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When channel coherence time is less than the time duration of a transmission symbol, then ______ fading occurs.

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When channel coherence time is less than the time duration of a transmission symbol, then ______ fading occurs.

(a) Fast

(b) Slow

(c) Time selective

(d) None of the mentioned

This question was posed to me during an online interview.

This interesting question is from Signal Time Spreading in section Fading Channels of Digital Communications

1 Answer

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Best answer
The correct choice is (a) Fast

Best explanation: Fast fading occurs when the channel coherence time is less than the time duration of a transmission symbol.

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