| Turbo码级联空时码的系统性能分析 |
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| 引用本文： | 孙鑫,赵光,孟凤琴. Turbo码级联空时码的系统性能分析[J]. 西安邮电学院学报, 2011, 16(3): 38-40 |
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| 作者姓名： | 孙鑫 赵光 孟凤琴 |
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| 作者单位： | 辽宁工业大学,电子与信息工程学院,辽宁,锦州,121001 |
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| 摘 要： | 单一空时分组码的多输入多输出正交频分复用(Multi-Input and Multi-Output,MIMO)系统不能提供较高编码增益。针对此不足,组建Turbo码与空时分组码(Space-Time Block Coding,STBC)级联的多输入多输出MIMO-OFDM系统,通过建立系统模型,借助MATLAB对级联Turbo码的系统与不级联Turbo码的系统进行仿真比较,结果显示级联Turbo码的STBC-MIMO-OFDM系统性能明显好于未级联信道外码的STBC-MIMO-OFDM系统性能。
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| 关 键 词： | Turbo码 空时分组码 多输入多输出正交频分复用系统 |
Performance analysis of Turbo code and STC concatenated system |
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| SUN Xin,ZHAO Guang,MENG Feng-qin. Performance analysis of Turbo code and STC concatenated system[J]. Journal of Xi'an Institute of Posts and Telecommunications, 2011, 16(3): 38-40 |
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| Authors: | SUN Xin ZHAO Guang MENG Feng-qin |
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| Affiliation: | SUN Xin,ZHAO Guang,MENG Feng-qin(School of Electron and Information Engineering,Liaoning University of Technology,Jinzhou 121001,China) |
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| Abstract: | Considering that the single space-time block codes of the multi-input and multi-output system can't provide higher encoding gain,a MIMO-OFDM system is proposed and its model is constructed,which is a cascade of Turbo coding and STBC.With MATLAB,The Turbo-STBC-MIMO-OFDM system is simulated and compared with non-Turbo system.Simulation results show that,the STBC-MIMO-OFDM system with cascaded Turbo coding performs better than that of non-cascated Turbo. |
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| Keywords: | Turbo codes space-time block coding MIMO-OFDM system |
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