Consider the rate R = 1/2 convolutional encoder illustrated in Fig. 2.27.
a) Find the generator matrix G(D).
b) Let G(D) = A(D)Γ(D)B(D). Find A(D), Γ(D), and B(D).
c) Find G0 (D), where G0 (D) is the first b rows in B(D).
d) Is G0 (D) minimal? If not, find a minimal encoding matrix Gmin(D) equivalent to G0 (D).
Fig. 2.27
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