| Turbo码SOVA译码的一种新的改进算法 |
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| 引用本文： | 谢仁宏,黄忠,郭山红,芮义斌. Turbo码SOVA译码的一种新的改进算法[J]. 信号处理, 2004, 20(3): 294-296 |
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| 作者姓名： | 谢仁宏 黄忠 郭山红 芮义斌 |
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| 作者单位： | 南京理工大学通信工程系,南京,210094 |
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| 摘 要： | SOVA算法由于低复杂度和低译码延时,已成为Turbo码的实用译码算法。该文针对SOVA译码算法的软判决值不精确对译码性能的影响,借鉴非均匀量化思想,提出了一种新的改进算法。仿真结果表明,在几乎不增加译码复杂度的情况下能够明显地改善译码性能。
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| 关 键 词： | turbo码 SOVA 译码算法 |
| 修稿时间： | 2003-04-16 |
A Novel Improvement Algorithm of SOVA Decoding for Turbo Codes |
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| Xie Renhong,Huang Zhong,Guo Shanhong,Rui Yibin Nanjing University of Science and Technology Nanjing. A Novel Improvement Algorithm of SOVA Decoding for Turbo Codes[J]. Signal Processing(China), 2004, 20(3): 294-296 |
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| Authors: | Xie Renhong Huang Zhong Guo Shanhong Rui Yibin Nanjing University of Science Technology Nanjing |
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| Affiliation: | Xie Renhong;Huang Zhong;Guo Shanhong;Rui Yibin Nanjing University of Science and Technology Nanjing 210094 |
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| Abstract: | SOVA decoding algorithm has become a applied decoding algorithm for Turbo codes due to the lowcomplexity and the low decoding delay. A novel improvement algorithm is presented aiming at the effect of imprecision of softvalue for SOVA algorithm on the decoding performance by using the idea of non-uniform quantization. The improvement ofdecoding performances is proved by the result of computer simulation. |
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| Keywords: | turbo codes SOVA decoding algorithm |
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