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Frequency tracking loop can minimize irreducible error rate by using(a) GMSK(b) DMSK(c) MSK(d) QAMThis question was addressed to me in homework.This intriguing question originated from Signal Time Spreading topic in division Fading Channels of Digital Communications

Answer»

Correct answer is (b) DMSK

To explain: FREQUENCY tracking LOOP can MINIMIZE the irreducible error rate in a mobile system by using DIFFERENTIAL MINIMUM shift keying modulation.



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