| WCDMA上行链路一种基于RLS算法的空时RAKE接收机 |
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| 引用本文： | 吴芝路,闫诗文,王雪霞,任广辉.WCDMA上行链路一种基于RLS算法的空时RAKE接收机[J].自动化技术与应用,2008,27(8):81-83. |
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| 作者姓名： | 吴芝路 闫诗文 王雪霞 任广辉 |
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| 作者单位： | 哈尔滨工业大学,电子与信息技术研究院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 提出了WCDMA上行链路一种自适应的空时RAKE接收机技术，设计了两个匹配滤波器，基于最大信干噪比准则使用RLS算法自适应为期望信号每条多径分量更新波束形成权向量。该方法能显著降低计算复杂度，提高收敛速度。仿真表明，该方法能有效抑制多址干扰并解决远近效应问题，在快衰信道下，能良好的跟踪信道变化。
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| 关 键 词： | WCDMA 空时RAKE接收机 智能天线 RLS |
An RLS-Based Space-Time RAKE Receiver for WCDMA Uplink |
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| WU Zhi-lu,YAN Shi-wei,WANG Xue-xia,REN Guang-hui.An RLS-Based Space-Time RAKE Receiver for WCDMA Uplink[J].Techniques of Automation and Applications,2008,27(8):81-83. |
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| Authors: | WU Zhi-lu YAN Shi-wei WANG Xue-xia REN Guang-hui |
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| Affiliation: | (School of Electronics and Information Technology, Harbin Institute of Technology, Harbin Heilongjiang 150001, China) |
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| Abstract: | This paper presents an adaptive space-time RAKE receiver for WCDMA Uplink. Two matched filters are designed. Based on the maximum signal-to-interference plus noise criterion, a RLS algorithm is used for updating the beamforming weight vectors for each multipath of the desired signal. The scheme proposed can reduce the computational complexity remarkably and thus lead to fast convergence. Simulation shows that the scheme has the ability of suppressing multiuser access interference （MAI）, combating near-far problems,and tracking the channel condition under the fast fading environment. |
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| Keywords: | WCDMA RLS |
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