Affecting not only mobile phones in automobiles,but even a mobile phone user walking down an urban street,________ occurs when there are rapid variations in signal strength.
A)selective fading
B)nonselective fading
C)flat fading
D)fast fading

Question

Quizplus · Accepted Answer

Fast fading occurs when there are rapid variations in signal strength, which can affect mobile phones in automobiles or even a mobile phone user walking down an urban street. Selective fading refers to frequency-dependent attenuation of a signal while nonselective fading affects all frequencies equally. Flat fading occurs when all frequency components of a signal experience the same amount of attenuation.

Affecting Not Only Mobile Phones in Automobiles,but Even a Mobile