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IEEE Trans. Inf. Theory
Paper

Some Convolutional Codes Whose Free Distances are Maximal

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Abstract

The free distance of a convolutional code of rate 1/n is bounded by n times the constraint length of its encoder. Two classes of convolutional codes whose free distances meet this bound are studied. A technique of constructing convolutional codes that meet this bound for all sufficiently large n is also given. © 1989 IEEE

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IEEE Trans. Inf. Theory

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