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Channel estimation based on fractal resampling with considering the statistical characters in WCDMA
Author(s): CAO Dun, FU Ming
Pages: 97-
99
Year: 2008
Issue:
7
Journal: APPLICATION OF ELECTRONIC TECHNIQUE
Keyword: 信道估计; WCDMA; 分形; 插值; 统计;
Abstract: 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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