WorksheetsWCN 23.8.21
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
The substantial amplitude and phase fluctuations, and the signal is subjected to -------
a)
Attenuation
b)
Fading
c)
Scattering
d)
Reflection
2.
------------- is proportional to the second power of distance in the free space, but can vary to the
fourth or fifth power in built-up areas because of reflections and obstacles.
a)
Attenuation
b)
fading
c)
Scattering
d)
Reflection
3.
•The ------------ is caused by movement over distances large enough to produce gross variations in the overall path between the base station and the mobile station.
a)
Reflection
b)
Scattering
c)
Fast fading
d)
Slow fading
4.
--------- occurs usually over distances of about half a wavelength.
a)
Fast fading
b)
Slow fading
c)
Medium fading
5.
Shadow effect is often called lognormal fading
True or false
a)
True
b)
False
100 %
