GATE ECE · 2025 · EC
Question 41: Digital communications
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Question 41
ECMCQ2 marksNeeds review
A source transmits symbol
that takes values uniformly at random from the set
. The receiver obtains
, where
is a zero-mean Gaussian random variable independent of
. The receiver uses the maximum likelihood decoder to estimate the transmitted symbol
.Suppose the probability of symbol estimation error
is expressed as follows:
where
denotes the probability that
exceeds 1.What is the value of
?Your answerChoose one option.
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2025EC
GATE ECE 2025 · Paper 1
Electronics and Communication Engineering · Original paper archive
- Section
- Electronics and Communication Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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