harq based signal transmission method for ensuring the constellation rearrangement gain

It describes the HARQ-based signal transmission method for ensuring a certain level of the constellation rearrangement gain (Constellation Rearrangement Gain). In as encoding a specified code block, performing a sub-block interleaving (Subblock Interleaving) to the encoded code blocks after transmitting a sub-block-interleaved code blocks based on the starting position of the redundancy version (RV), the redundancy version of the retransmission M QAM system will be set so that (where, M> 4) the order of the bit string combining the modulation change. In addition, each set for a code block having a different size to the starting position of a redundancy version different from that applied for each. Constellation Rearrangement, Redundancy Version (RV)