A Space-Time Extended MUSIC Estimation Algorithm for Wide Band Signals

被引：4
|
作者：
Laghmardi, Noureddine [1 ]
Harabi, Ferid [1 ]
Meknessi, Hajer [1 ]
Gharsallah, Ali [1 ]
机构：
[1] Fac Sci Tunis, Haut Frequencies Elect Circuits & Syst Unit, Tunis 2092, Tunisia
来源：
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2013年 / 38卷 / 03期
关键词：
Antennas array; Direction of arrival (DOA); Time of arrival (TOA); Wide band signals and S-T Extended MUSIC; PERFORMANCE ANALYSIS; DELAY ESTIMATION; ESPRIT; RESOLUTION;
D O I：
10.1007/s13369-012-0328-9
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The direction of arrival (DOA) estimation and the time of arrival (TOA) estimation using an antennas array are two key problems in signal processing. Recently, joint estimation of DOA and TOA has attracted considerable attentions for several applications, such as for telecommunications, military and medical. In this paper, a new method is proposed for wide band signals localization. This algorithm is presented with high-resolution localization capabilities, based on the Extended MUSIC algorithm. The capacities of the proposed approach are compared with high resolution algorithms. The new method showed interesting performance in terms of resolution and precision. In addition, the algorithm will show a good ability to estimate a number of sources that exceed the number of sensors in the antennas array which is a constraint in other algorithms.
引用
收藏
页码：661 / 667
页数：7
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