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The rate of a block code is the ration of

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The rate of a block code is the ration of

(a) Block length to message length

(b) Message length to block length

(c) Message weight to block length

(d) None of the mentioned

This question was posed to me in an international level competition.

My query is from Cyclic Codes and Linear Block Codes topic in section Channel Coding of Digital Communications

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The correct option is (b) Message length to block length

For explanation: The rate of a block code is the ratio between its message length and the block length, R=k/n.

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