a) Consider a convolutional encoder with 4 registers. The connection vectors are given by 91 = [1011],92 [111 1] i) Sketch the diagram for the encoder. (3 Marks) ) Write the state transition table and obtain the state diagram. (7 Marks) b) For the convolution Encoder obtained in the part a. Consider the input message sequence | 1101101 :) Find the output of the encoder with the help of the state transition table obtained in the parto.il (5 Marks) 11) Verify your output of the encoder obtained in part d by Impulse response method and (5 Marks) Polynomial method