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MOBILE COMMUNICATION IT2402 ANNA UNIVERSITY NOV/DEC 2011 QUESTION PAPER | MOBILE COMMUNICATION IT 2402 MODEL QUESTION PAPER



B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Seventh Semester
Information Technology
IT 2402 — MOBILE COMMUNICATION
(Regulation 2008)
Time : Three hours Maximum : 100 marks
Answer ALL questions.
PART A — (10 × 2 = 20 marks)
1. What is meant by ‘Frequency reuse’?
2. Differentiate between soft and hard hand off.
3. What is WLL?
4. Differentiate between WiFi and WiMAX.
5. State the pros and cons of GSM.
6. What is PDP?
7. Differentiate between 2.5 and 3G wireless networks.
8. What is freezing?
9. What is iMode?
10. What is syncML?
PART B — (5 × 16 = 80 marks)
11. (a) Write a detailed note on Cellular wireless networks.
Or
    (b) What is CDMA? Explain FDMD, TDMA and CDMA.


12. (a) Describe IEEE 802.11.


Or
    (b) Write a note on Mobile Adhoc networks.


13. (a) Explain the GSM service architecture in detail.
Or
   (b) What is GPRS? Explain in detail.
14. (a) Write a detailed note on Mobile IP protocol.
Or
    (b) Explain the following :
      (i) Indirect TCP
      (ii) Snooping TCP.


15. (a) Write a detailed note on WAP.
Or
    (b) Explain the following :
       (i) WML and
      (ii) WML scripts.


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