GATE ECE 2017 EC Q50: Digital communications

In binary frequency shift keying (FSK), the given signal waveforms are

, and

, where

is the bit-duration interval and

is in seconds. Both

and

are zero outside the interval

. With a matched filter (correlator) based receiver, the smallest positive value of

(in milliseconds) required to have

and

uncorrelated is

Your answerChoose one option.

0.25 ms

0.5 ms

0.75 ms

1.0 ms

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