A method of 2-D DOA estimation of coherent signals based on uniform circular array via spatial smoothing

Author

Wu, Yao ; Chen, Hui ; Chen, Yongchao

Author_Institution

Dept. of Grad. Manage., Radar Inst., Wuhan, China

Volume

1

fYear

2011

fDate

24-27 Oct. 2011

Firstpage

312

Lastpage

314

Abstract

A method of two-dimensional (2-D) direction-of-arrival (DOA) estimation of coherent signals is proposed in this paper. Firstly, the subarrays for spatial smoothing are formed by utilizing the symmetric configuration of the uniform-circular-array (UCA). Then the coherent signals can be resolved without any array transformations based on the algorithm of the spatial smoothing. The numbers of the elements can be decreased largely by using this method. The good performance is not only for DOA estimation of the coherent signals, but also for the non-correlation ones. Finally, the computer simulation tests verify the validity of the presented method.

Keywords

direction-of-arrival estimation; smoothing methods; 2D DOA estimation; UCA; coherent signals; computer simulation; spatial smoothing; two-dimensional direction-of-arrival estimation; uniform circular array; Arrays; Direction of arrival estimation; Estimation; Multiple signal classification; Sensors; Smoothing methods; Vectors; coherent; spatial smoothing; two dimension; uniform circular array;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar (Radar), 2011 IEEE CIE International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4244-8444-7

Type

conf

DOI

10.1109/CIE-Radar.2011.6159539

Filename

6159539