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 …

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 …

DOA estimation of coherent sources using coprime array via atomic norm minimization

X Zhang, Z Zheng, WQ Wang… - IEEE Signal Processing …, 2022 - ieeexplore.ieee.org
In this letter, we develop an effective algorithm for direction-of-arrival (DOA) estimation of
coherent sources with coprime arrays. Firstly, we generate a virtual uniform linear array …

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 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 …

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 …

Joint DoA-range estimation using space-frequency virtual difference coarray

Z Mao, S Liu, YD Zhang, L Han… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we address the problem of joint direction-of-arrival (DoA) and range estimation
using frequency diverse coprime array (FDCA). By incorporating the coprime array structure …

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 …

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 …