A review on non-RF underground positioning techniques for mining applications

M Zeeshan, M Chavda, KM Ehshan… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Positioning systems are widely used to determine the location of objects or individuals in a
given environment. In underground mines, these systems are used to track the location of …

Effects of air bubbles on underwater optical wireless communication

D Chen, J Wang, S Li, Z Xu - Chinese Optics Letters, 2019 - opg.optica.org
The received signal intensity fluctuation and communication performance of an underwater
optical wireless communication (UOWC) system under the air bubble effects are …

Fuzzy model based bilateral control design of nonlinear tele-operation system using method of state convergence

U Farooq, J Gu, M El-Hawary, MU Asad… - IEEE Access, 2016 - ieeexplore.ieee.org
This paper presents the design of a state convergence (SC)-based bilateral controller for a
nonlinear teleoperation system, which has been approximated by a Takagi-Sugeno (TS) …

Optical wireless communications omnidirectional receivers for vehicular communications

ARF Barroso, J Johnson - AEU-International Journal of Electronics and …, 2017 - Elsevier
Wide aperture omnidirectional free-space optical (FSO) receivers using wavelength shifting
(WLS) fibers that enable the use of small active area high-speed photodetectors in optical …

Tracking system with VLC for underground mine using multi-agent systems

D Fuentealba, I Soto, K Liu… - 2017 First South …, 2017 - ieeexplore.ieee.org
In this paper we present a system description and a classification of agents for locating
people inside underground mines, using Visible Light Communication. We propose a model …

[HTML][HTML] Optimization and Modeling of Optical Emission Spatial Coverage from Underwater Multi-Faceted Optical Base Stations

J Shi, C Ma, X Tian, H Guo, J Ao - Photonics, 2024 - mdpi.com
Compared with point-to-point wireless optical communication systems, multi-faceted Optical
Base Stations (OBSs) offer the advantages of supporting multi-user access and achieving …

Multi-wavelength modelling for vlc indoor channels using montecarlo simulation

AM Ramirez-Aguilera, JM Luna-Rivera… - … Networks and Digital …, 2016 - ieeexplore.ieee.org
In this paper we present a compact and efficient method for the calculation of the channel
response over indoor wireless optical channel for multi-wavelength signals. It is based on …

Progress and challenges of optical wireless mine communication and localization

X Chen, X Zhang, J Ding, J Zheng… - … Frontiers Online 2020 …, 2020 - spiedigitallibrary.org
Mine accidents are frequent, miner safety and machine production was an important thing in
the mine. Real-time communication and positioning one of the necessary things in mine, but …

An omnidirectional receiving system used in underwater wireless optical communication

G Jiang, P Gong, Y Li - International Conference on …, 2024 - spiedigitallibrary.org
The omnidirectional receiving system is suitable for underwater wireless optical
communications (UWOCs), and it has less dependence on the structure of the underwater …

[PDF][PDF] Effects of air bubbles on underwater optical wireless communication

J Wang - researchgate.net
The received signal intensity fluctuation and communication performance of an underwater
optical wireless communication (UOWC) system under the air bubble effects are …