【作者】 张翼；

【导师】 许渤； 廖露华；

【作者基本信息】 电子科技大学 ， 电子与通信工程（专业学位）， 2016， 硕士

【摘要】 在科技快速发展的时代,其最显著的一个标志就是通信技术的快速发展,通信技术使得人与人之间的交流更加便捷,随着通信技术的发展变迁,通信工具及通信方式也发生了翻天覆地的变化。随着4G时代的全面发展,各种IP业务和附加增值业务的开展,用户不单单只需求基础业务,其要求运营商为用户提供各种涉及业务宽带、流量服务等网络产品的需求也与日俱增,这样一来就要求运营商提供容量大、质量高的通信的传送网络。然而通信传送网在经历了通信技术的几个阶段的变迁后,原有的通信传送网络技术已经无法满足用户的需求,这样一来,运营商就必须从网络传送容量以及网络传送质量入手,进行原有的通信传送网完善。因此把握好通信传送技术的未来发展方向,对满足人们日益增长的通信需求,及对通信技术的发展有着重要的指引作用。本文所探讨的成都移动城域骨干传送网传输系统是成都移动本地通信网的基本组成单位,它为成都移动通信网络所承载的各种通信业务提供了传输通道和传输平台。在成都移动的网络内,不管是原有的基础固话业务,还是现阶段快速发展的移动通信业务,都从传统的电路交换模式向IP化模式发展。在这种情况下,成都移动传送网原有的传输体系已经不能满足各项业务的发展需求,导致了巨大的运营损失。这样一来,必须有新的传送模式引入成都移动城域传送网的实际运营中。对成都移动城域骨干传送网传输系统的扩容,有着非常重要的意义,它不仅可以对成都移动未来发展业务提供基本的传送支撑,还可以促进整个成都范围内的通信质量的提升。论文对成都移动传送网的业务进行了详细的需求分析和承载方式分析,并结合成都本地核心汇聚网的网络结构,对成都移动城域骨干传送网传输系统的扩容必要性进行了阐述。介绍了成都移动骨干传送网所使用的SDH(Synchronous Digital Hierarchy,同步数字体系)、OTN(Optical Transport Network,光传送网)、PTN(Packet Transport Network,分组传送网)技术、分析了相关传送技术所涉及的设备指标、网络指标,简述了各类传送技术的特点,并对各类传送技术在成都移动城域骨干传送网中的网络架构进行分析。本论文根据对成都移动城域骨干传送网传输系统的综合分析,结合本地网的现状以及业务发展的预估分析,确定需要扩容的带宽规模,对系统工程实施中的设备选型及各种配套环境的规范做出严格要求,确保工程完工后满足设计要求。更多还原

【Abstract】 The rapid development of communication technology has enabled more conveneitn interpersonal communication, which is the most significant symbolization of the scientific advancement. With the evolution of communication technology, tools and means of communication are undergoing dramatic changes. The comprehensive development of 4G era, IP services and additional value-added services has urshered in users’ increasing demand for various online products such as broadband services and dataflow services despite of demand for basic services, which requires the operator to provide a transport network with high capacity and quality. After several evolutions, previous network transmission technology now fails to satisfly the users. Therefore, operators have to start from the increament of the capacity and quality of online transmission, and improve the original transmission network. Therefore, the future improvement of communication transmission technology not only meets people’s increasing demand for communication, but also serves as guidance for the development of communication technology.The metropolitan backbone transmission system of Chengdu CMCC in this dissertation is the basic component of the local communication network of Chengdu CMCC, which offers transmission channels and platforms for the various communication services of Chengdu mobile communication network. Within the network of Chengdu CMCC, both pervious basi fixed communication services and current fast-growing mobile communication services are changing from tranditional circuit swith mode to IP mode. Under this background, pervious transmission system of Chengdu mobile transmission network no longer meets the need of all services, causing tremendous operating loss. Therefore, new transmission mode shall be introduced into the real operation of the metropolitan backbone transmission network of Chengdu CMCC.Expansion of the metropolitan backbone transmission system of Chengdu CMCC has great significance: it not only supports the future services of Chengdu CMCC in its transmission, but also promotes the enhancement of the communication quality in the whole Chengdu region. This dissertation first carefully analyzes the demands for and bearers of the services of Chengdu CMCC, then by combining the network structure of the Chengdu local Core converged network; it illustrates the necessity of expanding the metropolitan backbone transmission system of Chengdu CMCC. Next it introduces SDH(Synchronous Digital Hierarchy), OTN(Optical Transport Network), and PTN(Packet Transport Network) technology, studies the relevant transmission equipment indicators, networkd indicators, briefs features of different transmission technologies, and analyzes the network structure of different transmission technologies in the metropolitan backbone transmission system of Chengdu CMCC.Through comprehensive analysis of the metropolitan backbone transmission system of Chengdu CMCC, combining the current situation of local network and future services estimation, this dissertation has concluded the size of the bandwidth, made strict requirements for the equipment selections, and matching settings, and ensured that the completion of the project would meet the requirments of the design.更多还原