| TD-SCDMA系统中多用户检测算法比较 |
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| 引用本文： | 冯侨,郑建宏.TD-SCDMA系统中多用户检测算法比较[J].重庆邮电大学学报(自然科学版),2007,19(6):710-713. |
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| 作者姓名： | 冯侨 郑建宏 |
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| 作者单位： | 重庆邮电大学,移动通信技术重点实验室,重庆,400065 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 为了抑制多径衰落造成的符号间干扰，提高TDSCDMA系统的吞吐量。提出了一种非线性多用户检测算法—多径干扰消除算法（MPIC），比较了该算法与线性多用户检测算法（联合检测）的基本原理，对这2种算法的性能进行了仿真，进行了复杂度的比较，得出了多径干扰消除算法优于联合检测算法的结论。
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| 关 键 词： | 多用户检测 联合检测 迫零 最小均方误差 多径干扰消除算法 |
| 文章编号： | 1673-825X（2007）06-0710-04 |
| 收稿时间： | 2007-03-13 |
| 修稿时间： | 2007年3月13日 |
Comparison of multi-user detection algorithm in TD-SCDMA system |
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| FENG Qiao,ZHENG Jian-hong.Comparison of multi-user detection algorithm in TD-SCDMA system[J].Journal of Chongqing University of Posts and Telecommunications,2007,19(6):710-713. |
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| Authors: | FENG Qiao ZHENG Jian-hong |
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| Institution: | Key lab of Mobile Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, P.R.China |
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| Abstract: | A nonlinear multi-user detection algorithm that is multi-path interference cancellation (MPIC) algorithm was developed to suppress the inter-symbol interference caused by multi-path fading and to increase the throughput of TD-SCDMA system. The principle of MPIC and linear multi-user detection algorithm were described. Based on the simulation and complexity comparison, the conclusion was drawn that the MPIC is better than joint detection. |
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| Keywords: | multi-user detection joint detection zero forcing minimum mean square error multi-path interferencecancellation algorithm |
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