In MFSK, R/W(a) Increases with increase in M(b) Increases with decrease in M(c) Decreases with increase in M(d) Is not dependent on MI had been asked this question during an interview.I'm obligated to ask this question of Evaluating Digital Communication System and Allocation of Communication Resources topic in division Modulation and Coding Trade-off of Digital Communications

In MFSK, R/W(a) Increases with increase in M(b) Increases with decreas

1.	In MFSK, R/W(a) Increases with increase in M(b) Increases with decrease in M(c) Decreases with increase in M(d) Is not dependent on MI had been asked this question during an interview.I'm obligated to ask this question of Evaluating Digital Communication System and Allocation of Communication Resources topic in division Modulation and Coding Trade-off of Digital Communications
Answer» Right ANSWER is (c) Decreases with increase in M The EXPLANATION: In MFSK, the DENOMINATOR increases faster as the numerator when M increases. Thus R/W decreases with increase in M.

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