Digital Switching - I

IIT Kanpur, , Prof. Prof. Yatindra N Singh

Updated On 02 Feb, 19

Overview

The course will introduce the learners to basics of digital telephony. It will start with crossbar switch and move to theory of switches. Towards end, packet switching basics will be looked into.

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Lecture 11: Time switch

4.1 ( 11 )

Lecture Details

Course Details

COURSE LAYOUT

Week 1 : Introduction, Basic signaling, Strowger exchange, crossbar, crossbar operation algorithm.

Week 2 : Call congestion and time congestion; Lees approach, Karnaughs approach
Week 3 : Strictly Non-blocking networks, Rearrangeably non-blocking networks; Clos Network; Paulls matrix;

Clos theorem; Strictly non-blocking for f-way multicasting.

Week 4 : Slepian Duguid theorem, its proof; Paulls theorem; Recursive construction; Crosspoint complexity for

rearrangebly and strictly non-blocking networks

Week 5 : Cantor network; proof; Wide-sense non-blocking network example network and proof.

Week 6 : Packet Switching, Buffering strategies, Input Queued Switch, Output Queued switch
Week 7 : Banyan Networks, Delta Network, Shufflenet as Delta network proof.
Week 8 : Buffered Banyan network (buffering at each switching element), Computional analysis.