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 …

Direction-of-arrival estimation for coprime array via virtual array interpolation

C Zhou, Y Gu, X Fan, Z Shi, G Mao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Coprime arrays can achieve an increased number of degrees of freedom by deriving the
equivalent signals of a virtual array. However, most existing methods fail to utilize all …

Augmented covariance matrix reconstruction for DOA estimation using difference coarray

Z Zheng, Y Huang, WQ Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
As is well known, nonuniform linear arrays have significant advantages in array aperture
and degrees of freedom over uniform linear arrays. Using their difference coarrays …

[HTML][HTML] Direction-of-arrival estimation with coarray ESPRIT for coprime array

C Zhou, J Zhou - Sensors, 2017 - mdpi.com
A coprime array is capable of achieving more degrees-of-freedom for direction-of-arrival
(DOA) estimation than a uniform linear array when utilizing the same number of sensors …

Coarray interpolation for DOA estimation using coprime EMVS array

M Fu, Z Zheng, WQ Wang, HC So - IEEE Signal Processing …, 2021 - ieeexplore.ieee.org
In this letter, we develop a coarray interpolation method for direction-of-arrival (DOA)
estimation using the coprime electromagnetic vector-sensor (EMVS) array. Firstly, we derive …

Rank minimization-based Toeplitz reconstruction for DoA estimation using coprime array

S Liu, Z Mao, YD Zhang… - IEEE Communications …, 2021 - ieeexplore.ieee.org
In this letter, we address the problem of direction finding using coprime array, which is one of
the most preferred sparse array configurations. Motivated by the fact that non-uniform …

Two-dimensional DOA estimation using two parallel nested arrays

Z Zheng, S Mu - IEEE Communications Letters, 2019 - ieeexplore.ieee.org
In this letter, we propose a new method for two-dimensional (2-D) direction-of-arrival (DOA)
estimation using two parallel nested arrays. In this method, an augmented covariance matrix …

A computationally efficient subspace algorithm for 2-D DOA estimation with L-shaped array

N Xi, L Liping - IEEE signal processing letters, 2014 - ieeexplore.ieee.org
In this letter, a computationally efficient subspace algorithm is developed for two-
dimensional (2-D) direction-of-arrival (DOA) estimation with L-shaped array structured by …

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 …

Direction-of-arrival estimation of coherent signals via coprime array interpolation

Z Zheng, Y Huang, WQ Wang… - IEEE Signal Processing …, 2020 - ieeexplore.ieee.org
In this letter, we devise an efficient approach for estimating the directions-of-arrival (DOAs) of
coherent signals using coprime arrays. Specifically, we firstly derive an augmented uniform …