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Turbo码译码中的BCJR算法 被引量:5

The BCJR Algorithm in Turbo Codes Decoding
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摘要 BCJR算法是在 Turbo码的译码中广泛使用的一种重要算法。对 BCJR算法进行了详细的推导 ,并简要讨论了其在 Turbo码译码中的一些实现问题。实践及理论研究证明 ,BCJR算法对于 Turbo码译码性能的提高具有相当重要的意义。 The BCJR algorithm is an important and popular algorithm used in turbo codes decoding. In this paper, a thorough derivation of the algorithm is given and also some implementation aspects of it in turbo codes decoding are discussed.The theory and practice prove that BCJR algorithm plays an important role in improving the performance of Turbo code decoding.
机构地区 重庆邮电学院
出处 《重庆邮电学院学报(自然科学版)》 2001年第4期26-29,50,共5页 Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition)
关键词 TURBO码 BCJR算法 回归系统卷积码 turbo codes BCJR algorithm recursive systematic convolutional code
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参考文献4

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同被引文献14

  • 1Berrou C,Glavieux A,Thitimajshima P.Near Shannon limit error correcting coding and decoding-turbo-codes (1)[J]. Geneva,Swirz erland,1993,12(5):1 064-1 070.
  • 2Hagenauer J , Offer E ,Papke L . Iterative decoding of binary block and convolution codes[J]. IEEE Trans Inform Theory , 1996 , 42(2):429-445.
  • 3BERROU C, GLAVIEUX A , THITIMAJ SHIMA P. Near shannon limit error-correcting coding-and decoding: Turbo-codes[J]. ICC'93, Geneva, Switzerland,May 93 : 1064-1070.
  • 4BERROU C, GLAVIEUX A. Near optimum error correcting coding and decoding: Turbo-codes[J]. IEEE Trans. on Commun, 1996, 44 (10): 1261-1271.
  • 5YUAN J, VUCETIC B, FENG W. Combined turbo codes and interleaver design [J]. IEEE Trans. Comunun, 1999,47 (4) : 484-487.
  • 6BENNDETO S, GARELLO R, MONTORSI G. A search for good convolutional codes to be used in the construction of turbo codes[J]. IEEE Trans. Commun. , 1998,46(8).1101-1105.
  • 7HOEHER P, LODGE J. Turbo DPSK: Iterative differential PSK demodulation and channel decodings[J]. IEEE Trans. Commun. 1999,47 (6):837-843.
  • 8孙兵,何瑾,陈广厦.基于DSP的CAN总线与以太网互联系统研制[J].仪器仪表学报,2008,29(2):377-380. 被引量:29
  • 9徐友云,郭阅仑,宋文涛,罗汉文.次最佳软输入软输出译码算法[J].上海交通大学学报,2000,34(2):169-172. 被引量:4
  • 10李中捷,孙洪,姚天任,D.Le Ruyet.Turbo码系统仿真及性能分析[J].华中科技大学学报(自然科学版),2001,29(3):76-78. 被引量:6

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