Telecommunication

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

1. Telecommunication Networks[4 hours]
1. Evolution of telecommunications
2. Classification of switching system


2. Transmission Media[4 hours]
1. Transmission media characteristics
2. Transmission lines
3. Hybrid Transformer and circuits
4. Signal and noise measurement


3. Signal Multiplexing[4 hours]
1. Frequency division multiplex, Wavelength division multiplex
2. Space division multiplex
3. Time division multiplex; North American TDM system, The European E1


4. 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


5. Signaling System[4 hours]
1. Classification of Signaling Systems: Channel Associated Signaling and Common Channel Signaling
2. ITU Common Channel Signaling System # 7 (SS7)


6. Telephone Traffic[9 hours]
1. Network Traffic load and parameters
2. Loss System: Grade of service (GOS)  and Blocking probability
3. Delay System:  Queuing theory
4. Routing
5. Numbering Plans, Charging Plans


7. Telecommunication Regulation[2 hours]
1. Purpose of ITU(International Telecommunications Union),
2. NTA(Nepal Telecommunications Authority)


8. 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

Practical:   Six laboratory to illustrate course principles

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:

Chapters	Hours	Marks Distribution*
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

*Note: There may be minor deviation in marks distribution.