Results 21 to 30 of about 13,013 (218)
Sensors, 2021 Direction of arrival (DOA) estimation has always been a hot topic for researchers. The complex and changeable environment makes it very challenging to estimate the DOA in a small snapshot and strong noise environment.
Huichao Yan +5 more
doaj +1 more source
Remote Sensing, 2023 The adaptive beamforming algorithm can realize interference suppression and navigation signal enhancement, and has been widely used. However, achieving high-precision real-time estimation of the direction of arrival (DOA) parameters of navigation signals
Jian Wu +4 more
doaj +1 more source
An Ultra-fast DOA Estimator with Circular Array Interferometer Using Lookup Table Method [PDF]
, 2015 The time-consuming phase ambiguity resolution makes the uniform circular array (UCA) interferometer not suitable for real-time direction-of-arrival (DOA) estimation. This paper introduces the lookup table (LUT) method to solve this problem.
Huang, J. J. +4 more
core +4 more sources
Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach
International Journal of Antennas and Propagation, 2022 This article proposes a novel approach for the estimation of the direction-of-arrival (DoA) of multiple signals impinging on time-modulated arrays (TMAs).
Qing-He Zhang +2 more
doaj +1 more source
Two-Dimensional Underdetermined DOA Estimation of Quasi-Stationary Signals using Parallel Nested Array [PDF]
Radioengineering, 2020 In this paper, a two dimensional underdetermined direction of arrival estimation (DOA) of quasi-stationary signals using a parallel nested array structure is investigated.
X. Y. Pan +3 more
doaj
High Resolution Direction-of-Arrival Estimation Using Genetic Algorithm [PDF]
Engineering and Technology Journal, 2009 This paper presents an application of a performance analysis of a genetic algorithm GA developed for extraction of the directions of arrival DOA of several signals impinging on uniform linear arrays.
Eyad I. Abbas, Ali Abdul-Elah Noori
doaj +1 more source
DOA Estimation in Non-Uniform Noise Using Matrix Completion via Alternating Projection
IEEE Open Journal of Antennas and Propagation, 2021 In this paper, direction-of-arrival (DOA) estimation in the presence of non-uniform noise is investigated. To achieve high estimation accuracy, the DOA estimation problem is solved with the use of a matrix completion approach.
Yingna Fei +4 more
doaj +1 more source
Accurate DOA Estimation With Adjacent Angle Power Difference for Indoor Localization
IEEE Access, 2020 Indoor localization with high accuracy plays a key role in the field of Internet of Things in 5th-Generation (5G) era. With the introduction of Multiple Input Multiple Output (MIMO) technology in 5G, the direction-of-arrival (DOA) method is highly ...
Xin Zhou +3 more
doaj +1 more source
Blind channel equalization using weighted subspace methods [PDF]
, 1999 This paper addresses the problems of blind channel estimation and symbol detection with second order statistics methods from the received data. It can be shown that this problem is similar to direction of arrival (DOA) estimation, where many solutions ...
Cabrera-Bean, Margarita +1 more
core +1 more source
Improved DOA estimation using polarisation diversity : simulations using a wideband propagation model [PDF]
, 2000 This paper investigates the performance of a number of direction-of-arrival (DOA) estimation algorithms in a wideband macrocellular channel using a dual-polarised antenna array.
AlMidfa, K, Nix, AR, Temeh, EK
core +2 more sources