Results 71 to 80 of about 379 (143)

Optical Wireless Communication Channel Measurements and Models [PDF]

open access: yes, 2018
Optical wireless communications (OWCs) refer to wireless communication technologies which utilize optical carriers in infrared (IR), visible light, or ultraviolet (UV) bands of electromagnetic spectrum (EM).
Al-Kinani, Ahmed   +3 more
core   +1 more source

Monte Carlo Radiative Transfer Modeling of Underwater Channel [PDF]

open access: yes, 2019
The radiative transfer equation (RTE) is a theoretical framework that can be used for predicting and interpreting underwater light fields in terms of the constituents of natural water bodies. However, the RTE is a complex integrodifferential equation and
Kraemer, Rafael M.G.   +2 more
core   +1 more source

Seamless Integration of UOWC/MMF/FSO Systems Using Orbital Angular Momentum Beams for Enhanced Data Transmission

open access: yesPhotonics
This work presents a high-speed hybrid communication system integrating Underwater Optical Wireless Communication (UOWC), Multimode Fiber (MMF), and Free-Space Optics (FSO) channels, leveraging Orbital Angular Momentum (OAM) beams for enhanced data ...
Mehtab Singh   +4 more
doaj   +1 more source

An Improved Accurate Solver for the Time-Dependent RTE in Underwater Optical Wireless Communications

open access: yesIEEE Access, 2019
Underwater optical wireless communication (UOWC) has been widely advocated as a viable way to satisfy these high-speed links constraints in the marine medium through the use of the visible spectrum.
Elmehdi Illi   +4 more
doaj   +1 more source

Statistical Channel Impulse Response Modeling for Optical Wireless Communication in Turbid Waters [PDF]

open access: yes, 2019
Underwater optical wireless communication (UOWC) systems support high-speed, reliable and cost-effective implementations that are demanded for extending the telecommunication networks to oceans.
Boluda-Ruiz, Rubén   +4 more
core  

UOWC spatial diversity techniques over hostile maritime environments: an approach under imperfect CSI and per-source power constraints [PDF]

open access: yes
Optical communication in submarine environments has emerged as a novel technology that enables high bandwidth and high data rate links. However, the unique characteristics of the underwater channel impose new challenges, such as mitigating the remarkable
Boluda-Ruiz, Rubén   +6 more
core   +1 more source

Over 700 MHz –3 dB Bandwidth UOWC System Based on Blue HV-LED With T-Bridge Pre-Equalizer

open access: yesIEEE Photonics Journal, 2019
To achieve a good balance among the raw modulation bandwidth, the output optical power, and the dynamic swing range, three small GaN-based blue light-emitting diode (LED) cells are cascade interconnected on chip to form a 9 V HV-LED.
Ziying Zhang   +6 more
doaj   +1 more source

Underwater optical wireless communications in turbulent conditions: from simulation to experimentation [PDF]

open access: yes, 2022
Underwater optical wireless communication (UOWC) is a technology that aims to apply high speed optical wireless communication (OWC) techniques to the underwater channel.
Geldard, Callum T.
core  

Modelling Of Inhomogeneous Vertical Underwater Optical Wireless Communication Links [PDF]

open access: yes, 2023
Underwater optical wireless communication (UOWC) is becoming increasingly widespread, moving beyond its former restriction to military and defense applications to now also being used in commercial fields.
Sabril, Muhammad Safiy
core  

Adaptive Beam Steering and Divergence Control for Underwater Optical Wireless Communication Using Reinforcement Learning

open access: yesIEEE Photonics Journal
Underwater optical wireless communication (UOWC) is a promising technology enabling high-speed, low-latency communication for beyond 5G/6G systems. However, UOWC faces significant challenges due to the complex nature of the underwater channel, including ...
Takumi Ishida   +2 more
doaj   +1 more source

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