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Equalization is used to compensate __________

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Equalization is used to compensate __________

(a) Peak signal to noise ratio

(b) Intersymbol interference

(c) Channel fading

(d) Noises present in the signal

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I would like to ask this question from Fundamentals of Equalization topic in portion Equalization, Diversity and Channel Coding of Wireless/Mobile

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The correct choice is (b) Intersymbol interference

To elaborate: Equalization compensate the intersymbol interference (ISI) created by multipath within time dispersive channels. An equalizer within a receiver compensates for the average range of the expected channel amplitude and delay characteristics.

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