Explore topic-wise MCQs in Wireless Mobile Communications.

This section includes 24 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.

MSK has complex demodulation and synchronization circuits.

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

GMSK is a ________ of MSK.

A. Integral
B. Opposite
C. Derivative
D. Similar
Answer» D. Similar
Discussion
3.

MSK is a special form of OQPSK.

A. True
B. False
Answer» B. False
Discussion
4.

Which of the following is not a property of MSK?

A. Variable envelope
B. Spectral efficiency
C. Good BER performance
D. Self synchronizing capability
Answer» B. Spectral efficiency
Discussion
5.

MSK is sometimes also referred as _________

A. Slow FSK
B. Fast FSK
C. Slow PSK
D. Fast PSK
Answer» C. Slow PSK
Discussion
6.

The name minimum phase shift keying implies minimum _________

A. Frequency separation
B. Amplitude separation
C. Phase change
D. Amplitude deviation
Answer» B. Amplitude separation
Discussion
7.

The modulation index of an FSK signal is similar to modulation index of ________

A. Amplitude modulation
B. Phase modulation
C. QPSK
D. Frequency modulation
Answer» E.
Discussion
8.

In BFSK __________ of constant amplitude carrier signal is switched between two values.

A. Phase
B. Angle
C. Frequency
D. Amplitude
Answer» D. Amplitude
Discussion
9.

In constant envelope family of modulation, class C amplifiers introduces degradation in spectrum occupancy.

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

In non-linear modulation, the amplitude of the carrier varies with the variation of modulating signal.

A. True
B. False
Answer» C.
Discussion
11.

WHICH_OF_THE_FOLLOWING_IS_NOT_A_PROPERTY_OF_MSK??$

A. Variable envelope
B. Spectral efficiency
C. Good BER performance
D. Self synchronizing capability
Answer» B. Spectral efficiency
Discussion
12.

GMSK is a ________ of MSK.$

A. Integral
B. Opposite
C. Derivative
D. Similar
Answer» D. Similar
Discussion
13.

MSK is a special form of OQPSK. State whether True or False.$

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

MSK has complex demodulation and synchronization circuits. State whether True or False.

A. True
B. False
Answer» C.
Discussion
15.

Which of the following holds true for GMSK?

A. Minimum ISI
B. Minimum error rate
C. Good spectral efficiency
D. Variable envelope property
Answer» D. Variable envelope property
Discussion
16.

MSK is sometimes also referred as _____?

A. Slow FSK
B. Fast FSK
C. Slow PSK
D. Fast PSK
Answer» C. Slow PSK
Discussion
17.

The name minimum phase shift keying implies minimum _____?

A. Frequency separation
B. Amplitude separation
C. Phase change
D. Amplitude deviation
Answer» B. Amplitude separation
Discussion
18.

The modulation index of an FSK signal is similar to modulation index of _____

A. Amplitude modulation
B. Phase modulation
C. QPSK
D. Frequency modulation
Answer» E.
Discussion
19.

What is the modulation index of MSK?

A. 0.1
B. 1
C. 0.5
D. 0
Answer» D. 0
Discussion
20.

MSK stands for ________

A. Maximum shift keying
B. Minimum shift keying
C. Minimum space keying
D. Maximum space keying
Answer» C. Minimum space keying
Discussion
21.

In BFSK, _____of constant amplitude carrier signal is switched between two values.

A. Phase
B. Angle
C. Frequency
D. Amplitude
Answer» D. Amplitude
Discussion
22.

Constant envelope modulation techniques occupy ______ bandwidth than linear modulation schemes.

A. Larger
B. Smaller
C. Same
D. Twice
Answer» B. Smaller
Discussion
23.

In constant envelope family of modulation, class C amplifiers introduces degradation in spectrum occupancy. State whether True or False.

A. True
B. False
Answer» C.
Discussion
24.

In non-linear modulation, the amplitude of the carrier varies with the variation of modulating signal. State whether True or False.

A. True
B. False
Answer» C.
Discussion