Solution and analysis of TDOA localization of a near or distant source in closed form

Y Sun, KC Ho, Q Wan - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
Point positioning and direction of arrival (DOA) localization require separate estimators,
depending on whether the source is near or distant from the sensors. The use of modified …

Sparsity-based two-dimensional DOA estimation for coprime array: From sum–difference coarray viewpoint

J Shi, G Hu, X Zhang, F Sun… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper addresses the issue of two-dimensional (2-D) direction of arrival (DOA)
estimation with coprime planar arrays (CPPAs) via sparse representation. Our work differs …

Real-valued MUSIC for efficient direction of arrival estimation with arbitrary arrays: Mirror suppression and resolution improvement

XT Meng, BX Cao, FG Yan, M Greco, F Gini, Y Zhang - Signal Processing, 2023 - Elsevier
Existing real-valued subspace-based direction of arrival (DOA) estimation methods mainly
face two problems: the limitations of uniform linear array (ULA) in practical applications and …

Enhanced PUMA for direction-of-arrival estimation and its performance analysis

C Qian, L Huang, ND Sidiropoulos… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Direction-of-arrival (DOA) estimation is a problem of significance in many applications. In
practice, due to the occurrence of coherent signals and/or when the number of available …

Augmented subspace MUSIC method for DOA estimation using acoustic vector sensor array

A Liu, D Yang, S Shi, Z Zhu, Y Li - IET Radar, Sonar & …, 2019 - Wiley Online Library
In the scenario of ambient noise, the noise powers received by the pressure and velocity
components in an underwater acoustic vector sensor (AVS) array are unequal. This paper …

Non-iterative subspace-based DOA estimation in the presence of nonuniform noise

M Esfandiari, SA Vorobyov, S Alibani… - IEEE Signal …, 2019 - ieeexplore.ieee.org
The uniform white noise assumption is one of the basic assumptions in most of the existing
direction-of-arrival (DOA) estimation methods. In many applications, however, the …

Localization of near-field sources based on linear prediction and oblique projection operator

W Zuo, J Xin, W Liu, N Zheng… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper investigates the localization of multiple near-field narrowband sources with a
symmetric uniform linear array, and a new linear prediction approach based on the …

Fast direction of arrival estimation for uniform circular arrays with a virtual signal subspace

K Xu, Y Quan, B Bie, M Xing, W Nie… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, an augmented subspace-based algorithm for detecting the direction of arrival
(DOA) of signals is presented. In the developed scheme, a uniform circular antenna array …

High-accuracy DOA estimation algorithm at low SNR through exploiting a supervised index

K Xu, M Xing, R Zhang, E Hanyu, M Sha… - … on Aerospace and …, 2022 - ieeexplore.ieee.org
Performance of direction of arrival (DOA) estimation is one of the most important issues in
array signal processing. Subspace-based algorithms provide a good compromise between …

Multistep knowledge-aided iterative esprit: Design and analysis

SFB Pinto, RC De Lamare - IEEE Transactions on Aerospace …, 2018 - ieeexplore.ieee.org
In this work, we propose a subspace-based algorithm for direction-of-arrival (DOA)
estimation that iteratively reduces the disturbance factors of the estimated data covariance …