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In comparison to M-ary PSK, M-ary QAM bandwidth efficiency is _____ and power efficiency is ________

In comparison to M-ary PSK, M-ary QAM bandwidth efficiency is _____ and power efficiency is ________ Correct Answer Identical, superior

The power spectrum and bandwidth efficiency of QAM modulator is identical to M-ary PSK modulation. But, in terms of power efficiency QAM is superior to M-ary PSK.

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