An efficient sparse Bayesian DOA estimator based on fixed-point method for off-grid targets

Y Huang, Z Chen, D Li, K Ye, L Zhou, S Hong - Expert Systems with …, 2025 - Elsevier
Direction of arrival (DOA) estimation based on sparse Bayesian learning (SBL) is a target
localization algorithm that is vital for underwater communication systems. However, SBL …

Machine Learning-enhanced Direction-of-Arrival Estimation for Coherent and Non-Coherent Sources

GN Basavaraj, B Ainapure, MR Sowmya… - … , Technology & Applied …, 2025 - etasr.com
Abstract Accurate Direction-Of-Arrival (DOA) estimation for both coherent and non-coherent
sources remains a critical challenge in array signal processing, particularly under sparse …

Direction of Arrival Estimation Using Modified Maximum Likelihood Function Based on the Nyström Method

R Suleesathira - 2024 Asian Conference on Communication …, 2024 - ieeexplore.ieee.org
The maximum likelihood (ML) technique offers high performance for the direction-of-arrival
(DOA) estimation but is computational expensive. Conventionally, this approach uses the …