A survey on acoustic positioning systems for location-based services

J Aparicio, FJ Álvarez, A Hernandez… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Positioning systems have become increasingly popular in the last decade for location-based
services, such as navigation, and asset tracking and management. As opposed to outdoor …

Map-assisted seamless localization using crowdsourced trajectories data and bi-lstm based quality control criteria

Y Yu, W Shi, R Chen, L Chen, S Bao… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Seamless localization service is regarded as an essential requirement towards smart city
based applications. The performance of seamless localization is restricted by the limited …

Micrometeoroid and orbital debris impact detection and location based on FBG sensor network using combined artificial neural network and Mahalanobis distance …

J **, Y Zhu, Y Zhang, D Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Micrometeoroid and orbital debris (MMOD) can cause serious impact damage to long-term
on-orbit spacecraft. MMOD impact detection and location are essential to improve the safety …

Simulation tool and online demonstrator for CDMA-based ultrasonic indoor localization systems

MC Pérez-Rubio, Á Hernández, D Gualda-Gómez… - Sensors, 2022 - mdpi.com
This work presents the CODEUS platform, which includes a simulation tool together with an
online experimental demonstrator to offer analysis and testing flexibility for researchers and …

Robust airborne ultrasonic positioning of moving targets in weak signal coverage areas

J Aparicio, T Aguilera, FJ Alvarez - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Current ultrasonic Local Positioning Systems (LPS) based on an infrastructure of beacons
can provide centimeter-level accuracy employing the spread spectrum technique, which …

High precision hybrid RF and ultrasonic chirp-based ranging for low-power IoT nodes

B Cox, L Van der Perre, S Wielandt, G Ottoy… - EURASIP Journal on …, 2020 - Springer
Hybrid acoustic-RF systems offer excellent ranging accuracy, yet they typically come at a
power consumption that is too high to meet the energy constraints of mobile IoT nodes. We …

Dynamic adjustment of weighted gcc-phat for position estimation in an ultrasonic local positioning system

JM Villadangos, J Ureña, JJ García-Domínguez… - Sensors, 2021 - mdpi.com
Ultrasonic local positioning systems (ULPS) have been brought to the attention of
researchers as one of the possibilities that can be used for indoor localization. Acoustic …

Comparison of objectives in multiobjective optimization of ultrasonic positioning anchor placement

S Haigh, J Kulon, A Partlow… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The position of anchors in an ultrasonic positioning system has a significant impact on the
performance of that system. This impact on performance can be in the form of positioning …

Improving the tracking accuracy of TDMA-based acoustic indoor positioning systems using a novel error correction method

S Cao, X Chen, X Zhang, X Chen - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
To improve the tracking accuracy of moving target by the acoustic indoor positioning system
(AIPS) using time division multiplexing access (TDMA) technology, a novel TDMA correction …

Tracking registration of optical see-through augmented reality based on the Riemannian manifold constraint

Z An, Y Liu - Optics Express, 2022 - opg.optica.org
Two three-dimensional tracking registration methods combined with Riemannian manifold
object constraints are proposed to solve problems of low accuracy and instability of three …