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In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel.

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In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel.

(a) Equal to

(b) Not related to

(c) Larger than

(d) Smaller than

I had been asked this question during an interview.

My query is from Introduction to Multiple Access in section Multiple Access Techniques for Wireless Communications of Wireless/Mobile

1 Answer

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Right answer is (c) Larger than

To elaborate: In wideband systems, the transmission bandwidth of a single channel is much larger than the coherence bandwidth of the channel. Thus, multipath fading does not greatly vary the received signal power within a wideband channel.

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