DOA estimation for massive MIMO systems with unknown mutual coupling based on block sparse Bayesian learning

Y Liu, N Dong, X Zhang, X Zhao, Y Zhang, T Qiu - Sensors, 2022 - mdpi.com
Obtaining accurate angle parameters using direction-of-arrival (DOA) estimation algorithms
is crucial for acquiring channel state information (CSI) in massive multiple-input multiple …

Super-resolution time delay estimation using exponential kernel correlation in impulsive noise and multipath environments

J Ma, J Zhang, Z Yang, H Liu, L Wan, T Qiu - Digital Signal Processing, 2023 - Elsevier
The time delay estimation (TDE) is an important and fundamental part in wireless
communication signal processing, which has been widely used in localization, intelligent …

Joint model-order and robust doa estimation for underwater sensor arrays

U Hamid, S Wyne, NR Butt - Sensors, 2023 - mdpi.com
The direction-of-arrival (DoA) estimation algorithms have a fundamental role in target
bearing estimation by sensor array systems. Recently, compressive sensing (CS)-based …

Underwater Acoustic DOA Estimation of incoherent signal based on improved GA-MUSIC

C Lan, H Chen, L Zhang, R Guo, C Han, D Luo - IEEE Access, 2023 - ieeexplore.ieee.org
The problem of poor real-time capability, a large number of traversals and the long operation
time of the MUSIC algorithm bring great difficulties to the application of DOA estimation. For …

Random Time Division Multiplexing Based MIMO Radar Processing with Tensor Completion Approach

Y Zhang, Y Qiao, G Li, W Li, Q Tian - Sensors, 2023 - mdpi.com
Automotive radar pursues low cost and high performance, and especially hopes to improve
the angular resolution under the condition of a limited number of multiple-input–multiple …

A Robust Direction of Arrival Estimation Method With High DOF Mirror Coprime Array in Impulsive Noise

J Ma, W Bian, J Wang, Z Yang, L Wan… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Direction of arrival (DOA) plays an essential role in wireless communications, which has
been widely utilized in localization and intelligent navigation. Recently, with explosive …

Direction-of-Arrival Estimation for a Random Sparse Linear Array Based on a Graph Neural Network

Y Yang, M Zhang, S Peng, M Ye, Y Zhang - Sensors, 2023 - mdpi.com
This article proposes a direction-of-arrival (DOA) estimation algorithm for a random sparse
linear array based on a novel graph neural network (GNN). Unlike convolutional layers and …

A New Sparse Bayesian Learning-Based Direction of Arrival Estimation Method with Array Position Errors

Y Tian, X Wang, L Ding, X Wang, Q Feng, Q Zhang - Mathematics, 2024 - mdpi.com
In practical applications, the hydrophone array has element position errors, which seriously
degrade the performance of the direction of arrival estimation. We propose a direction of …

Graph Neural Network-Based DOA Estimation Method Exploring Training Data Association

K Liu, H Cui, J Ma - Circuits, Systems, and Signal Processing, 2025 - Springer
Considering the utilization of the correlation between training data, this paper proposes a
graph neural network-based deep learning method for the direction of arrival (DOA) …

DOA estimation for acoustic vector sensor array based on fractional order cumulants sparse representation

Z Shan, R Yao, X Liu, Y Liu - Physical Communication, 2024 - Elsevier
Aiming at the problem that the existing direction of arrival (DOA) estimation algorithms are
difficult to achieve high-precision estimation in environments with mixed Alpha-stable …