On the estimation of doubly-selective fading channels

被引：0
|
作者：
Qu, Fengzhong [1 ]
Yang, Liuqing [1 ]
机构：
[1] Univ Florida, Dept ECE, Gainesville, FL 32611 USA
来源：
2008 42ND ANNUAL CONFERENCE ON INFORMATION SCIENCES AND SYSTEMS, VOLS 1-3 | 2008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：
Coherent communications over doubly-selective fading channels are attracting increasing research interests because of the performance advantage over their noncoherent counterparts. In this paper, we use a simple windowing and de-widowing technique to improve the accuracy of existing basis expansion model (BEM) and develop a windowed least-squares (WLS) estimator for doubly-selective fading channels. Our designs can considerably improve the channel estimation performance. We also design the optimum pilot patten for the WLS estimator. Simulations are provided to corroborate our theoretical analysis.
引用
收藏
页码：1279 / 1284
页数：6
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