2K6 EC 805 (C): COMMUNICATION SWITCHING SYSTEMS

Module I (12 hours) 
Electronic switching systems: basics of a switching system – electronic space division switching – stored program control – time division switching – time multiplexed space switching – time multiplexed time switching – two stage, three stage and Nstage combination switching
Module II (14 hours)
Digital circuit switching networks: two-stage network – three-stage network – n-stage network – non-blocking switches – blocking probability analysis of multistage switches – lee approximation – improved approximate analysis of blocking switch – examples of digital switching systems – AT & T 5ESS and NTI – DMS 100 switching systems
Module III (14 hours)
Elements of traffic engineering: network traffic load and parameters – grade of service and blocking probability – incoming traffic and service time characterization – blocking models and loss estimates – delay systems
Module IV (12 hours)
Signaling: customer line signaling – outband signaling – inband signaling – PCM signaling – inter register signaling – common channel signaling principles – CCITT signaling system No: 7 – digital customer line signaling Introduction to ATM switching – Strict sense non block switch – self routing switches – Bense network – ATM routers – Design of typical switches.

TEXT BOOK:
1. Viswanathan T., Telecommunication Switching Systems and Networks, Prentice Hall of India Pvt. Ltd.
2. Schwartz M., Telecommunication Networks – Protocols, Modeling and Analysis, Addison Wesley Publishing Company
REFERENCES:
1. Flood J.E., Telecommunications Switching Traffic and Networks, Pearson Education Pvt. Ltd., Publishers
2. Freeman R.L., Telecommunication System Engineering, Wiley Inter Science Publications Das J., Review of Digital Communication, New Age Internal (P) Ltd., Publishers