M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Second Semester
Electronics
Elective: WIRELESS COMMUNICATION
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Mention the frequency band allocated to AMPS for both
forward and reverse link.
2. Define PAN.
3. State any two merits of dynamic channel assignment.
4. Describe briefly about GOS.
5. What is reflection?
6. Define scattering.
7. Define fading.
8. Define Ricean distribution.
9. What are the different types of multiple access schemes.
10. Define Pure ALOHA
Sub. Code
5MEL3E2
AFF-5068
2
Ws6
Part B x 5 25)
Answer all questions.
11. Explain the radio specification of blue tooth.
Or
Write about the cordless telephone systems.
12. Explain the various technique employed to expand
the capacity of a cellular system.
Or
Write about turnking in process of a cellular
system.
13. Write about free space propagation model.
Or
Write in detail about Ray tracing.
14. Explain about parameters of multipath channels.
Or
Differentiate fast fading and slow fading.
15. Describe briefly about reservation ALOHA
Or
Explain about by brid spread spectrum techniques.
AFF-5068
3
Ws6
Part C x 10 30)
Answer any three questions.
16. Write in detail about cellular telephone systems.
17. What are the different types of hand off? Explain the
hand off with relevant figures.
18. Differentiate outdoor propagation model and indoor
propagation model.
19. Describe different types of small scale fading.
20. Explain in detail about various spread spectrum multiple
access techniques.
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