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引用本文：

胡宏平,夏凌,何子述,施乐.基于Kalman滤波的WCDMA上行链路衰落信道跟踪[J].电讯技术，2006，46（5）：150 - 152. [点击复制]
.A Channel Tracking Method Based on Kalman Filter for the Uplink of WCDMA Systems[J].，2006，46（5）：150 - 152. [点击复制]

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基于Kalman滤波的WCDMA上行链路衰落信道跟踪

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摘要:

针对WCDMA上行链路的结构，介绍了一种基于卡尔曼滤波和线性内插的信道跟踪方法。Kalman滤波器通过线性内插所提供的粗略的数据估计值来准确地获得信道参数的LMMSE解，跟踪信道的变化。仿真结果表明该方法能有效跟踪快速衰落信道，改善系统的性能。

关键词: Kalman滤波信道跟踪内插

DOI：10.3969/j.issn.1001-893X.

投稿时间：2005-09-12修订日期：2006-04-20

基金项目:

A Channel Tracking Method Based on Kalman Filter for the Uplink of WCDMA Systems

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Abstract:

This paper introduces a channel tracking method based on Kalman filter and linear interpolation for the uplink of WCDMA systems. Kalman filter uses the estimated data from linear interpolation to correct the predicted channel coefficients and tracks the channel variation. It is demonstrated by the computer simulation that this method can track the fading channel effectively and the system performance is improved.

Key words: WCDMA