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Method for iteratively decoding block turbo codes and recording medium for storing iterative decoding program of block turbo codes
Method for iteratively decoding block turbo codes and recording medium for storing iterative decoding program of block turbo codes
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机译：对块turbo码进行迭代解码的方法和存储块turbo码的迭代解码程序的记录介质
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摘要
A method for iteratively decoding a block turbo code includes: receiving a signal frame formed of a product code obtained by serially concatenating block codes; forming a reliability array for signal demodulation and initializing extrinsic reliability information; performing a complexity-reduced soft decision output Viterbi decoding algorithm for all of the codewords existing on a current axis and calculating extrinsic reliability using soft decision output information output as a result of the decoding; checking whether an iterative decoding completion condition is satisfied, and outputting a decoded value and terminating an iterative decoding process when the condition is satisfied; and normalizing reliability information when the condition is not satisfied, performing reliability equalization, and repeating the decoding process for a next axis.
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