COMMUNICATION APPARATUS, TURBO ENCODER, AND COMMUNICATION METHOD

摘要

PROBLEM TO BE SOLVED: To obtain a communication apparatus capable of performing faster processing than before and improving error rate characteristics after error correction.

SOLUTION: The communication apparatus according to the present invention employs a turbo encoder having an encoder 101 which encodes an information bit sequence and an encoder 104 which encodes the information bit sequence after interleaving processing. For example, the turbo encoder has an interleaver 102 which stores the information bit sequence in an M×N input buffer; prepares N-1 different random sequences as many as rows to generate M kinds of random sequences; maps a minimum to Nth rows of all the random sequences to generate M×N mapping patterns; maps an information bit sequence of interleaving length to the M×N mapping patterns; and reads the information bit sequence after the mapping, column by column, and outputs it to the encoder 103.

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