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Active cancellation is the process of introducing transmitted signal in the _____ for subtraction from the input signal.

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Active cancellation is the process of introducing transmitted signal in the _____ for subtraction from the input signal.

(a) transmitter

(b) low pass filter

(c) equalizer

(d) receiver

I got this question during an online interview.

This key question is from RF and IF Processing Tradeoffs in chapter Technology Tradeoffs in Software Defined Radio of Cognitive Radio

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Best answer
Correct answer is (d) receiver

The best I can explain: Active cancellation is the processing of introducing transmitted signal in the receiver for subtraction from the input signal. It is a part of interference suppression process.

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