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A RAKE receiver collects the __________ versions of the original signal.

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A RAKE receiver collects the __________ versions of the original signal.

(a) Time shifted

(b) Amplitude shifted

(c) Frequency shifted

(d) Phase shifted

The question was posed to me during an online interview.

This intriguing question comes from Rake Receiver in chapter Equalization, Diversity and Channel Coding of Wireless/Mobile

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Best answer
The correct answer is (a) Time shifted

The best explanation: RAKE receiver attempts to collect the time shifted versions of the original signal. It is due to the fact that there is useful information present in the multipath components.

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