IOE Syllabus – Telecommunication

Lecture      :   3                                                                                               Year:   IV

Tutorial:  1             Part:   I

Practical:  1.5

The course is introduced by IOE for BE Electronics and Communication (BEX).

Course Objectives:

Course objectives:  To continue the study of modern communication systems, their characteristics and design.

Important links related to certain chapters are included inside [] brackets. There minor typos. Please mention us on comment or via any social medias if found any or update is needed.

  1. Telecommunication Networks: [4 hours]
    1. Evolution of telecommunications [History of telecommunication-wiki]
    2. Classification of switching system
  1. Transmission Media: [4 hours]
    1. Transmission media characteristics
    2. Transmission lines
    3. Hybrid Transformer and circuits
    4. Signal and noise measurement
  1. Signal Multiplexing: [4 hours]
    1. Frequency division multiplex, Wavelength division multiplex [What is Wavelength Division Multiplexing]
    2. Space division multiplex
    3. Time division multiplex; North American TDM system, The European E1
  1. Digital Switching: [8 hours]
    1. Digital Telephone Exchange
    2. Space(S) Switch
    3. Time(T) Switch
    4. ST, TS, STS and TST switch
    5. Comparison between TST and STS switch
  1. Signaling System: [4 hours]
    1. Classification of Signaling Systems: Channel Associated Signaling and Common Channel Signaling
    2. ITU Common Channel Signaling System # 7 (SS7)
  1. Telephone Traffic: [9 hours]
    1. Network Traffic load and parameters
    2. Loss System: Grade of service (GOS)  and Blocking probability [Grade of Service and Blocking Probability]
    3. Delay System:  Queuing theory
    4. Routing
    5. Numbering Plans, Charging Plans
  1. Telecommunication Regulation: [2 hours]
    1. Purpose of ITU(International Telecommunications Union)
    2. NTA(Nepal Telecommunications Authority)
  1. Data Communication: [10 hours]
    1. Switching Techniques in data Communication
    2. IP Switching
    3. Soft Switching
    4. Routing and Flow control
    5. ISDN
    6. DSL



  1. John C. Bellamy “Digital Telephony“John Wiley & Sons, Inc.
  2. Roger L. Freeman “Telecommunication System Engg. “ John Wiley & Sons, Inc.
  3. A. S. Tanenbaum “Computer Networks” Prentice Hall.
  4. Telecommunication Switching Systems and Networks, by Thiagarajan Vishwanathan

Evaluation Scheme:

The questions will cover all the units of the syllabus. The evaluation scheme will be as indicated below:

Chapters Hours Marks


1 4 7
2 4 7
3 4 7
4 8 14
5 4 7
6 9 16
7 2 4
8 10 18
Total 45 80


* There may be minor deviation in marks distribution.

We're always listening.
Have something to say about this article? Find us on Facebook, Twitter or our LinkedIn.
Raju Dawadi
Raju Dawadi
Raju is currently actively involved in DevOps world and is focused on Container based architecture & CI/CD automation along with Linux administration. Want to discuss with him on any cool topics? Feel free to connect on twitter, linkedIn, facebook.

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.