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Swayam Central

Digital Switching I

By Prof. Yatindra Nath Singh   |   IIT Kanpur
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. 

INTENDED AUDIENCE: Students, Teachers, Professionals, Trainers, Leaders, Employers

PREREQUISITES:          Preferably should have done Basics of Digital Communications, and Digital Communication Networks.

INDUSTRY SUPPORT:  There is no industry support. The course will be useful to the people from telecom industry.

Learners enrolled: 3601

SUMMARY

Course Status : Ongoing
Course Type : Elective
Duration : 8 weeks
Start Date : 26 Aug 2019
End Date : 18 Oct 2019
Exam Date : 16 Nov 2019
Category :
  • Electrical, Electronics and Communications Engineering
  • Level : Undergraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Week 1  : Introduction, Basic signaling, Strowger exchange, crossbar, crossbar operation algorithm.
    Week 2  : Call congestion and time congestion; Lee’s approach, Karnaugh’s approach
    Week 3  : Strictly Non-blocking networks, Rearrangeably non-blocking networks; Clos Network;  Paull’s matrix; 
                    Clos theorem; Strictly non-blocking for f-way multicasting.
    Week 4  : Slepian Duguid theorem, its proof; Paull’s 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.


    BOOKS AND REFERENCES

    1. Y.N.Singh, NPTEL Video lectures on Digital Switching.
    2. Y.N.Singh, Working Lecture notes on Digital Switching – http://brihaspati.nmeict.in/ guest enabled course on EE629 Digital Switching in IIT Kanpur area.
    3. Mischa Shwartz – Communication Networks: protocols, modeling and analysis. 
    4. Various research papers as documented in Working lecture notes.

    INSTRUCTOR BIO



    Prof. Yatindra Nath Singh was born in Delhi, India. He did his B.Tech Electrical Engineering from REC Hamirpur (Now NIT Hamirpur), and M.Tech in Optoelectronics and Optical Communications from IIT Delhi. He was awarded Ph.D for his work on optical amplifier placement problem in all-optical broadcast networks in 1997 by IIT Delhi. In July 1997, he joined EE Department, IIT Kanpur. He was given AICTE young teacher award in 2003. Currently, he is working as professor. He is fellow of IETE, senior member of IEEE and ICEIT, and member ISOC. He has interests in telecommunications' networks specially optical networks, switching systems, mobile communications, distributed software system design. He has supervised 11 Ph.D and more than 115 M.Tech theses so far. He has filed three patents for switch architectures, and have published many journal and conference research publications. He has also written lecture notes on Digital Switching which are distributed as open access content through content repository of IIT Kanpur. He has also been involved in opensource software development. He has started Brihaspati (brihaspati.sourceforge.net) initiative, an opensource learning management system, BrihaspatiSync – a live lecture delivery system over Internet, BGAS – general accounting systems for academic institutes. 

    COURSE CERTIFICATE

    • The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
    • The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
    • Date and Time of Exams: 16 November 2019, Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
    • Registration url: Announcements will be made when the registration form is open for registrations.
    • The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
    • Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

    CRITERIA TO GET A CERTIFICATE
    • Average assignment score = 25% of average of best 6 assignments out of the total 8 assignments given in the course. 
    • Exam score = 75% of the proctored certification exam score out of 100
    • Final score = Average assignment score + Exam score

    YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75
    • If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
    • Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Kanpur. It will be e-verifiable at nptel.ac.in/noc.
    • Only the e-certificate will be made available. Hard copies are being discontinued from July 2019 semester and will not be dispatched

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