| 摘要 |
A method and apparatus for encoding input data using low density parity check (LDPC) code are provided. The method includes encoding the input data using a parity check matrix generated from a first base matrix which is defined for a code rate, the first base matrix having predefined matrix element values when the code rate is 2/3, matrix element values including "-1", which indicates a zero matrix having a z max × z max size, "0" which indicates an identity matrix having the z max ×z max size, and positive integers which indicate a first permutation matrix having the z max × z max size, the first permutation matrix being generated by circularly shifting the identity matrix by the positive integer.
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