ET3002 Telecommunication Switching and Networks Syllabus:
ET3002 Telecommunication Switching and Networks Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
To Understand basic and some advanced concepts and techniques of telecommunications networks and digital hierarchy namely SONET / SDH.
To introduce the concepts of different types of switching.
To introduce the need for network synchronization and study synchronization issues.
To introduce ISDN, DSL / ADSL, and fiber optic systems in subscriber loop.
To introduce a mathematical model for the analysis of telecommunication traffic.
UNIT I INTRODUCTION TO TELECOMMUNICATION
Introduction: Evolution of telecommunications, simple telephone communication, manual switching system, strowger switching system, crossbar switching; Electronic Space Division Switching: Stored program control, centralized SPC, distributed SPC. SONET/SDH: SONET Multiplexing Overview, SONET Frame Formats, SONET Operations, Administration and Maintenance, Payload Framing and Frequency Justification, Virtual Tributaries, DS3 Payload Mapping, E4 Payload Mapping, SONET Optical Standards, SONET Networks.
UNIT II DIGITAL SWITCHING
Switching Functions, Space Division Switching, Time Division Switching, two-dimensional Switching: STS Switching, TST Switching, No.4 ESS Toll Switch, Digital Cross-Connect Systems,Digital Switching in an Analog Environment. Elements of SSN07 signaling.
UNIT III NETWORK SYNCHRONIZATION CONTROL AND MANAGEMENT
Timing: Timing Recovery: Phase-Locked Loop, Clock Instability, Jitter Measurements, SystematicJitter. Timing Inaccuracies: Slips, Asynchronous Multiplexing, Network Synchronization, U.S.Network Synchronization, Network Control, Network Management.
UNIT IV DIGITAL SUBSCRIBER ACCESS
Integrated Services Digital Network,High-Data-Rate Digital Subscriber Loops: Asymmetric Digital Subscriber Line, VDSL. Digital LoopCarrier Systems: Universal Digital Loop Carrier Systems, Integrated Digital Loop Carrier Systems,Next-Generation Digital Loop Carrier, Fiber in the Loop, Hybrid Fiber Coax Systems, Voice bandModems: PCM Modems, Local Microwave Distribution Service, Digital Satellite Services.
UNIT V TRAFFIC ANALYSIS
Traffic Characterization: Arrival Distributions, Holding Time Distributions, Loss Systems, NetworkBlocking Probabilities: End-to-End Blocking Probabilities, Overflow Traffic, Delay Systems:Exponential service Times, Constant Service Times, Finite Queues, Tandem Queues.
TOTAL :45 PERIODS
COURSE OUTCOMES:
CO1: Have knowledge about telecommunication and digital hierarchy, SONET/SDH
CO2: Differentiate the different types of digital switching.
CO3: Have knowledge about the network control and management issues
CO4: Obtain knowledge about ISDN, DSL / ADSL, and fiber optic systems in subscriber loop.
CO5: Have knowledge about the blocking system characteristics and queuing system characteristics.
TEXT BOOKS
1. Bellamy John, “Digital Telephony”, John Wily & Sons, Inc. 3rd Edition. 2000
REFERENCES
1. Viswanathan. T., “Telecommunication Switching System and Networks”, Prentice Hall of IndiaLtd., 1994.
2. Telecommunication switching, Traffic and Networks – J E Flood, Pearson Education, 2002.
3. Wayne Tomasi Advanced electronic communications systems -, PHI, 2014.