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) Explain the objectives of GSM PLMN
4 M
1(b) With neat diagram, explain GSM Reference model.
8 M
1(c) Explain Radio interface (MS to BTS) in GSM interfaces.
8 M

2(a) Explain Smart Antenna and give their advantages.
8 M
2(b) Discuss about single level and quality level in GSM
4 M
2(c) With neat diagram, explain base band frequency hopping in GSM.
8 M

3(a) Explain the mobile identification process with flow diagram
8 M
3(b) Explain GSM Location area and cell area identification process in GSM mobility management.
4 M
3(c) Write a note on synchronization Brust.
8 M

4(a) Explain GSM PLMN Bearer services and Teleservices in detail.
8 M
4(b) Explain time domain waveform coding with help of a - Law and μ- Law.
12 M

5(a) What is hand over? Explain inter MSC hand over.
8 M
5(b) Explain mobile telephone Architecture for data interworking with neat block diagram.
6 M
5(c) Explain pure ALOHA scheme with their throught.
6 M

6(a) Explain various security algorithms for GSM in detail.
10 M
6(b) Explain the privacy Requirement in GSM security.
10 M

7(a) Derive an expression for spectral efficiency in terms of voice and non voice transmission.
10 M
7(b) Derive an expression for Received signal strength of a base station Reveiver.
10 M

8(a) Explain the various TMN Layers in Detail.
8 M
8(b) Explain the manager and agent roles in OSI system management
8 M
8(c) Write short note on SNMP.
4 M



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