Question

digital communication system uses a repetition

code for channel encoding/decoding. During transmission,

each bit is repeated three times (0 is transmitted as 000,

and 1 is transmitted as 111). It is assumed that the

source puts out symbols independently and with equal

probability. The decoder operates as follows: In a block

of three received bits, if the number of zeros exceeds

the number of ones, the decoder decides in favor of a 0,

and if the number of ones exceeds the number of zeros,

the decoder decides in favor of a 1, Assuming a binary

symmetric channel with crossover probability p = 0 1. , the

average probability of error is _____.​

Answer 1

Answer:

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Answer 2

Answer:

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