Explore topic-wise MCQs in Wireless Mobile Communications.

This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

In dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance.

A. True
B. False
Answer» B. False
Discussion
2.

In near-far effect, a nearby transmitter captures the __________

A. Receiver of the subscriber
B. Transmitter of the subscriber
C. Nearby MSC
D. Neighbouring base station
Answer» B. Transmitter of the subscriber
Discussion
3.

Adjacent channel interference occurs due to _______

A. Power transmitted by Base station
B. MSCs
C. Same frequency of mobile users
D. Imperfect receiver filters
Answer» E.
Discussion
4.

What is breathing cell effect?

A. Fixed coverage region
B. Dynamic and time varying coverage region
C. Large coverage region
D. Very small coverage region
Answer» C. Large coverage region
Discussion
5.

What is the cluster size for CDMA?

A. N=10
B. N=100
C. N=1
D. N=50
Answer» D. N=50
Discussion
6.

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

A. \(\sqrt{(3N)}\)
B. N
C. 3N
D. √N
Answer» B. N
Discussion
7.

Co-channel reuse ratio is define by _________

A. Q=D*R
B. Q=D/R
C. Q=D^R
D. Q=1/R
Answer» C. Q=D^R
Discussion
8.

Co-channel interference is a function of _________

A. Radius of cell
B. Transmitted power
C. Received power
D. Frequency of mobile user
Answer» B. Transmitted power
Discussion
9.

Interference is more severe in rural areas.

A. True
B. False
Answer» B. False
Discussion
10.

WHAT_IS_THE_CLUSTER_SIZE_FOR_CDMA??$

A. N=10
B. N=100
C. N=1
D. N=50
Answer» D. N=50
Discussion
11.

Adjacent channel interference occurs due to _______$

A. Power transmitted by Base station
B. MSCs
C. Same frequency of mobile users
D. Imperfect receiver filters
Answer» E.
Discussion
12.

What_is_breathing_cell_effect?$

A. Fixed coverage region
B. Dynamic and time varying coverage region
C. Large coverage region
D. Very small coverage region
Answer» C. Large coverage region
Discussion
13.

In dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance. State whether True or False.

A. True
B. . False
Answer» B. . False
Discussion
14.

Adjacent channel interference can be minimized through _______

A. Changing frequency of base stations
B. Careful filtering and channel assignments
C. Increasing number of base stations
D. Increasing number of control channels
Answer» C. Increasing number of base stations
Discussion
15.

Which of the following problem occur due to adjacent channel interference?

A. Blocked calls
B. Cross talk
C. Near-far effect
D. Missed calls
Answer» D. Missed calls
Discussion
16.

Co-channel ratio in terms of cluster size is defined as _____?

A. ‚àö(3N)
B. N
C. 3N
D. ‚àöN
Answer» B. N
Discussion
17.

Co-channel reuse ratio is define by ______

A. Q=D*R
B. Q=D/R
C. Q=D^R
D. Q=1/R
Answer» C. Q=D^R
Discussion
18.

Co-channel interference is a function of ______

A. Radius of cell
B. Transmitted power
C. Received power
D. Frequency of mobile user
Answer» B. Transmitted power
Discussion
19.

What are co-channel cells?

A. Cells having different base stations
B. Cells using different frequency
C. Cells using adjacent frequency
D. Cells using same frequency
Answer» E.
Discussion
20.

Interference is more severe in rural areas. State whether True or False.

A. True
B. False
Answer» C.
Discussion
21.

Interference in control channel leads to ________

A. Cross talk
B. Queuing
C. Blocked calls
D. Voice traffic
Answer» D. Voice traffic
Discussion
22.

Interference on voice channels causes _______

A. Blocked calls
B. Cross talk
C. Queuing
D. Missed calls
Answer» C. Queuing
Discussion
23.

Which of the following is not a source of interference?

A. Base station in different cluster
B. Another mobile in same cell
C. A call in progress in neighbouring cell
D. Any BS operating on same frequency
Answer» B. Another mobile in same cell
Discussion