Course Details
Subject {L-T-P / C} : EC6513 : Telecommunication and Switching Networks { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Santos Kumar Das
Syllabus
Introduction: Evolution of Telecommunication, Switching System, Classification of Switching, Types of Telephone Switching Systems, Elements of Telecommunication, Telecommunication Standard. Telephone System: PSTN, Modern Telecom System, Telephone Network, Telephone Set, Telephone Network organization, Principles and examples of step by step, Cross bar and reed relay systems, Telephone numbering plan, Central Battery System, Transmission impairments, Two-four-wire transmission, Subscriber Loop Design. Telecommunication traffic: Telecommunication traffic, Traffic considerations, Erlang, Grade of Service, Traffic Measurement, Mathematical model for telecommunication traffic. Switching System: Resource sharing and need for switching, Need for Networks, Switching, Types of Switching, Circuit Switching, Message Packet Switching, Store & Forward Switching, Function of Switching System, Electronic Switching System, Multiplexing, IDM (E1/E2. TI), FDM, Implementation of Switching System, Blocking and Non-blocking Switches, Single & Multi stage Switches, Space Switching, Time Switching, Hybrid Switching, Path finding, Complexity, Blocking Probability of Switch. Telephone Exchange: Stored Program Controlled Exchange, Electronic Exchange, Electronic Switching & Stored Program Control Systems, Digital Switching Time, Space & Hybrid Switches, Example of Digital Exchanges, Example of Modern Exchanges (C-DOI exchange), Availability of Parallel Exchange. Signaling Systems: Signaling, Types of Signaling information, Forms of Signaling, Channel Associated Signaling (CAS), Common Channel Signaling, CCITT No-7 System, SS7 Signaling, Architecture Computer & Data Networks, ARPANET, ALOHA-Toke Protocols Network Topology, Multiple Access Schemes, Layered Architectures, Networks Protocols, Local Area Network, Evolution towards ISDN.
Course Objectives
- Different components of telecommunication are explained.
- Telecommunication traffic is measured by considering the mathematical model for network traffic.
- Different signaling systems are explained.
Course Outcomes
1. Telephone system is described which includes PSTN, modern telephone system, telephone network. <br />2. Working principle of Telephone exchange is described by considering different switching system and power control mechanism. <br />3. Multiple access systems and different network protocol are described.
Essential Reading
- J. E. Flood,, Telecommunication and Switching Traffic & Networks, Pearson Education , 2001
- Thiagarajan Viswanathan, Telecommunication Switching Systems & Networks, PHI , 2006
Supplementary Reading
- John G. van Bose and Fabrizio u devetak, Signaling in Telecommunication Networks, Wiley interscience. 2nd edition , 2007
- Roger L. Freeman, Telecommunication System Engineering: Analog and Digital Network Design, John Wiley & Sons.