Telecommunication

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Course Objectives:

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

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  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

 

References:

  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 MarksDistribution*
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.