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(PONPassive Optical Network)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 。 关键词关键词: 接入网 光纤通信 PON 毕业设计外文摘要毕业设计外文摘要 TitleTitle: optical fiber c
3、ommunication technology application in access network Abstract:Information industry is the worlds economy the most dynamic and competitive industries in the world, it affects the way people live and the quality of life. Access network is the user network access to metro/backbone bridge. With the pop
4、ularization and application of SDH technology and large-scale development of ATM technology, telecommunications network backbone has been basically realized fiber, broadband and digital. Firstly, an overview of access network technology. By definition, the physical reference model,trends and other r
5、elated content outline indicating the access network, optical access network is the inevitable trend of technological development. Secondly, this in-depth study of the copper access and optical access to both the access network access technology, and focused on particular passive optical fiber acces
6、s networks (PON - Passive Optical Network) and the current mainstream FTTx (Fiber To The x/some place) .Then, the paper “Light of Copper“ solution for specific research and analysis. mainstream operators first kilometer access networks are still largely dominated by twisted pair copper network, to achieve optical access, Finally, on the optical access network technologies are introduced, consistent with