Explore topic-wise MCQs in Wireless Mobile Communications.

This section includes 17 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.

Which of the following is a drawback of UWB technology?

A. Not appropriate for WAN
B. Power limited
C. Small spectrum
D. Limited jitter requirements
Answer» E.
2.

UWB systems are very complex, since they use radio frequency/intermediate frequency conversion stages.

A. True
B. False
Answer» C.
3.

UWB technology supports low bit rate and low speed.

A. True
B. False
Answer» C.
4.

The coherent interaction of signals in UWB arriving by many paths causes ____________

A. Ricean fading
B. Nakagami fading
C. Rayleigh fading
D. Multicast fading
Answer» D. Multicast fading
5.

In TM–UWB, the system uses a modulation technique called _______

A. Pulse width modulation
B. Pulse code modulation
C. Pulse position modulation
D. Pulse amplitude modulation
Answer» D. Pulse amplitude modulation
6.

The basic element in DSC–UWB technology is the monocycle wavelet.

A. True
B. False
Answer» C.
7.

UWB operates across narrow bandwidth.

A. True
B. False
Answer» C.
8.

UWB_SYSTEMS_ARE_VERY_COMPLEX,_SINCE_THEY_USE_RADIO_FREQUENCY/INTERMEDIATE_FREQUENCY_CONVERSION_STAGES._STATE_WHETHER_TRUE_OR_FALSE.?$

A. True
B. False
Answer» C.
9.

Which of the following is not a drawback of UWB technology?$

A. Not appropriate for WAN
B. Power limited
C. Small spectrum
D. Limited jitter requirements
Answer» E.
10.

Which of the following is not true for UWB?

A. Large spectrum
B. Lower price
C. Pulse data
D. Large interference
Answer» E.
11.

UWB technology supports low bit rate and low speed. State whether True or False.

A. True
B. False
Answer» C.
12.

The coherent interaction of signals in UWB arriving by many paths causes ______

A. Ricean fading
B. Nakagami fading
C. Rayleigh fading
D. Multicast fading
Answer» D. Multicast fading
13.

DSC-UWB uses _________

A. Pulse width modulation
B. Pulse code modulation
C. Pulse position modulation
D. Direct sequence modulation
Answer» E.
14.

In TM–UWB, the system uses a modulation technique called _______$

A. Pulse width modulation
B. Pulse code modulation
C. Pulse position modulation
D. Pulse amplitude modulation
Answer» D. Pulse amplitude modulation
15.

The basic element in DSC–UWB technology is the monocycle wavelet.$

A. True
B. False
Answer» C.
16.

UWB operates across narrow bandwidth. State whether True or False.

A. True
B. False
Answer» C.
17.

_________ also known as impulse or zero-carrier radio technology.

A. Ultra wideband technology
B. Femtocell technology
C. Multicasting
D. Multiplexing
Answer» B. Femtocell technology