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Efficient stopping criterion for iterative decoding of turbo codes

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4 Author(s)
Nam Yul Yu ; Core Technol. Res. Group, Samsung Electron. Co. Ltd., Suwon, South Korea ; Min Goo Kim ; Yong Serk Kim ; Sang Uoon Chung

A simple and efficient stopping criterion for iterative turbo decoding is proposed, focusing on not only reducing the average number of iterations but also minimising performance degradation due to early stopping. A measure and two decision thresholds are introduced to enhance performance and simplify the stopping criterion. Simulation results show that the proposed method provides performance very close to that of a decoder with optimum stopping criterion and reduces average number of decoding iterations.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 1 )