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Q#1
Digital Communication
GATE EC 2024
MCQ
+2 marks
-0.66 marks
A source transmits a symbol 
, taken from 
with equal probability, over an additive white Gaussian noise channel. The received noisy symbol 
is given by 
, where the noise 
is zero mean with variance 4 and is independent of .
Using 
, the optimum symbol error probability is_______. 
Explanation:
transmission of 
transmission of 
transmission of 
Given, 
where, 
where, 
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