Direction-of-arrival estimation under array sensor failures with ULA

B Sun, C Wu, J Shi, HL Ruan, WQ Ye - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, to address the problem of array sensors failure, we propose a covariance
matrix reconstruction method for direction-of-arrival (DOA) estimation. Firstly, we devise a …

Multi-frequency co-prime arrays for high-resolution direction-of-arrival estimation

E BouDaher, Y Jia, F Ahmad… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper presents multi-frequency operation for increasing the number of resolvable
sources in high-resolution direction-of-arrival (DOA) estimation using co-prime arrays. A …

Unified coprime array with multi-period subarrays for direction-of-arrival estimation

W Wang, S Ren, Z Chen - Digital Signal Processing, 2018 - Elsevier
The original coprime array is a sparse geometry with a pair of one-period subarrays, where
the interelement spacing and number of sensors are coprime so that no elements overlap …

Estimation of two-dimensional direction-of-arrival for uncorrelated and coherent signals with low complexity

Y Zhang, Z Ye, X Xu, J Cui - IET radar, sonar & navigation, 2010 - IET
In this study, a low complexity two-dimensional direction-of-arrival (2-D DOA) estimation
method is proposed with uniform rectangular array (URA) when uncorrelated and coherent …

Nested arrays: A novel approach to array processing with enhanced degrees of freedom

P Pal, PP Vaidyanathan - IEEE Transactions on Signal …, 2010 - ieeexplore.ieee.org
A new array geometry, which is capable of significantly increasing the degrees of freedom of
linear arrays, is proposed. This structure is obtained by systematically nesting two or more …

Structured Nyquist correlation reconstruction for DOA estimation with sparse arrays

C Zhou, Y Gu, Z Shi, M Haardt - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
Sparse arrays are known to achieve an increased number of degrees-of-freedom (DOFs) for
direction-of-arrival (DOA) estimation, where an augmented virtual uniform array calculated …

2D-DOA estimation for coherent signals via a polarized uniform rectangular array

Z Zhang, F Wen, J Shi, J He… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
This letter aims to estimate the 2-D direction-of-arrival (DOA) using a polarized uniform
rectangular array (URA) under multipath propagation. To leverage the tensorial nature, a …

Direction of arrival estimation of quasi-stationary signals using unfolded coprime array

J Li, X Zhang - IEEE access, 2017 - ieeexplore.ieee.org
Direction of arrival (DOA) estimation of quasi-stationary signals (QSS) is discussed in this
paper, and an algorithm using unfolded coprime array is proposed. Coprime array consists …

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 …

Pseudo noise subspace based DOA estimation for unfolded coprime linear arrays

X Huang, X Yang, L Cao, W Lu - IEEE Wireless …, 2021 - ieeexplore.ieee.org
To achieve a better tradeoff between the direction-of-arrival (DOA) estimation resolution and
complexity compared to the existing sparse array based estimators, this letter proposes a …