A review of sparse sensor arrays for two-dimensional direction-of-arrival estimation

I Aboumahmoud, A Muqaibel, M Alhassoun… - IEEE …, 2021 - ieeexplore.ieee.org
Two-dimensional (2D) arrays are fundamental to localization applications. Specifically,
sparse arrays can provide superior direction-of-arrival (DoA) estimation performance with …

Direction-of-arrival estimation for coprime array via virtual array interpolation

C Zhou, Y Gu, X Fan, Z Shi, G Mao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Coprime arrays can achieve an increased number of degrees of freedom by deriving the
equivalent signals of a virtual array. However, most existing methods fail to utilize all …

A review of closed-form Cramér-Rao bounds for DOA estimation in the presence of Gaussian noise under a unified framework

Y Liang, W Liu, Q Shen, W Cui, S Wu - Ieee Access, 2020 - ieeexplore.ieee.org
The Cramér-Rao Bound (CRB) for direction of arrival (DOA) estimation has been extensively
studied over the past four decades, with a plethora of CRB expressions reported for various …

Two sparse-based methods for off-grid direction-of-arrival estimation

X Wu, WP Zhu, J Yan, Z Zhang - Signal processing, 2018 - Elsevier
Recently, many sparse-based methods have been proposed for direction-of-arrival (DOA)
estimation. However, these methods often suffer from the grid mismatch problem caused by …

Direction-of-arrival estimation with coarray ESPRIT for coprime array

C Zhou, J Zhou - Sensors, 2017 - mdpi.com
A coprime array is capable of achieving more degrees-of-freedom for direction-of-arrival
(DOA) estimation than a uniform linear array when utilizing the same number of sensors …

Two-dimensional DOA estimation via deep ensemble learning

W Zhu, M Zhang, P Li, C Wu - IEEE Access, 2020 - ieeexplore.ieee.org
To achieve fast and accurate two-dimensional (2D) direction of arrival (DOA) estimation, a
novel deep ensemble learning method is presented in this paper. First, a convolutional …

Effective block sparse representation algorithm for DOA estimation with unknown mutual coupling

Q Wang, T Dou, H Chen, W Yan… - IEEE Communications …, 2017 - ieeexplore.ieee.org
Unknown mutual coupling effect can degrade the performance of a direction of arrival
estimation method. In this letter, a new method is proposed for uniform linear arrays (ULAs) …

RARE-based localization for mixed near-field and far-field rectilinear sources

H Chen, WP Zhu, W Liu, MNS Swamy, Y Li… - Digital Signal …, 2019 - Elsevier
In this paper, a novel localization method for mixed near-field (NF) and far-field (FF)
rectilinear or strictly noncircular sources is proposed using the noncircular information for a …

Generalized widely linear robust adaptive beamforming: A sparse reconstruction perspective

Y Yue, Z Zhang, Z Shi - IEEE Transactions on Aerospace and …, 2024 - ieeexplore.ieee.org
Widely linear (WL) robust adaptive beamforming exhibits superior performance by effectively
leveraging the additional noncircularity information. However, existing studies focus solely …

2-D DOA estimation for nested conformal arrays via sparse reconstruction

M Fu, Z Zheng, WQ Wang - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
In this letter, we devise a cylindrical conformal array with nested subarray structures and
propose a two-dimensional (2-D) direction-of-arrival (DOA) algorithm via sparse …