EC 6801 Wireless Communication, Third year, Department of Electrical & Electronics Engineering, First and second Units Questions.

Answer ALL Questions
PART A – (10 x 2 = 20 Marks)
1.      What is large scale path loss?
2.      What is known as handoff?
3.      What is the use of an umbrella cell?
4.      What is dwell time?
5.      Write the link budget equation for satellite transmission.
6.      What is slow fading?
7.      What is coherence bandwidth?
8.      What is known as Huygens principle?
9.      List few outdoor propagation models.
10.  What is a free space propagation model?
PART B- (5x16=80marks)
11.  Explain frequency reuse technique,intersymbol interference in cellular communication.                                                                        (16)
12.  Explain the propagation mechanisms in detail.                        (16)
13.  Compare multiple access techniques                                         (16)
14.  Explain in detail about trunking and grade of service               (16)
15.   Explain in detail about interference and system capacity in wireless communication. (16)