TURBO DECODER, TURBO ENCODER AND RADIO BASE STATION WITH TURBO DECODER AND TURBO ENCODER

摘要

PROBLEM TO BE SOLVED: To provide a turbo decoder an interleave address generating section of which can be realized with a small circuit scale. SOLUTION: In an interleaver for use in the turbo decoder, a deinterleaver or an interleaver for use in the turbo encoder, an offset is set based on previously determined thresholds in accordance with symbol numbers generated by a counter. A symbol number inputted immediately before generating an address is corrected with the set offset, and the corrected symbol number is converted to generate an interleave read address.