Combined sensor selection and node location optimization for reducing the localization uncertainties in wireless sensor networks

R Álvarez, J Díez-González, P Verde, R Ferrero-Guillén… - Ad Hoc Networks, 2023 - Elsevier
Abstract Local Positioning Systems (LPS) address the limitations of Global Navigation
Satellite Systems in harsh environments. LPS must attain the optimal location of their …

Characterization of AGV localization system in industrial scenarios using UWB technology

P Verde, J Díez-González, R Álvarez… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Automatic guided vehicles (AGVs) are indispensable elements for the advancement of
Industry 4.0 and the digital transformation of factories. These industrial vehicles use …

Genetic algorithm approach to the 3D node localization in TDOA systems

J Díez-González, R Álvarez, D González-Bárcena… - Sensors, 2019 - mdpi.com
Positioning asynchronous architectures based on time measurements are reaching growing
importance in Local Positioning Systems (LPS). These architectures have special relevance …

OFDRA: Optimal Femtocell Deployment for Accurate Indoor Positioning of RIS-Mounted AVs

A Famili, T Atalay, A Stavrou, H Wang… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
The pursuit of high-accuracy localization without relying on the global positioning system
(GPS) has gained significant interest in recent years. The deployment of autonomous …

Hybrid memetic algorithm for the node location problem in local positioning systems

J Díez-González, P Verde, R Ferrero-Guillén, R Álvarez… - Sensors, 2020 - mdpi.com
Local Positioning Systems (LPS) have shown excellent performance for applications that
demand high accuracy. They rely on ad-hoc node deployments which fit the environment …

Design of a six-degree-of-freedom geometric errors measurement system for a rotary axis of a machine tool

CS Liu, HC Hsu, YX Lin - Optics and Lasers in Engineering, 2020 - Elsevier
This paper proposes a new kind of non-contact optical measurement system, which
combines with a polygon mirror and a conical lens to achieve the purpose of simultaneously …

Memetic chains for improving the local wireless sensor networks localization in urban scenarios

P Verde, J Díez-González, R Ferrero-Guillén… - Sensors, 2021 - mdpi.com
Local Positioning Systems (LPS) have become an active field of research in the last few
years. Their application in harsh environments for high-demanded accuracy applications is …

Analysis of the genetic algorithm operators for the node location problem in local positioning systems

R Ferrero-Guillén, J Díez-González, R Álvarez… - … Conference on Hybrid …, 2020 - Springer
The node location plays a critical role in the LPS performance capabilities. Due to the
complexity of this problem, the implementation of heuristic methodologies such as genetic …

Combined noise and clock CRLB error model for the optimization of node location in time positioning systems

J Díez-Gonzalez, L Sánchez-González, H Perez - IEEE access, 2020 - ieeexplore.ieee.org
The emergence of autonomous vehicles with high needs for accuracy in location has
hardened the requirements of the positioning systems used for navigation. Local Positioning …

Local wireless sensor networks positioning reliability under sensor failure

J Díez-González, R Alvarez, N Prieto-Fernandez… - Sensors, 2020 - mdpi.com
Local Positioning Systems are collecting high research interest over the last few years. Its
accurate application in high-demanded difficult scenarios has revealed its stability and …