Robust detection of ultra-wideband signals in non-Gaussian noise

被引：19

作者：

Güney, N ^{[1
]}

Deliç, H ^{[1
]}

Koca, M ^{[1
]}

机构：

[1] Bogazici Univ, Dept Elect & Elect Engn, Wireless Commun Lab, TR-34342 Istanbul, Turkey

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2006年 / 54卷 / 04期

关键词：

non-Gaussian noise; rake receiver; robust detection; ultra-wideband (UWB) communications;

D O I：

10.1109/TMTT.2006.872038

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：

A robust receiver is proposed for time-hopping pulse-position-modulation impulse radio systems transmitting over frequency-selective ultra-wideband channels, which aims to remove large-amplitude outliers that occur due to impulsive noise. The proposed system contains a rake structure for collecting the signal energy, which is dispersed over a large number of paths as a result of the wide channel bandwidth. Before the paths are merged via maximal ratio combining, they are passed through nonlinearities; to trim the outlier noise components. The robust receiver so designed is shown to outperform the conventional linear rake receiver that consists of only matched filters at its fingers.

引用

页码：1724 / 1730

页数：7

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