Question

Which among the following is an approach that can be applied to overcome the effect of channel fading?

a.

Discarding particular channel from use

b.

Transmission and reception during fixed time slots

c.

Selection of appropriate waveform

d.

Compromising quality of service

Posted under Cognitive Radio

Answer: (c).Selection of appropriate waveform Explanation:Radio environment map provides the cognitive radio with channel characteristics with respect to the location and the direction of a mobile user. The characteristics of the channel help construct channel links and develop predictive models. With the help of predictive models, a waveform suitable to the channel characteristics can be constructed to adapt to the channel.

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Q. Which among the following is an approach that can be applied to overcome the effect of channel fading?

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