Analysis of the LS estimation error on a Rayleigh fading channel

被引：0
|
作者：
Ekman, T [1 ]
机构：
[1] Univ Uppsala, SE-75120 Uppsala, Sweden
来源：
IEEE VTC 53RD VEHICULAR TECHNOLOGY CONFERENCE, SPRING 2001, VOLS 1-4, PROCEEDINGS | 2001年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A channel in a wireless communication link is often treated as time invariant over an estimation interval, during which a least squares estimate of the channel is calculated, using training symbols. By a second order Taylor expansion of the channel, the estimation error, due to time variation, can be approximated as a bias and an excess error, which are due to the curvature and linear change of the channel, respectively. Approximate expressions for the variance of the estimation error in a Rayleigh fading channel, are presented here.
引用
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页码：372 / 376
页数：5
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