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The number of k bit shift over which a single information bit influences the encoder output is given by(a) Code rate(b) Constraint length(c) Code length(d) Code weightThis question was addressed to me in an interview for job.The origin of the question is Convolution Encoding and Decoding topic in portion Channel Coding of Digital Communications

Answer» RIGHT answer is (b) Constraint length

For explanation: The constraint length REPRESENTS the number of k bit shifts over which a SINGLE information bit influences the encoder OUTPUT.


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