Pattern-coupled sparse Bayesian learning for recovery of block-sparse signals

J Fang, Y Shen, H Li, P Wang - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
We consider the problem of recovering block-sparse signals whose cluster patterns are
unknown a priori. Block-sparse signals with nonzero coefficients occurring in clusters arise …

Deep learning-aided coherent direction-of-arrival estimation with the FTMR algorithm

K Lee - IEEE Transactions on Signal Processing, 2022 - ieeexplore.ieee.org
In this work, we apply deep learning to estimate the direction-of-arrival (DoA) of multiple
narrowband signals with a uniform linear array in a coherent environment. First, the …

A DOA estimation algorithm based on eigenvalues ranking problem

F Chen, D Yang, S Mo - IEEE Transactions on Instrumentation …, 2023 - ieeexplore.ieee.org
Although traditional subspace direction of arrival (DOA) algorithms enable super-resolution,
the algorithm performance declines sharply when the number of sources is incorrectly …

An improved ESPRIT-like algorithm for coherent signals DOA estimation

W Zhang, Y Han, M Jin, XS Li - IEEE Communications Letters, 2019 - ieeexplore.ieee.org
ESPRIT-like algorithm and its variants are widely used in preprocessing schemes that
provide high performance of high-resolution parameter estimation algorithms for coherent …

Sparse linear antenna arrays: a review

A Patwari - Antenna Systems, 2021 - books.google.com
Linear sparse antenna arrays have been widely studied in array processing literature. They
belong to the general class of non-uniform linear arrays (NULAs). Sparse arrays need fewer …

New approaches to direction-of-arrival estimation with sensor arrays in unknown nonuniform noise

B Liao, L Huang, C Guo, HC So - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
It is known that classical subspace-based direction-of-arrival (DOA) estimation algorithms
are not straightforwardly applicable to scenarios with unknown spatially nonuniform noise …

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 …

Low-complexity high-resolution parameter estimation for automotive MIMO radars

YC Lin, TS Lee, YH Pan, KH Lin - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, we propose a parameter estimation method for multiple-input-multiple-output
(MIMO) automotive radars that consists of two stages. The first stage is a low-complexity …

Efficient coherent direction-of-arrival estimation and realization using digital signal processor

V Dakulagi, M Alagirisamy… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A novel efficient coherent direction-of-arrival (DOA) estimation method is devised in this
article. First, a new cost function without the knowledge of source number is developed …

DOA estimation of the coherent signals using beamspace matrix reconstruction

QI Bingbing - Signal Processing, 2022 - Elsevier
The matrix reconstruction technique can effectively estimate the direction-of-arrival (DOA) of
coherent signals with a relatively small computational complexity. However, the existing …