MU Information Technology (Semester 5)
Convergence of Technologies & Networking in Communication
May 2012
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1(a) Discuss the different types of stations defined by HDLC. How a communication channel in HDLC that is used by a station can be configured.
5 M
1(b) Describe the characteristics of 3G system.
5 M
1(c ) Compare different multiplexing techniques.
5 M
1(d) Compare SDMA, FDMA, TDMA and CDMA.
5 M

2(a) Explain classification of signalling techniques.
10 M
2(b) Explain 3G UMTS network.
10 M

3(a) Explain traffic management in ATM. Also explain ATM traffic policing.
10 M
3(b) Classify different switching architectures. Discuss one of them
10 M

4(a) Describe in brief BPSK modulator and demodulator. Also calculate probability of error.
10 M
4(b) Explain Handoff Algorithm.
10 M

5(a) What are different types of traffic? Explain leaky bucket algorithm in brief.
10 M
5(b) Explain different traffic descriptors used in ATM.
10 M

6(a) Explain ISDN protocol stack in detail with neat sketches.
10 M
6(b) What do you mean by encryption? Explain symmetric and asymmetric key methods in detail
10 M

Write short notes on any two of the following:-
7(a) TMN
10 M
7(b) LLC Sublayer
10 M
7(c ) Spreading codes and scrambling process.
10 M



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