Convolutional codes: trellis diagram
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Consider a (3,1,2) convolutional code with the generator for the encoder, g1 = (101), g2 = (111), and g3 = (111).
(1) Draw the encoder diagram for the encoder.
(2) Draw the trellis diagram for the information sequence (11011).
(3) Suppose the received sequence R = (111,010,000,011,100,011,111); decode R by use of Viterbi algorithm, and estimate the transmitted information sequence (initial and final states are all "0").
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Solution Summary
This solution provides the detail of how to draw a trellis diagram for given generators of convolutional code and how the trellis diagram is used to correct error at the receiver side.
Solution Preview
In the solution, the encoder diagram is presented. A step-by-step ...
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