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Intersymbol interference (ISI) leads to ________ probability of the receiver for making an error in detecting the symbols.

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Intersymbol interference (ISI) leads to ________ probability of the receiver for making an error in detecting the symbols.

(a) Increased

(b) Decreased

(c) Zero

(d) One

The question was asked in an online interview.

My query is from Pulse Shaping Techniques topic in chapter Modulation Techniques for Mobile Radio of Wireless/Mobile

1 Answer

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Best answer
Right choice is (a) Increased

Explanation: ISI leads to increased probability of the receiver making an error in detecting a symbol. When rectangular pulses are passed through a bandlimited channel, the pulses will spread in time, and the pulse for each symbol will smear into the time intervals of succeeding symbols.

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