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 …

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 …

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 …

DOA estimation for coprime EMVS arrays via minimum distance criterion based on PARAFAC analysis

T Ahmed, Z Xiaofei, Z Wang - IET Radar, Sonar & Navigation, 2019 - Wiley Online Library
This study presents a minimum distance‐based direction‐of‐arrival (DOA) estimation
algorithm for coprime electromagnetic vector sensor (EMVS) arrays. The idea is to split‐up …

Vandermonde decomposition of coprime coarray covariance matrix for DOA estimation

Y Shen, C Zhou, Y Gu, H Lin… - 2017 IEEE 18th …, 2017 - ieeexplore.ieee.org
In this paper, we propose a novel Vandermonde decomposition-based direction-of-arrival
(DOA) estimation algorithm by using a coprime array, where increased number of degrees …

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 …

[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 …

Two-dimensional DOA estimation using parallel coprime subarrays

S Qin, YD Zhang, MG Amin - 2016 IEEE Sensor Array and …, 2016 - ieeexplore.ieee.org
A conventional coprime array is a linear array, which consists of two uniform linear
subarrays to construct an effective difference coarray with certain desirable characteristics …

Coarray interpolation-based coprime array DOA estimation via covariance matrix reconstruction

C Zhou, Z Shi, Y Gu, YD Zhang - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Coprime arrays are capable of achieving an increased number of degrees-of-freedom by
operating the coarray signals. However, their non-uniform coarrays prevent the full utilization …

Multiple-Toeplitz matrices reconstruction algorithm for DOA estimation of coherent signals

W Zhang, Y Han, M Jin, X Qiao - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, a new direction-of-arrival (DOA) estimation method based on multiple Toeplitz
matrices reconstruction is proposed for coherent narrowband signals with a uniform linear …