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所在平台: Udemy |
课程主页: https://www.udemy.com/course/introduction-to-telecom-networks-wireless-networks-ims-pstn-voip-ftth/
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课程名称：电信网络入门：固定/无线网络 课程概述：现代电信网络由许多传统技术与最新一代固定和移动架构相结合，构成了复杂的系统。本课程旨在为新入行的电信行业人士提供基础知识，使他们能够更深入地探索电信生态系统。课程全面涵盖基础概念、网络架构及现代服务环境的技术细节，适合需要更深入理解网络运作的IT及无线移动技术相关从业人员。 目标人群： - 电信行业专业人士 - 电信学生 - 网络学习者 课程内容概要： 1. 公共交换电话网络 - PSTN的引入与演变 - PSTN交换机层次结构与本地交换的信号处理 - 数字交换中的脉冲编码调制及相关标准 2. 互联网及其架构 - 互联网的基本构件与网络结构 - 通过层次化的方法解决网络复杂性 3. 电信网络的分层架构 - 传统与现代电信网络的比较 4. IP网络 - IP地址格式与路由器的功能 - IP地址分配策略与更高效的路由管理 5. 语音传输技术（VOIP） - VOIP基础与软交换技术 - 媒体网关及会话发起协议(SIP)的应用 6. 移动/蜂窝系统：4G LTE - 从1G到5G的演进 - 4G LTE网络的架构与组成部分 7. 光纤接入网络（OFAN）及其技术 - PON技术的工作原理及优势 - 光纤与xDSL的比较 8. 基于稠密波分复用（DWDM）的光纤传输网络 - DWDM系统的优势与波分复用技术 - 相关设备与技术，如光放大器和可重构光添加/删除复用器（ROADMs） 本课程提供100%退款保证，为各类学员构建了扎实的电信网络知识基础。
Today's telecommunications networks are complex mixtures of legacy technologies, coupled with the latest generation of both fixed and mobile architectures. This course seeks to provide a starting point to those people who are new to the telecoms industry, providing them with a foundation of knowledge which will allow them to explore the telecommunications ecosystem in greater detail. As such, the course is all encompassing, providing technical detail on fundamental concepts, network architectures and finally, today's services environment.This course covers fundamental aspects of telecommunication networking. It is also designed to address the needs of those involved in various aspects of IT and wireless and mobile technologies who need to understand how networks work in slightly deeper and more detailed manner. The course comes with 100% MONEY-BACK GUARANTEE.This course is targeted for:Telecom professionalsTelecom studentsNetworking studentsSection 1: Public Switched Telephone Networks Introduction to Public Switched Telephone Network (PSTN) Evolution of PSTN PSTN Exchanges Hierarchy Block Diagram of a Local Exchange/Central Office What is PSTN Local loop? Signaling in Local loop:Off-hook & On-hook states Signaling in Local loop:Incoming Call (Ring) Frequency Division Multiplexing (FDM) Hierarchy Standar on Analogue Trunk Lines Digital Exchanges: A-to-D Conversion using Pulse Coded Modulation (PCM) E-1 and T1 standards for TIme Division Multiplexing in Digital exchange Plesiochronous Digital Hierarchy (PDH) Signaling System 7 (SS7) in PSTN Signaling Points (SP) and Point Code (PC) Service Switching Point (SSP) Signal Transfer Point (STP) Service Control Point (SCP)Section 2: Internet and its Architecture Nuts and Bolts of Internet Internet Structure: Network of Networks How to Solve the Complexity of Internet/Computer Networks? Layered Approach To Solve Complexity: Air Travel Example Internet Protocol (IP) Stack Physical Layer Datalink Layer Network Layer Transport Layer Application LayerSection 3: Layered Architecture of Telecommunication Networks Legacy Telecommunication Networks Modern Telecommunication NetworksSection 4: IP NetworksEditDelete Structure of an IP Network IP Address Format for IPv4 Two Key Functions of Router: Routing and Forwarding IP Range Aggregation and Longest Prefix Matching in Routing Tables IP Addressing: A Data Network Example IP Addressing: What is an interface? IP Addressing: Subnets Example: How many Subnets? Internet IP Address Assignment Strategy Hierarical Addressing: More Efficient RoutingEditDeleteSection 5: Voice Over IP (VOIP) Technology Introduction to Voice Over IP (VOIP) What is Softswitch? Media Gateway (MG) Signaling Gateway (S-GW) Media Gateway Controller (MGC) Separation Of Media and Call Control Media Gateway Control (MEGACO) Protocol Call Flow Using MEGACO/H.248 Session Initiation Protocol (SIP) for Inter MGC signaling Class 4 and Class 5 Softswicthes IP Multimedia Subsystem (IMS) What is IP Multimedia Subsystem (IMS) IMS Features IMS Architecture-Different Layers IMS Control Layer: CSCF, HSS, MRF, MGCF, BGCF Call Session Control Functions (CSCFs): P (Proxy)-CSCF Call Session Control Functions (CSCFs): I (Interrogating)-CSCF Call Session Control Functions (CSCFs): S (Serving)-CSCF Application Servers (ASs) in IMS Protocols Used in IMS Session Initiation Protocol (SIP) in IMS Services Provided by SIP SIP Methods User Registration in IMS End-to-end SIP Signalling Path for Call Setup IMS Call Setup SignallingSection 7: Mobile/Cellular Systems: 4G LTE Mobile Communication Systems Evolution from 1G to 5G The Cellular Concept Handover Concept Three Major parts of 4G LTE network Evolution to an all IP system in 4G Overall 4G EPS architecture Evolved NodeB (eNB) 4G EPS Bearer Mobility Management Entity Serving Gateway (S-GW) Packet Data Network Gateway (P-GW) Policy And Charging Rules Function Policy And Charging Enforcement Function Home Subscriber Server (HSS) Introduction to VoLTE using IMS IP Multimedia Subsystem (IMS) in 4G VoLTESection 8: Optical Fiber Access Networks (OFAN) using PON/FTTH Whats PON in Optical Fiber Access Networks? Working Principle Of PONE Optical Distribution Network Advantages of PON Technology xDSL Vs PON (FTTC, FTTB, FTTH ) The Evolution of ITU-T PON standards GPON Principle-Wavelength Division Multiplexing GPON Principle-Downstream Data GPON Principle-Upstream DataSection 9: Optical Fiber Transmission Networks Using DWDM Systems Why Dense Wavelength Division Multiplexing (DWDM) Systems Wavelength Division Multiplexing (WDM) Concept Advantage of WDM Technology Wavelength Spectrum For Optical Fiber Communication Transponder in DWDM Optical Supervisory channel Optical Add Drop Multiplexer (OADM) What is an Optical Amplifier and its types Manipulating Wavelengths 1). Point-to-Point DWDM 2) Fixed Optical Add Drop Multiplexers (FOADMs) 3) Reconfigurable Optical Add Drop Multiplexers (ROADMs)
