Question

M-ary signalling techniques are not sensitive to timing jitters.

(a) True

(b) False

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I want to ask this question from Combined Linear and Constant Envelope Modulation Techniques topic in section Modulation Techniques for Mobile Radio of Wireless/Mobile

Answer 1

Right choice is (b) False

The explanation: Timing errors increase when smaller distances between signals in the constellation diagram are used. M-ary signalling techniques are attractive for use in bandlimited channel, but are limited in their applications due to sensitivity in timing jitter.