| 比特交织随机分层空时码的Turbo检测—译码方法 |
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| 引用本文： | 李小玮,陈芳炯. 比特交织随机分层空时码的Turbo检测—译码方法[J]. 通信学报, 2006, 27(6): 102-107 |
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| 作者姓名： | 李小玮 陈芳炯 |
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| 作者单位： | 华南理工大学,电子与信息学院,广东,广州,510640 |
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| 基金项目： | 中国科学院资助项目;广东省自然科学基金 |
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| 摘 要： | 对于一种采用比特交织的随机分层结构的空时码,提出了一种应用Turbo原理的迭代检测-译码方法,新方法基于软干扰消除的BLAST检测和卷积码的SISO（softinput soft output）译码,通过交换检测器和译码器之间的软信息,为迭代处理提供新的软信息.新方法大大提高了系统的性能,计算机仿真结果和计算复杂度分析显示了新方法的应用潜力.
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| 关 键 词： | 多入多出 随机分层空时码 比特交织 Turbo检测-译码 软信息 |
| 文章编号： | 1000-436X（2006）06-0102-06 |
| 收稿时间： | 2005-07-28 |
| 修稿时间： | 2005-07-282006-04-05 |
Turbo detection-decoding method for bit-interleavered random layered space-time codes |
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| LI Xiao-wei,CHEN Fang-jiong,WEI Gang. Turbo detection-decoding method for bit-interleavered random layered space-time codes[J]. Journal on Communications, 2006, 27(6): 102-107 |
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| Authors: | LI Xiao-wei CHEN Fang-jiong WEI Gang |
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| Affiliation: | School of Electronics and Information, South China University of Technology, Guangzhou 510640, China |
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| Abstract: | Based on one kind of layered space-time code which used bit-intedeavered and random-layered model, a joint detection-decoding method based on the Turbo principle was proposed. The new method used soft-interference canceller and SISO decoder and improved the exchange of soft information between them. By iterative procession it improved the performance of the whole system. The potential practice capability is proved by simulation results and computational complexity analysis. |
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| Keywords: | MIMO random-BLAST bit-interleaved Turbo detection-decoding soft information |
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