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 …

Coupled coarray tensor CPD for DOA estimation with coprime L-shaped array

H Zheng, Z Shi, C Zhou, M Haardt… - IEEE Signal Processing …, 2021 - ieeexplore.ieee.org
Conventional canonical polyadic decomposition (CPD) approach for tensor-based sparse
array direction-of-arrival (DOA) estimation typically partitions the coarray statistics to …

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] 互质阵列信号处理研究进展: 波达方向估计与自适应波束成形

周成伟, 郑航, 顾宇杰, 王勇, 史治国 - 雷达学报, 2019 - radars.ac.cn
阵列信号处理是雷达领域各类应用的核心技术之一. 近年来, 互质阵列的提出打破了传统方法受
限于奈奎斯特采样速率这一瓶颈, 其稀疏布设的阵列结构和互质欠采样的信号处理方式大幅降低 …

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 …

A new atomic norm for DOA estimation with gain-phase errors

P Chen, Z Chen, Z Cao, X Wang - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
The problem of direction of arrival (DOA) estimation has been studied for decades as an
essential technology in enabling radar, wireless communications, and array signal …

[HTML][HTML] Research progress on coprime array signal processing: Direction-of-arrival estimation and adaptive beamforming

Z Chengwei, Z Hang, GU Yujie, W Yong, SHI Zhiguo - 雷达学报, 2019 - radars.ac.cn
Array signal processing is an essential tool in broad radar applications. The coprime array
has recently been proposed to overcome the bottleneck caused by the Nyquist spatial …

Generalized non-redundant sparse array designs

A Ahmed, YD Zhang - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
We present novel generalized non-redundant sparse array design strategies that achieve
the highest possible number of degrees-of-freedom (DOFs) for direction-of-arrival (DOA) …

Super-resolution channel estimation for arbitrary arrays in hybrid millimeter-wave massive MIMO systems

Y Wang, Y Zhang, Z Tian, G Leus… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
This paper develops efficient channel estimation techniques for millimeter-wave (mmWave)
massive multiple-input multiple-output (MIMO) systems under practical hardware limitations …