Wireless and Mobile Communications Mock Test 2

10%

Question 1 of 10

1. In dynamic channel assignment strategy, voice channels are allocated to different cells permanently.

True

False

Question 1 of 10

Question 2 of 10

2. Which type of antenna is used for center excited cells?

Dipole antenna

Sectored antenna

Omnidirectional antenna

Grid antenna

Question 2 of 10

Question 3 of 10

3. Cell splitting increases the capacity of a cellular system since it increases the number of times ________ are reused.

Cells

Mobile stations

Transmitters

Channels

Question 3 of 10

Question 4 of 10

4. Which of the following is not an objective for channel assignment strategies?

Maximize the interference

Minimize the interference

Efficient utilization of spectrum

Increase of capacity

Question 4 of 10

Question 5 of 10

5. Which of the following is the 802.11 High Rate Standard?

IEEE 802.15

IEEE 802.11g

IEEE 802.15.4

IEEE 802.11b

Question 5 of 10

Question 6 of 10

6. What is the drawback of dynamic channel assignment?

Increase probability of blocked call

Increase storage and computational load on system

Decrease channel utilization

Cross talk

Question 6 of 10

Question 7 of 10

7. The choice of channel assignment strategy does not impact the performance of the system.

True

False

Question 7 of 10

Question 8 of 10

8. Average duration of a typical call is called ________

Run time

Holding time

Dwell time

Set up time

Question 8 of 10

Question 9 of 10

9. A spectrum of 30 MHz is allocated to a cellular system which uses two 25 KHz simplex channels to provide full duplex voice channels. What is the number of channels available per cell for 4 cell reuse factor?

150 channels

85 channels

50 channels

600 channels

Question 9 of 10

Question 10 of 10

10. Co-channel ratio in terms of cluster size is defined as _________

√N

\(\sqrt{(3N)}\)

Question 10 of 10