| 基于子空间跟踪的盲空时多用户检测 |
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| 引用本文： | 张俊林,曾孝平.基于子空间跟踪的盲空时多用户检测[J].北京理工大学学报,2010,30(8):983-987. |
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| 作者姓名： | 张俊林 曾孝平 |
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| 作者单位： | 重庆大学通信工程学院,重庆,400044;重庆科技学院,重庆,401331;重庆大学通信工程学院,重庆,400044 |
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| 基金项目： | 国家自然科学基金资助项目，重庆市科技攻关计划项目 |
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| 摘 要： | 针对天线阵同步CDMA系统,运用子空间方法,提出多径条件下空时盲多用户检测方法.用FSYAST子空间跟踪方法来自适应估计信号子空间,同步多径天线阵列系统的信道参数采用Kalman算法自适应估计.仿真结果表明,提出的盲空时多用户检测器性能优于其它子空间多用户检测器.
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| 关 键 词： | 盲多用户检测 空时多用户检测 天线阵列 盲信道估计 子空间分解 |
| 收稿时间： | 2010/4/19 0:00:00 |
Blind Space-Time Multiuser Detection Based on Subspace Tracking |
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| ZHANG Jun-lin and ZENG Xiao-ping.Blind Space-Time Multiuser Detection Based on Subspace Tracking[J].Journal of Beijing Institute of Technology(Natural Science Edition),2010,30(8):983-987. |
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| Authors: | ZHANG Jun-lin and ZENG Xiao-ping |
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| Institution: | ZHANG Jun-lin1,2,ZENG Xiao-ping1 (1.College of Communications Engineering,Chongqing University,Chongqing 400044,China,2.Chongqing University of Science &Technology,Chongqing 401331,China) |
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| Abstract: | Blind space-time multiuser detection using a subspace method for synchronous multipath antenna arrays CDMA systems is presented.Fast and stable yet another subspace tracker (FSYAST)is used for adaptive signal-subspace estimation,and the Kalman-type algorithm is employed for adaptive channel estimation of the synchronous multipath antenna array system.Simulation results show that,the proposed space-time MMSE detector has a better performance than other multiuser based on subspace tracking. |
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| Keywords: | blind multiuser detection space-time multiuser detection antenna array blind channel estimation subspace decomposition |
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