Gridless one-bit direction-of-arrival estimation via atomic norm denoising

Z Wei, W Wang, F Dong, Q Liu - IEEE communications letters, 2020 - ieeexplore.ieee.org
In this letter, a gridless one-bit direction-of-arrival (DOA) estimation approach with one-
snapshot is proposed to be robust against the off-grid errors and sign inconsistency because …

Gridless direction of arrival estimation exploiting sparse linear array

T Chen, L Shi, L Guo - IEEE Signal Processing Letters, 2020 - ieeexplore.ieee.org
In this letter, a dual formulation of atomic norm minimization (ANM) approach is proposed by
exploiting the vectorized covariance data of the signals received by the extended virtual …

Low-complexity optimization for two-dimensional direction-of-arrival estimation via decoupled atomic norm minimization

Z Tian, Z Zhang, Y Wang - 2017 IEEE International Conference …, 2017 - ieeexplore.ieee.org
This paper presents an efficient optimization technique for super-resolution two-dimensional
(2D) direction of arrival (DOA) estimation by introducing a new formulation of atomic norm …

Direct one-bit DOA estimation robust in presence of unequal power signals

AM Molaei, V Fusco, O Yurduseven - IEEE Access, 2024 - ieeexplore.ieee.org
Direction-of-arrival (DOA) estimation is a crucial task in wireless communication and radar
systems, with applications spanning beamforming, localization, and target tracking …

Multi-source off-grid DOA estimation with single snapshot using non-uniform linear arrays

Y Ma, X Cao, X Wang, MS Greco, F Gini - Signal Processing, 2021 - Elsevier
Direction of arrival (DOA) estimation methods suffer from the well-known off-grid problem,
that shows up when the true DOAs are not located exactly on the discretized sampling grid …

A grid-less approach to underdetermined direction of arrival estimation via low rank matrix denoising

P Pal, PP Vaidyanathan - IEEE Signal Processing Letters, 2014 - ieeexplore.ieee.org
The problem of direction of arrival (DOA) estimation of narrowband sources using an
antenna array is considered where the number of sources can potentially exceed the …

DOA estimation of non-circular source for large uniform linear array with a single snapshot: Extended DFT method

B Li, X Zhang, J Li, P Ma - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
This letter considers the direction of arrival (DOA) estimation of non-circular (NC) source
using a large uniform linear array with a single snapshot. First, by utilizing the waveform …

An off-grid DOA estimation method using proximal splitting and successive nonconvex sparsity approximation

X Zhang, T Jiang, Y Li, X Liu - IEEE Access, 2019 - ieeexplore.ieee.org
Direction-of-arrival (DOA) estimation is a fundamental problem in many signal processing.
Recently, a variety of sparsity-aware methods have been proposed for DOA estimation. The …

Grid‐less coherent DOA estimation based on fourth‐order cumulants with Gaussian coloured noise

Y Zhang, G Zhang, H Leung - IET Radar, Sonar & Navigation, 2020 - Wiley Online Library
This study investigates the continuous coherent direction‐of‐arrival (DOA) estimation, and
concentrated on developing grid‐less sparsity‐based methods to Gaussian coloured noise …

Enhancing sparsity and resolution via reweighted atomic norm minimization

Z Yang, L Xie - IEEE Transactions on Signal Processing, 2015 - ieeexplore.ieee.org
The mathematical theory of super-resolution developed recently by Candès and Fernandes-
Granda states that a continuous, sparse frequency spectrum can be recovered with infinite …