Underdetermined DOA estimation under the compressive sensing framework: A review

Q Shen, W Liu, W Cui, S Wu - IEEE Access, 2016 - ieeexplore.ieee.org
Direction of arrival (DOA) estimation from the perspective of sparse signal representation
has attracted tremendous attention in past years, where the underlying spatial sparsity …

Off-grid direction-of-arrival estimation using coprime array interpolation

C Zhou, Y Gu, Z Shi, YD Zhang - IEEE Signal Processing …, 2018 - ieeexplore.ieee.org
In this letter, we propose a coprime array interpolation approach to provide an off-grid
direction-of-arrival (DOA) estimation. Through array interpolation, a uniform linear array …

Sparse methods for direction-of-arrival estimation

Z Yang, J Li, P Stoica, L Xie - Academic Press Library in Signal Processing …, 2018 - Elsevier
Abstract Direction-of-arrival (DOA) estimation refers to the process of retrieving the direction
information of several electromagnetic waves/sources from the outputs of a number of …

Direction of arrival estimation of wideband sources using sparse linear arrays

F Wang, Z Tian, G Leus, J Fang - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
In this paper, we study the problem of wideband direction of arrival (DoA) estimation with
sparse linear arrays (SLAs), where a number of uncorrelated wideband signals impinge on …

Real-valued deep unfolded networks for off-grid DOA estimation via nested array

X Su, Z Liu, J Shi, P Hu, T Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Recently, deep unfolded networks have been widely utilized in direction of arrival (DOA)
estimation due to the reduced computational complexity and improved estimation accuracy …

Simplified and enhanced multiple level nested arrays exploiting high-order difference co-arrays

Q Shen, W Liu, W Cui, S Wu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Based on the high-order difference co-array concept, an enhanced four-level nested array
(E-FL-NA) is first proposed, which optimizes the consecutive lags at the fourth-order …

Low complexity DOA estimation for wideband off-grid sources based on re-focused compressive sensing with dynamic dictionary

W Cui, Q Shen, W Liu, S Wu - IEEE Journal of Selected Topics …, 2019 - ieeexplore.ieee.org
Under the compressive sensing (CS) framework, a novel focusing based direction of arrival
(DOA) estimation method is first proposed for wideband off-grid sources, and by avoiding the …

[PDF][PDF] 基于Toeplitz 协方差矩阵重构的互质阵列DOA 估计方法

孙兵, 阮怀林, 吴晨曦, 钟华 - 电子与信息学报, 2019 - jeit.ac.cn
针对基于互质阵列的欠定DOA 估计方法对于虚拟阵元非连续部分利用率不高的问题,
该文提出一种基于Toeplitz 协方差矩阵重构的DOA 估计方法. 首先, 从互质阵列差联合阵的角度 …

Group sparsity based localization for far-field and near-field sources based on distributed sensor array networks

Q Shen, W Liu, L Wang, Y Liu - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
A distributed sensor array network is studied, where sub-arrays are placed on those
distributed observation platforms. In this model, bearing-only source localization is …

Coprime array design with minimum lag redundancy

A Ahmed, YD Zhang, JK Zhang - ICASSP 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
In this paper, we propose a new sparse coprime array design that achieves a higher number
of degrees-of-freedom for direction-of-arrival (DOA) estimation. The proposed array design …