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Constant envelope modulation techniques occupy ______ bandwidth than linear modulation schemes.

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Constant envelope modulation techniques occupy ______ bandwidth than linear modulation schemes.

(a) Larger

(b) Smaller

(c) Same

(d) Twice

The question was posed to me during an interview.

My question comes from Constant Envelope Modulation topic in section Modulation Techniques for Mobile Radio of Wireless/Mobile

1 Answer

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Best answer
Right answer is (a) Larger

Explanation: Constant envelope modulation technique occupies a larger bandwidth than linear modulation technique. It is one of the disadvantage of constant envelope modulation. It is not well suited where bandwidth efficiency is more important than power efficiency.

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