Results 31 to 40 of about 3,774 (206)

WiFi 5GHz CSI-Based Single-AP Localization With Centimeter-Level Median Error

open access: yesIEEE Access, 2023
Localization schemes based on one-way Channel Frequency Response (CFR) are limited in terms of the available coherent bandwidth due to random timing and phase offsets.
Shamman Noor Shoudha   +4 more
doaj   +1 more source

Enhanced AoA estimation using localized hybrid dual-polarized arrays [PDF]

open access: yes, 2019
© 2019 IEEE. With balanced system performance, implementation complexity and hardware cost, hybrid antenna array is regarded as an enabling technology for massive multiple-input and multiple-output communication systems in millimeter wave (mmWave ...
Wang, TQ   +7 more
core   +1 more source

Radio Source Localization in Multipath Channels Using EM Lens Assisted Massive Antennas Arrays

open access: yesIEEE Access, 2019
The focusing ability of the lens antennas can significantly contribute to perform precise radio localization with low complexity in a massive antennas array (MAA) system.
Sarmad A. Shaikh, Andrea M. Tonello
doaj   +1 more source

A Novel Hybrid Location Algorithm Based on Chaotic Particle Swarm Optimization for Mobile Position Estimation

open access: yesIEEE Access, 2019
Location estimation is significant in mobile and ubiquitous computing systems. Considering the influence of measurement error caused by time difference of arrival (TDOA)/angle of arrival (AOA) hybrid location algorithm and the nonlinear optimization ...
Yinggao Yue   +5 more
doaj   +1 more source

Angle-of-Arrival Estimation in Formation Flying Satellites: Concept and Demonstration

open access: yesIEEE Access, 2019
One of the challenges of future space missions is the deployment of instruments distributed across multiple satellites that fly in an autonomous formation.
Alexandru Mihai Crisan   +3 more
doaj   +1 more source

Nonuniformly Spaced Array with the Direct Data Domain Method for 2D Angle-of-Arrival Measurement in Electronic Support Measures Application from 6 to 18 GHz

open access: yesInternational Journal of Antennas and Propagation, 2020
This paper introduces a 2D angle-of-arrival (AoA) estimator, which has a 6–18 GHz 7-element nonuniformly spaced array (NSA) and a Direct Data Domain- (D3-) based AoA algorithm for a 2D isotropic-element planar array (IEPA).
Chen Wu, Janaka Elangage
doaj   +1 more source

Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation [PDF]

open access: yes, 2023
Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios.
Chen R., Long W., Moretti M.
core   +3 more sources

Angle of attack prediction using recurrent neural networks in flight conditions with faulty sensors in the case of F-16 fighter jet

open access: yesComplex & Intelligent Systems, 2021
The angle of attack (AOA) is one of the critical parameters in a fixed-wing aircraft because all aerodynamic forces are functions of the AOA. Most methods for estimation of the AOA do not provide information on the method’s performance in the presence of
Bemnet Wondimagegnehu Mersha   +2 more
doaj   +1 more source

A Multiple Mechanism Enhanced Arithmetic Optimization Algorithm for Numerical Problems

open access: yesBiomimetics, 2023
The Arithmetic Optimization Algorithm (AOA) is a meta-heuristic algorithm inspired by mathematical operators, which may stagnate in the face of complex optimization issues. Therefore, the convergence and accuracy are reduced.
Sen Yang   +4 more
doaj   +1 more source

Sensor Selection for Optimal Target localization with 3-D Angle of Arrival Estimation in Underwater Wireless Sensor Networks

open access: yesJournal of Marine Science and Engineering, 2022
This paper investigates a sensor selection scheme for optimal target localization with three-dimensional (3-D) Angle of Arrival (AOA) estimation in Underwater Wireless Sensor Networks (UWSN).
Rongyan Zhou   +3 more
doaj   +1 more source

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