| 结合统计特性的WCDMA信道分形插值估计方法 |
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| 引用本文： | 曹敦,傅明. 结合统计特性的WCDMA信道分形插值估计方法[J]. 电子技术应用, 2008, 34(7) |
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| 作者姓名： | 曹敦 傅明 |
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| 作者单位： | 长沙理工大学计算机与通信工程学院,湖南,长沙,410076;长沙理工大学计算机与通信工程学院,湖南,长沙,410076 |
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| 摘 要： | 为了克服接收机快速运动造成的深度衰落,将分形理论引入多径衰落信道的研究中,利用WCDMA中信道复用的特点,结合衰落信道具有服从Raleigh和Rice分布的特性,提出适用WCDMA信道的分形插值估计方法。通过仿真结果可知,与传统信道估计算法比较,在接收机不同运动速度下,尤其在高速运动时,信道参数估计的精度有所改善,满足WCDMA支持高速运动的特点。
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| 关 键 词： | 信道估计 WCDMA 分形 插值 统计 |
Channel estimation based on fractal resampling with considering the statistical characters in WCDMA |
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| CAO Dun,FU Ming. Channel estimation based on fractal resampling with considering the statistical characters in WCDMA[J]. Application of Electronic Technique, 2008, 34(7) |
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| Authors: | CAO Dun FU Ming |
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| Affiliation: | CAO Dun FU Ming (Computer & Communication Engineering Institute,Changsha University of Science & Technology,Changsha 410076,China) |
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| Abstract: | In order to overcome the depth-fading,this paper introduces fractal theory into the research of multipath fading channels.Utilizing the characteristics of channel multiplexing in WCDMA,this paper establishes a novel channel estimation scheme using fractal resampling,by considering the prior condition that multi-path fading obeys the Raleigh or Rice distribution.Simulation results indicate that this method can estimate the channel parameters more accurately than conventional methods in both rapid and slow te... |
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| Keywords: | WCDMA |
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