JNTUH B.Tech 4th Year 2 sem Electronics and Communication Engineering R13 (4-2) Telecommunication Switching Systems and networks (Elective – IV) R13 syllabus.

JNTUH B.Tech 4th year (4-2) Telecommunication Switching Systems and networks gives you detail information of Telecommunication Switching Systems and networks (Elective – IV) R13 syllabus It will be help full to understand you complete curriculum of the year.

Course objectives

The following are the course objectives

• To learn Switching, Signaling and traffic in the context of telecommunication network.
• To expose through the evolution of switching systems from manual and electro mechanical systems to stored-program-controlled digital systems.
• To study signaling, packet switching and networks.

UNIT -I

Switching Systems: Evolution of Telecommunications; Basics of a Switching System; Functions of a Switching System; Crossbar Switching-Principle of Crossbar Switching; Crossbar Switch Configurations; Cross-Point Technology; Crossbar Exchange Organization; A General Trunking; Electronic Switching; Digital Switching Systems. Telecommunications Traffic: Introduction; The Unit of Traffic; Congestion; Traffic Measurement; A Mathematical Model; Lost-Call Systems-Theory; Traffic Performance; Loss Systems in Tandem; Use of Traffic Tables; Queuing Systems-The Second Erlang Distribution; Probability of Delay; Finite Queue Capacity; Some Other Useful Results; Systems with a Single Server; Queues in Tandem; Delay Tables; Applications of Delay Formula.

UNIT -II

Switching Networks: Single Stage Networks; Gradings-Principle; Two Stage Networks; Three Stage Networks; Four Stage Networks

Time Division Switching: Basic Time Division Space Switching; Basic Time Division Time Switching; Time Multiplexed Space Switching; Time Multiplexed Time Switching; Combination Switching; Three Stage Combination Switching. Control of Switching Systems: Call Processing Functions-Sequence of Operations; Signal Exchanges; State Transition Diagrams; Common Control; Reliability; Availability and Security; Stored Program Control.

UNIT -III

Signaling: Introduction; Customer Line Signaling; Audio Frequency Junctions and Trunk Circuits; FDM Carrier Systems-Outband Signaling; inband (VF) Signaling; PCM Signaling; Inter Register Signaling;_Common Channel Signaling Principles-General Signaling Networks; CCI I I Signaling System Number 6; CCI i I Signaling System Number 7; The High Level Data Link Control Protocol; Signal Units; The Signaling Information Field.

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TEXT BOOKS

• J. E Flood, “Telecommunications Switching and Traffic Networks,” Pearson Education, 2006.
• Tyagarajan Viswanathan, “Telecommunications Switching Systems and Networks,” Prentice Hall of India Pvt. Ltd., 2006.

REFERENCE BOOKS

• John C Bellamy, “Digital Telephony,N John Wiley International Student Edition,3rd Edition, 2000.
• Behrouz A. Forouzan, “Data Communications and Networking,” TMH, 2nd Edition, 2002.
• Tomasi,” Introduction to Data Communication and Networking,” Pearson Education, 1 st Edition, 2007.

Course outcomes

On completion of this course, it is expected that the student will be able to:

• Understand the main concepts of telecommunication network design
• Analyze and evaluate fundamental telecommunication traffic models.
• Understand basic modern signaling system.
• Solve traditional interconnection switching system design problems.
• Understand the concept of packet switching.

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