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A rake receiver uses multiple ______

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A rake receiver uses multiple ______

(a) Delay circuits

(b) Correlators

(c) Detectors

(d) Flip flops

I got this question in quiz.

The origin of the question is Modulation Performance in Fading and Multipath Channels in chapter Modulation Techniques for Mobile Radio of Wireless/Mobile

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Right answer is (b) Correlators

The best explanation: A rake receiver uses multiple correlators to separately detect multiple strongest components. It is designed to counter the effects of multipath fading.

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