Identifiability results for blind beamforming in incoherent multipath with small delay spread

被引：95

作者：

Sidiropoulos, ND ^{[1
]}

Liu, XQ ^{[1
]}

机构：

[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2001年 / 49卷 / 01期

基金：

美国国家科学基金会;

关键词：

array signal processing; delay estimation; direction-of-arrival estimation; matrix decomposition;

D O I：

10.1109/78.890366

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Several explicit identifiability results are derived for deterministic blind beamforming in incoherent multipath with small delay spread. For example, it is shown that if the sum of spatial and fractional sampling diversities exceeds two times the total number of paths, then identifiability can be guaranteed even for one symbol snapshot. The tools come from the theory of low-rank three-way array decomposition (commonly referred to as parallel factor analysis (PARAFAC) and data smoothing in one and two dimensions, New results regarding the Kruskal-rank of certain structured matrices are also included, and they are of interest in their own right.

引用

页码：228 / 236

页数：9

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