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Issue:
Frequency Domain Recursive Least Squares Realization of UWB Blind Channel Estimation
Author(s):
YANG Zhuo
,
GUO Li-li
,
LI Wan-chen
Pages:
121
-
125
Year:
2011
Issue:
1
Journal:
Journal of Beijing University of Posts and Telecommunications
Keyword:
超宽带
;
信道估计
;
频域
;
递归最小二乘算法
;
Abstract:
为了实现超宽带(UWB)信号高效、稳定接收,提出一种基于信道频域特性的UWB信道盲估计算法.利用跳时脉冲相位调制超宽带信号一维统计平稳特性,结合递归最小二乘算法计算,达到信道参数盲估计的目的.计算机仿真结果与最大似然法信道盲估计算法结果的对比表明,新算法在误码率为10-4时,信噪比增益约为3 dB.新算法可同时对多路信道进行估计,对幅度和相位不存在模糊因子,且具有低复杂度的优点.
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