Title
2D-DOA Estimation in Arc-Array With a DNN Based Covariance Matrix Completion Strategy
Abstract
Two-dimensional direction of arrival (2D-DOA) estimation, or estimating the azimuth and elevation angles of sources simultaneously, is an increasingly important area in array signal processing. This paper presents a 2D-DOA algorithm together with a novel structure of array named Arc-Array (ArcA). The ArcA is enlarged to a virtual Uniform Circular Array (UCA) through a Deep-Neural-Network (DNN) based covariance matrix completion strategy; afterward, the MUSIC algorithm is performed with the completed covariance matrix. The proposed method is named as ArcA-DNN, and the performance of ArcA-DNN is evaluated by computer simulations. The simulation results indicate that the performance of 2D-DOA estimation in ArcA is able to approach that of a complete UCA; meanwhile, the number of physical elements is substantially reduced compared to the UCA. Moreover, the proposed ArcA-DNN algorithm gives access to implementing underdetermined 2D-DOA estimation with reasonable results.
Year
DOI
Venue
2022
10.1109/ACCESS.2022.3172478
IEEE ACCESS
Keywords
DocType
Volume
Covariance matrices, Estimation, Antenna arrays, Array signal processing, Signal processing algorithms, Direction-of-arrival estimation, Neurons, 2D-DOA estimation, UCA, ArcA, covariance matrix completion, deep learning
Journal
10
ISSN
Citations 
PageRank 
2169-3536
0
0.34
References 
Authors
0
5
Name
Order
Citations
PageRank
Ye Tian101.35
Ruru Mei200.68
Yonghui Huang322.81
Xiaogang Tang400.68
Tianshu Cui500.34