DISTANCE EDUCATION
M.Sc. Years Integrated) DEGREE EXAMINATION,
MAY 2017.
MOBILE COMMUNICATIONS
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE of the following questions.
1. Distinguish between CDMA and FDMA.
2. Discuss about digital video broadcasting.
3. Explain about Radio Access Layer.
4. Write about Wireless ATM.
5. Write the assumptions and goals of Mobile IP.
6. What is reverse tunneling?
7. What is timeout freezing while transmission?
8. What is session protocol?
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Give in detail comparison of various access mechanisms.
10. Explain the following telecommunication systems
GSM
TETRA
UMTS
Sub. Code
54
DE-749
2
wk4
11. Explain with suitable example about infrastructure
networks and Adhoc networks.
12. Discuss about Wireless ATM working group and its
services.
13. Explain the following
IPV6
DHCP
14. Traditional TCP and Indirect TCP Compare.
15. Explain the following protocols
Datagram Protocol
Transaction Protocol.