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 …

Efficient DOA estimation method for reconfigurable intelligent surfaces aided UAV swarm

P Chen, Z Chen, B Zheng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The conventional direction of arrival (DOA) estimation methods are performed with multiple
receiving channels. In this paper, a changeling DOA estimation problem is addressed in a …

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 …

[HTML][HTML] Control and utilization of range-dependent beampattern with waveform diverse array radars

L Lan, L Guisheng, XU Jingwei, ZHU Shengqi… - Chinese Journal of …, 2022 - Elsevier
The transmit antenna beampattern of the phased array radar is only a function of angle,
limiting its ability to discriminate the targets from the same direction. Recently, the waveform …

Reconfigurable intelligent surface aided sparse DOA estimation method with non-ULA

P Chen, Z Yang, Z Chen, Z Guo - IEEE Signal Processing …, 2021 - ieeexplore.ieee.org
The direction of arrival (DOA) estimation problem is addressed in this letter. A reconfigurable
intelligent surface (RIS) aided system for the DOA estimation is proposed. Unlike traditional …

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 …

Single-snapshot nested virtual array completion: Necessary and sufficient conditions

P Sarangi, MC Hücümenoğlu… - IEEE Signal Processing …, 2022 - ieeexplore.ieee.org
We study the problem of completing the virtual array of a nested array with a single
snapshot. This involves synthesizing a virtual uniform linear array (ULA) with the same …

Underdetermined DOA estimation using arbitrary planar arrays via coarray manifold separation

SK Yadav, NV George - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
Conventional direction-of-arrival (DOA) estimation algorithms like MUSIC only allow
localization of fewer number of sources than the number of physical sensors. In this paper …

Joint DOD and DOA estimation of coherent targets for coprime MIMO radar

X Zhang, Z Zheng, WQ Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Recently, coprime arrays have attracted lots of interest due to their ability of providing
enhanced degrees-of-freedom and reduced mutual coupling effect compared to …

A sparse uniform linear array DOA estimation algorithm for FMCW radar

Z Xu, Y Chen, P Zhang - IEEE Signal Processing Letters, 2023 - ieeexplore.ieee.org
Sparse arrays offer evident advantages over their uniform linear counterparts, including
larger aperture and higher angular resolution. Despite their benefits, typical sparse arrays …