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Which of the following is not a way to represent convolution code?

(a) State diagram

(b) Trellis diagram

(c) Tree diagram

(d) Linear matrix

I got this question by my college professor while I was bunking the class.

The query is from Convolutional Codes in portion Equalization, Diversity and Channel Coding of Wireless/Mobile

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The correct choice is (d) Linear matrix

For explanation: Linear matrix is not a way to represent convolution code. Various ways of representing convolution codes are generator matrix, generator polynomial, logic tables, state diagram, tree diagram and trellis diagram.

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