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ECE · Q94

Digital Communication

Engineering and GATE · ECE · question 94

Q94

Consider a Binary Symmetric Channel (BBC) with probability of error being p. To transmit a bit, say 1, we transmit a sequence of three 1s. The receiver will interpret the received sequence to represent 1 if at least two bits are 1. The probability that the transmitted bit will be received in error is

A.
p3 + 3p3(1 - p)
Answer
B.
p3
C.
(1 - p)3
D.
p3 + p3(1 - p)

Answer: Option A

Solution

Answer: Option A
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