Robust variational Bayesian inference for direction-of-arrival estimation with sparse array

Y Liu, Z Zhang, C Zhou, C Yan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Conventional direction-of-arrival (DOA) estimation algorithms are sensitive to array
imperfections and outliers, making it challenging to realize accurate estimates in real …

Real-valued sparse Bayesian learning for DOA estimation with arbitrary linear arrays

J Dai, HC So - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
Sparse Bayesian learning (SBL) has become a popular approach for direction-of-arrival
(DOA) estimation, but its computational complexity for Bayesian inference is quite high …

Direction-of-arrival estimation with time-varying arrays via Bayesian multitask learning

ZM Liu - IEEE Transactions on Vehicular Technology, 2014 - ieeexplore.ieee.org
This paper proposes a Bayesian method to address the farfield narrowband direction-of-
arrival (DOA) estimation problem with time-varying arrays, whose elements relatively move …

An efficient maximum likelihood method for direction-of-arrival estimation via sparse Bayesian learning

ZM Liu, ZT Huang, YY Zhou - IEEE Transactions on Wireless …, 2012 - ieeexplore.ieee.org
The computationally prohibitive multi-dimensional searching procedure greatly restricts the
application of the maximum likelihood (ML) direction-of-arrival (DOA) estimation method in …

DOA estimation using block variational sparse Bayesian learning

Q Huang, G Zhang, Y Fang - Chinese Journal of Electronics, 2017 - Wiley Online Library
In Direction‐of‐arrival (DOA) estimation, the real‐valued sparse Bayesian algorithm
degrades the estimation performance by decomposing the complex value into real and …

[HTML][HTML] An off-grid direction-of-arrival estimator based on sparse Bayesian learning with three-stage hierarchical Laplace priors

N Li, XK Zhang, B Zong, F Lv, JH Xu, Z Wang - Signal Processing, 2024 - Elsevier
For direction-of-arrival (DOA) estimation problems, sparse Bayesian learning (SBL) has
achieved excellent estimation performance, especially in sparse arrays. However, numerous …

A robust and statistically efficient maximum-likelihood method for DOA estimation using sparse linear arrays

Z Yang, X Chen, X Wu - IEEE Transactions on Aerospace and …, 2023 - ieeexplore.ieee.org
The recent trend of research on direction-of-arrival estimation is to localize more
uncorrelated sources than sensors by using a proper sparse linear array (SLA) at the cost of …

Efficient direction-of-arrival estimation via sparse Bayesian learning

L Sun, HL Wang, GJ Xu, Y Su - 电子与信息学报, 2013 - jeit.ac.cn
Abstract Sparsity-based Direction-Of-Arrival (DOA) estimation via l1-norm optimization
requires fine tuning of the regularization parameter and large computational times. To …

Nonuniform linear array DOA estimation using EM criterion

J Yang, Y Yang, B Lei, J Lu, L Yang - Digital Signal Processing, 2019 - Elsevier
In this letter, we address the problem of Direction of Arrival (DOA) estimation with
nonuniform linear array in the context of sparse Bayesian learning (SBL) framework. The …

DOA estimation for coherent signals with improved sparse representation in the presence of unknown spatially correlated Gaussian noise

Y Fang, S Zhu, Y Gao, C Zeng - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, a new method is proposed for direction-of-arrival (DOA) estimation of coherent
signals with improved sparse representation in unknown spatially correlated Gaussian …