Introduction To Telecom Networks: Fixed/Wireless Networks

PSTN, Voice Over IP Systems (Softswitch, IMS), Internet, Mobile/cellular systems, Optical Fiber Systems (OFAN, DWDM)

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.

What you’ll learn

  • Modern Telecom/Telecommunication Networks.
  • Public Switched Telephony Network (PSTN).
  • Voice over IP (VOIP) Systems.
  • Softswitch based VOIP Systems.
  • IP Multimedia Subsystems (IMS) based VOIP Networks.
  • Modern Telecom/Telecommunication Networks.
  • Internet Architecture, IP based Networks.
  • Mobile Communication Systems.
  • Cellular Communication Systems.
  • Optical Fiber Access Networks: FTTH/PON.

Course Content

  • Legacy Public Switched Telephone Networks –> 16 lectures • 35min.
  • Internet and its Architecture –> 12 lectures • 26min.
  • Layered Architecture of Telecommunication Networks –> 2 lectures • 3min.
  • IP Networks –> 10 lectures • 27min.
  • Voice Over IP (VOIP) Technology –> 10 lectures • 24min.
  • IP Multimedia Subsystem (IMS) –> 15 lectures • 31min.
  • Mobile/Cellular Systems: 4G LTE Mobile Communication Systems –> 17 lectures • 55min.
  • Optical Fiber Access Networks (OFAN) using PON/FTTH –> 9 lectures • 25min.
  • Optical Fiber Transmission Networks Using DWDM Systems –> 12 lectures • 30min.

Auto Draft

Requirements

  • Be ready to learn,.
  • A Computer or laptop with internet connection.
  • Basics concepts of electrical engineering/IT/communication.

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 professionals
  • Telecom students
  • Networking students

Section 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 Layer

Section 3: Layered Architecture of Telecommunication Networks
Legacy Telecommunication Networks
Modern Telecommunication Networks

Section 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 RoutingEditDelete

Section 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 Signalling

Section 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 VoLTE

Section 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 Data

Section 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)

 

Get Tutorial