Ultra-Wideband Technologies MCQ’s

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This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Ultra-Wideband Technologies”.

1. UWB operates across narrow bandwidth.
a) True
b) False

2. The basic element in DSC–UWB technology is the monocycle wavelet.
a) True
b) False

3. _________ also known as impulse or zero-carrier radio technology.
a) Ultra wideband technology
b) Femtocell technology
c) Multicasting
d) Multiplexing

4. 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

5. The coherent interaction of signals in UWB arriving by many paths causes ____________
a) Ricean fading
b) Nakagami fading
c) Rayleigh fading
d) Multicast fading

6. 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

7. DSC-UWB uses _________
a) Pulse width modulation
b) Pulse code modulation
c) Pulse position modulation
d) Direct sequence modulation

8. UWB technology supports low bit rate and low speed.
a) True
b) False

9. UWB systems are very complex, since they use radio frequency/intermediate frequency conversion stages.
a) True
b) False

10. Which of the following is not true for UWB?
a) Large spectrum
b) Lower price
c) Pulse data
d) Large interference

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