Spectral efficiency may be expressed in terms of ____(a) Hertz(b) bits per second(c) Hertz per bit per second(d) bits per Hertz per second.This question was posed to me in a national level competition.I need to ask this question from Techniques topic in division Cognitive Techniques of Cognitive Radio

Spectral efficiency may be expressed in terms of ____(a) Hertz(b) bits

1.	Spectral efficiency may be expressed in terms of ____(a) Hertz(b) bits per second(c) Hertz per bit per second(d) bits per Hertz per second.This question was posed to me in a national level competition.I need to ask this question from Techniques topic in division Cognitive Techniques of Cognitive Radio
Answer» The correct choice is (C) Hertz per bit per second Easiest explanation: SPECTRAL efficiency describes the amount of information transferred in a CHANNEL. It MAY be used to determine quality of service. Spectral efficiency may be EXPRESSED in terms of Hertz per bit per second.

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