SUBJECT - WIRELESS COMMUNICATION SYSTEMS
CODE - 09 L01
SEMESTER - SIXTH
BRANCH - AI
UNIVERSITY - CALICUT
YEAR - 2012
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Part A
Answer all Questions
1.What is the microwave frequency range? Give any two of its applications.
2.What is a Satellite Look angle?
3.Define Jamming Margin.
4.Define Path Loss and Fading.
5.Compare TDMA and FDMA.
(5x2=10 marks)
Part B
Answer any four questions,
6.State Kepler’s Laws.
7.Briefly explain the applications and advantages of Satellite Communication.
8.Explain Channel Capacity.
9.Write a note on Third Generation Wireless Networks.
10.Write a note on Co-Channel Interference and Adjacent Channel Interference.
11.Write a note on Cordless Systems.
(4x5=20 marks)
Part C
Answer all questions
6. Explain the various diversity reception techniques.
Or
7. Discuss in detail about the Satellite Link Budget.
8. Explain in detail about CDMA.
Or
9. (a) Explain the features of Second Generation Cellular Networks.
(b) What is a Wireless Local Loop? Explain any two of its technologies.
(5+5=10 marks)
10. Derive the two Ray Ground Propagation Model to estimate the received Signal Strength.
Or
11. (a) How to improve the coverage and capacity of a Cellular System? Explain. (6 marks)
(b) Briefly explain the following terms: Dwell Time, MAHO. (4 marks)
12. What are the design guidelines for WAP? Explain.
Or
13. Design an architecture and location update procedure that integrates IS-41 and GSM MAP.
(4x10=40 marks)
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