Question: A LDPC code is defined by the parity-check matrix h = D 1 1 0 1 0 0 0 1 1 0 1 0 1

A LDPC code is defined by the parity-check matrix h = D 1 1 0 1 0 0 0 1 1 0 1 0 1 0 0 0 1 1 0 0 1 1 0 1 T

The valid codeword 001011 is transmitted and the invalid codeword 101011 is received. Using the message-passing algorithm of Section 16.2, show the procedure for correcting the error.

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