电子学报2025，Vol.53Issue(7)：2461-2469,9.DOI:10.12263/DZXB.20250107
删余Turbo码的随机交织器识别
Blind Identification of Random Interleaver for Punctured Turbo Codes
摘要
Abstract
Turbo codes have been widely used in communication systems such as 3G(3rd Generation Mobile Com-munication Technology)and 4G(4th Generation Mobile Communication Technology).To improve the efficiency of chan-nel coding,puncturing techniques are commonly employed in practical applications.Due to the absence of some parity bits,the blind recognition of punctured Turbo codes becomes more challenging,and there is currently limited research on inter-leaver identification for such codes.This paper addresses the identification of random interleavers in punctured Turbo codes by leveraging the concept of logarithmic conformity,and proposes utilizing the soft output viterbi algorithm(SOVA)to up-date a posteriori information,thereby compensating for the performance loss caused by the approximation in logarithmic conformity computation.Simulation results demonstrate that the proposed algorithm outperforms existing related algo-rithms in terms of performance.Moreover,both the logarithmic conformity and SOVA have relatively low computational complexity,making the proposed algorithm highly suitable for real-time applications.关键词
删余Turbo码/随机交织器/对数符合度/软输出维特比算法/软判决Key words
punctured Turbo code/random interleaver/logarithmic conformity/soft output viterbi algorithm/soft de-cision分类
信息技术与安全科学引用本文复制引用
李晓丹,刘锐,黎勇..删余Turbo码的随机交织器识别[J].电子学报,2025,53(7):2461-2469,9.基金项目
中央高校业务费项目(No.2024CDJGF-008) Fundamental Research Funds for the Central Universities(No.2024CDJGF-008) （No.2024CDJGF-008）
