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 …

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 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 …

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 …

Direction-of-arrival estimation using a sparse representation of array covariance vectors

J Yin, T Chen - IEEE Transactions on Signal Processing, 2011 - ieeexplore.ieee.org
A new direction-of-arrival (DOA) estimation method is proposed based on a novel data
model using the concept of a sparse representation of array covariance vectors (SRACV), in …

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 …

Gridless DOA estimation and root-MUSIC for non-uniform linear arrays

M Wagner, Y Park, P Gerstoft - IEEE transactions on signal …, 2021 - ieeexplore.ieee.org
Gridless direction of arrival (DOA) estimation is addressed for a 1-D non-uniform array
(NUA) of arbitrary geometry. Currently, gridless DOA estimation is solved via convex …

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 …

Generalized coprime array configurations for direction-of-arrival estimation

S Qin, YD Zhang, MG Amin - IEEE Transactions on Signal …, 2015 - ieeexplore.ieee.org
A coprime array uses two uniform linear subarrays to construct an effective difference
coarray with certain desirable characteristics, such as a high number of degrees-of-freedom …

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 …