Results 31 to 40 of about 549 (116)

An Empirical Comparison of Modulation Schemes in Turbulent Underwater Optical Wireless Communications [PDF]

, 2021
This paper presents an empirical comparison of different modulation schemes in still and turbulent water conditions. Using an underwater channel emulator, it is shown that pulse position modulation (PPM) and subcarrier intensity modulation (SIM) have an ...
Geldard, Callum, Guler, Egecan, Hamilton, Alexander, Popoola, Wasiu O.   +3 more
core   +2 more sources

Experimental Demonstration of High-Sensitivity Underwater Optical Wireless Communication Based on Photocounting Receiver

Photonics, 2021
In this paper, we propose a high-sensitivity long-reach underwater optical wireless communication (UOWC) system with an Mbps-scale data rate. Using a commercial blue light-emitting diode (LED) source, a photon counting receiver, and return-to-zero on–off
Chao Li, Zichen Liu, Daomin Chen, Xiong Deng, Fulong Yan, Siqi Li, Zhijia Hu   +6 more
doaj   +1 more source

Underwater Wireless Laser-Based Communications Using Optical Phased Array Antennas [PDF]

, 2023
An underwater optical wireless communication system concept based on optical phased array antennas is presented. With this optical phased array, a laser beam can be electronically steered to adjust not only the azimuth and elevation angles, but also the ...
Derakhshandeh, Ali, Hoeher, Peter A., Pachnicke, Stephan   +2 more
core   +1 more source

Experimental Investigation of Underwater Optical Wireless Communication for Correlated SIMO Channel Under Temperature-Induced Turbulence

IEEE Photonics Journal, 2023
Turbulence is an intractable issue for underwater optical wireless communication (UOWC). In this paper, the effects of temperature-induced turbulence on the UOWC system with correlated single-input multiple-output (SIMO) channel are comprehensively ...
Weijie Liu, Wenli Jiang, Nuo Huang, Zhengyuan Xu   +3 more
doaj   +1 more source

Visible Light Communication (VLC) [PDF]

, 2022
Visible light communication (VLC) using light-emitting diodes (LEDs) or laser diodes (LDs) has been envisioned as one of the key enabling technologies for 6G and Internet of Things (IoT) systems, owing to its appealing advantages, including abundant and ...

core   +1 more source

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

IEEE 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, Faissal El Bouanani, Ki-Hong Park, Fouad Ayoub, Mohamed-Slim Alouini   +4 more
doaj   +1 more source

Dual-Hop Underwater Optical Wireless Communication System With Simultaneous Lightwave Information and Power Transfer

IEEE Photonics Journal, 2021
The most significant challenge of underwater optical wireless communication (UOWC) system is to overcome its limited coverage. To expand the achievable communication range, we investigate the performance of the dual-hop UOWC system with simultaneous ...
Kuan Ye, Cong Zou, Fang Yang
doaj   +1 more source

Empowering the Future of Hybrid MIMO-RF UOWC: Advanced Statistical Framework for Channel Modeling and Optimization for the Post-5G Era and Beyond

IEEE Access, 2023
This research work examines the reliability of a wireless communication system that uses a hybrid radio frequency (RF) and underwater optical wireless communication (UOWC) in a dual-hop system.
Latif Jan, Ghassan Husnain, Waleed Tariq Sethi, Ihtisham Ul Haq, Yazeed Yasin Ghadi, Hend Khalid Alkahtani   +5 more
doaj   +1 more source

Design, Channel Modeling and Simulation of LED-Based Short-Range Underwater Optical Communication Systems [PDF]

, 2023
The number and complexity of subsea applications is constantly increasing, as are the demands on data traffic. Fast underwater optical wireless communication (UOWC) represents a solution for shorter distances.
Sticklus, Jan
core  

Heterogeneous radio frequency/underwater optical wireless communication relaying systems with MIMO scheme

Digital Communications and Networks
This paper studies a cooperative relay transmission system within the framework of Multiple-Input Multiple-Output Radio Frequency/Underwater Optical Wireless Communication (MIMO-RF/UOWC), aiming to establish sea-based heterogeneous networks.
Sai Li, Liang Yang, Yusheng Sun, Qianfen Jiao   +3 more
doaj   +1 more source