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基于MS估计和迭代结构的信源信道联合解码系统性能分析

周琳 吴镇扬

周琳, 吴镇扬. 基于MS估计和迭代结构的信源信道联合解码系统性能分析[J]. 电子与信息学报, 2006, 28(2): 257-261.
引用本文: 周琳, 吴镇扬. 基于MS估计和迭代结构的信源信道联合解码系统性能分析[J]. 电子与信息学报, 2006, 28(2): 257-261.
Zhou Lin, Wu Zhen-yang. Performance Analysis of Joint Source-Channel Decoding Based on MS Estimation and Iterative Structure[J]. Journal of Electronics & Information Technology, 2006, 28(2): 257-261.
Citation: Zhou Lin, Wu Zhen-yang. Performance Analysis of Joint Source-Channel Decoding Based on MS Estimation and Iterative Structure[J]. Journal of Electronics & Information Technology, 2006, 28(2): 257-261.

基于MS估计和迭代结构的信源信道联合解码系统性能分析

Performance Analysis of Joint Source-Channel Decoding Based on MS Estimation and Iterative Structure

  • 摘要: 该文对基于均方MS(Mean Square)误差最小准则估计的软输入信源解码和基于信源参数特性及迭代结构的维特比解码两种信源信道联合解码算法进行分析,分别给出系统性能提高的影响因子,同时与信源信道独立解码算法相比较,并推导了联合算法中的接收参数信噪比的提高幅度以及比特误码率的上限值,证明了联合解码算法的可行性和有效性。实验仿真结果表明了分析方法的正确性。
  • Fingscheidt T, Vary P. Soft bit speech decoding: A new approach to error concealment [J]. IEEE Trans. on Speech and Audio Processing, 2001, 9(3): 240251. .[2]Adrat M, Heanel R, Vary P. On joint source-channel decoding for correlated source. In Proceedings of ICASSP-02[C], Orlando, Florida, USA, 2002, 3: 25052508. .[3]Fingscheidt T, Vary P. Robust speech decoding: A universal approach to bit error concealment. In Proceedings of ICASSP- 97[C], Munich, Germany, 1997, 3:16671670. .[4]Hagenauer J. Source-controlled channel decoding [J]. IEEE Trans. on Communications, 1995, 43(9):24492457. .[5]Veaux C, Scalart P, Gilloire A. Channel decoding using inter- andintra-correlation of source encoded frames. In Proceedings of Data Compression Conference-2000 [C], Snowbird, Utah, USA. 2000: 103.112.[6]Fingscheidt T, Hindelang T, Cox R V, et al.. Joint source-channel (de-)coding for mobile communications [J]. IEEE Trans. on Communications, 2002, 50(2): 200211. .[7]Xu W. Repeated joint source-channel decoding in a GSM system. In Proceedings of PIMRC 2000 [C], London, UK. 2000, 1: 241.245.[8]Cover T M. Thomas J A. Elements of Information Theory [M]. New York.[J].NY: John Wiley Sons.1991,:-
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出版历程
  • 收稿日期:  2004-05-20
  • 修回日期:  2004-12-24
  • 刊出日期:  2006-02-19

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